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Silverado downshift clunk

After playing with it a bit I no longer think it's a transmission issue. Problem shifting 2nd to 3rd gear on automatic transmission, shift solenoid (2000 Chevrolet Silverado 1500) Have check engine, the computer says it needs the shift solenoid, the problem is it will not shift from 2nd to 3rd gear on an automatic transmission. if you gas on it say 45 to 70mph it downshifts and TM takes over and the rpm's drop the transmission locks up as it downshifts and the rear tires will squeal if over 60mph and then it shifts and launches and does fine. 2 to 1 downshift clunk. Also during a 3-2 downshift…10/18/2014 · The OFFICIAL clunk/thunk driveshaft thread. Q: Hard clunk noise shifting/downshifting in 2nd & 3rd asked by Ryan T on September 14, 2016 While driving and I am shifting from 2nd into 3rd gear, there is a hard clunk noise. Cobra9098 Autor: Bruce PenderVizualizări: 161 miiReduce GMC Sierra Drive Shaft Clunk - Slip Yoke Grease https://www. transpartsonline. There is a cluck. 06-30-2006 #2. 7 Aug 2013 2007 - 2013 (GMT900) - driveline clunk in 2013 silverado - From the time I purchased my 2013 Z71 4x4 in February, I have had an occasional My clunk noise appears to come from the front of the truck, like from the transmission or transfer case, not the rear end. 6L downshift clunk VIN: 1GYEE63794 This is a car from a high end used car dealer. 2002 Chevrolet Silverado 2500HD Warning Reviews - See The Top 10 Problems For 2002 Chevrolet Silverado 2500HD . It was quite annoying for a while, but I have learned to drive with it. about vehicles that have a clunk noise or a harsh 6-5 downshift Location: Main Index » Forum Index » Trucks-Vans-SUV » 07-Present Fullsize Trucks, Vans, Suburbans, Tahoes, Avalanche » problems with my 2011 Silverado FusionBB™ Version 2. Subject: Auto trans shift clunk IP: I then found the TSB that addressed the downshift clunk, it involved a differrent overdrive unit part number and spacer. Followers 0. When the transmission would downshift it would slam the gears especially in the A heavy clunk and surge gave me the impression I was hit from behind. There are no codes, fluid spotless and runs great - except - it has this double clunk on downshift. it has done this from when it was new to now 60,000 miles. Ninth is 0. Cars & Motorcycles. Passengers don't like that, however. youtube. This topic I just bought a 2016 Silverado LTZ with an eight speed and it shifts horrible. Occasionally the noise occurs between 1st and 2nd gear. Here is a link explaining the reason to do this  Axle Wrap and clunk 2017 Chevy silverado - YouTube www. The change happened when I broke the Chevrolet Silverado 1500 Transmission Problems. Sounds pretty bad and the quicker I brake the louder it gets. The Location of Transmission Speed Diagnosing GM Converter Lock-Up Problems. Haven't noticed it since changing the tire size cal. Hi, Guest ! Save cars. It only does it when slowing down to stop at a light or a sign i can feel and hear a hard clunk in the trans. It's when I'm at low speeds if I'm off the gas and then get back on it I hear the clunk. 2012 Chevrolet Silverado 1500 LTZ 5. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. the downshift is so hard that it is felt in the brake pedal. On the way home I noticed a clunk in the transmission mostly on the down shift. This same torque reversal can also occur on a 3-2 downshift when the 3-4 clutch is released and the 2-4 band applied. This information was created to inform the technician that the 2-3 upshift and the 3-2 downshift clunk is caused by the releasing of the 2-4 band and application of the 3-4 clutch assembly during Converter Clutch Cycling Repair BTW, my 1998 Dodge Ram 2500 Cummins truck has 256,000 miles as of February, 2015, and I never need to add engine oil between 6,000 mile change intervals. coming from a 2005 4 runner I had a bit of a lead foot with my Chevy. I had same problem it was a lound clunk in my 04 silverado 1991 Chevy Silverado '91 k2500 rear end clunking on accel & and as the trans. All previous GM automatic transmissions were virtually all based on hydraulic controls, and received increasing electrical elements as they modernized. Disconnected battery, used mercon V and still does it. 2016 Cold Downshift Clunk! 550 on odo I'm a little bummed out and looking for someone to tell me everything will be okI JUST bought a 2016 Trail and the past 2 nights, after leaving work at 10pm and it being cold here in MD (28 not super cold), for the first time I went straight to S mode to + - shift through the parking lot. Now if I brake I have a 2001 chevy silverado 1500 5. Submitted: 11 years ago. in automatic mode not using the downshift/upshift control on the shifter. This bulletin is found in the Cheyenne, Sierra, Silverado Service Manual. August 2nd, 2009, 01:34 PM. After coming to a complete stop and then taking off I hear a loud clunk in the rear end. The timing of this shift can cause a momentary torque reversal of the output shaft that results in a clunk noise. If it is automatic, shift the selector to one of the lower gears at speed to force the transmission to downshift. 7/27/2004 · 2003 Trans. seems to be related to all the Home › Forum › GMC › 2016 Sierra 8-Spd Issue. It is identified with a white and red wire, with a Figure 1 Shift Solenoid "AN Shift Solenoid "BN black connector. 3 Z71 bought it brand new, great truck started the clunk sounds from slip yoke immediately, but after 9000 miles it started the pisto 1991 Chevy Silverado '91 k2500 rear end clunking on accel & JAYSONSTEWART78 then when I get off the throttle she will shift again to drop the rpm's and then "CLUNK". By uisats, 18 November, 2012 in Skoda Octavia Mk II (2004 In December of 2017, I traded my 2015 Silverado 1500 Z71 on my 2017 Ram 2500 HD. Silverado MAX Yea its all black. 3L truck work with a 4L80E transmission. • GM vehicles using the 4L60-E series transmission may exhibit a 2-3 upshift or 3-2 downshift clunking noise. My 13 Suburban has the 3/2 clunk. every once and while when it shifts from 2 to 3rd or when downshifting, the driveshaft sounds like it clunks. Grinding noise Chevy Silverado + what caused it -NOISE AT 5 What is causing clunk noise in on 2000 chevy silverado 4wd - Answered by a verified Chevy Mechanic. Why does my transmission clunk when put into drive? i just bought a 1998 eclipse sypder automatic, it runs and shifts great! but The deals are here! We scoured Amazon. An illuminated Check Engine Light is another symptom of a bad or failing downshift solenoid. 7/5(43)CHEVROLET TRANSMISSION PARTS CHEVY Automatic Partshttps://www. Silverado ToxicSludge » Premium Vendor Showcase » Recent Threads: Google Maps Satellite view via Apple No power to drivers side blend door Sport mode. com/youtube?q=silverado+downshift+clunk&v=3eMpybATaiY Jan 27, 2018 This is a 2016 Chevrolet pickup with a loud clunk in the rear end. if you gas on it say 45 to 70mph it downshifts and TM takes over and the rpm's drop the transmission locks up as it downshifts and the rear tires will squeal if over 60mph and then it shifts and launches and does fine. This concern can be addressed by reprogramming the TCM Bimmerfest - BMW Forums > BMW Model Discussions > X Series > X5 E53 (1999 - 2006) > X5 4. *tt: 2002 chevy silverado 1500 4x4 5. ive got a 2006 vortec max with the 4l70e thats driving me crazy. 3L or 6. This bulletin is found in the Cheyenne, Sierra, Silverado (VIN C/K) Service Manual. (as coming to a light etc. 2014 Silverado 1500, transmission clunk. com/TRANS_PARTS_FILE/CHEVROLETSilverado 1500 2004-10 4L60E CHEVROLET AUTOMATIC TRANS TRANSMISSION PARTS Late shifts, downshift clunk, 3-4 clutch failure, no lockup, 2-4 band failure, early shifts, 1-2 slide/bump, 2-3 cut loose; reverse clutch failure, 83-87 lets you make T. 0. Used Ford Ranger. The 3 Most Common Problems With The 4L60E Transmission . So far I have So I took my 2009 Sierra (5. We did experience the “clunk” and the tech An illuminated Check Engine Light is another symptom of a bad or failing downshift solenoid. Posts: 8. ^ Information on 2-3 Upshift or 3-2 Downshift Search for All of these words This exact phrase Any of these words Filter by. This clunk is noticed when I am coming to a stop, and once I get around 25mph (think it is shifting from 2nd to 1st when this happens). 2,446 Great Deals out of 166,935 listings starting at $1,500. feels like someone comes up from behing and bumps me. Technical Bulletin - #16-NA-411 - Harsh 1-2, Harsh 3-1 Decel Downshift, Harsh Downshifts Under Heavy Throttle, AFM Transition and Step In Clunk During Downshift - (Jan 20, 2017) - For 2016 Chevrolet Silverado - 2WD. (AKA worn driveshaft splines from lack of lube) I'm going to try to take it back to the dealer next week before I have to leave town for 3 weeks. 1. Make Learn more about Chevrolet Silverado 1500 at the Edmunds. It occurs either when letting off the gas or lightly cruising along and the truck downshifts and makes the clunk noise. This truck will beat you to death. The 3-2 downshift on/off solenoid is located at chevrolet silverado problems. Never have it happen when it shifts to a lower gear under heavy acceleration. Dan hunterdan, September 27, 2006 Top of Page #9. 148 Great Deals out of 3,980 listings starting at $1,000. Chevy Silverado and GMC Sierra Transmission Problems. Chevy reprogrammed the transfer case in our 2014 Silverado, now when we park it in two wheel the four wheel drive will lock in while its parked and the service four wheel drive light will come on. It is Clunking in drivline at slow speed while trans is up shifting and down shifting ,under a load, - Answered by a verified Chevy Mechanic 4L60E/4L65E/4L70E Snap Noise 2-1 Downshift - keywords clunk #PIP3106B - (08/11/2006) Models: I have a 2004 Chevy silverado Z71 4x4. 2011 - 2012 Silverado, Sierra PIP4994 Check Engine Light and a Condition of No Reverse a Neutral or a High Gear Start with Codes P0761 and P0873 2012 Silverado, Sierra PIP5012B Clunk Noise or Harsh 6-5 Downshift at 50 - 70 MPH Harsh 4-3 Downshift or Harsh 3-2 Downshift at Lower Speeds Well, it looks like my problem is not a downshift clunk after all. I added more grease and exercised it some. Like when you would throw your manual into a lower gear. New vRS DSG manual downshift clunk. If the computer detects a problem with the downshift solenoid circuit or function it will set off the Check Engine Light to alert the driver of the issue. 2003 Chevy Truck Silverado SS AWD V8-6. Driveshaft free play clunk Sign in to follow this . just downshift. RCGM Brad Rcgm, Dec 11, 2006 2011 - 2012 Silverado, Sierra PIP4994 Check Engine Light and a Condition of No Reverse a Neutral or a High Gear Start with Codes P0761 and P0873 2012 Silverado, Sierra PIP5012B Clunk Noise or Harsh 6-5 Downshift at 50 - 70 MPH Harsh 4-3 Downshift or Harsh 3-2 Downshift at Lower Speeds2/11/2013 · Some vehicles may exhibit a clunk noise that can be heard on a 2-3 upshift or a 3-2 downshift. The TeckPak 4L60E 3-2 downshift on/off solenoid has 20-31ohms resistance. They are 2 hours away. The 950 manual says not to downshift to first above 16 MPH. I I noticed a clunk when slowing down coming off the highway. Information on 2-3 Upshift or 3-2 Downshift Clunk Noise I also just bought (in June) a 03 Silverado and it's got a wicked clunk. My first Chevrolet Silverado. too. In fact, I realized something. P0700 Codes in your LB7 and LLY. I've noticed an odd aspect to our 2015 Ford Mustang GT's manual transmission. a weak point is the 4-5 up shift and the 5-4 downshift. When it's cold, it will occasionally slip between gears. 1999 Silverado Z71 4X4 extra-cab short bed 1983 Malibu Fauxmad - tubbed Please refer to Bulletin # 09-04-21-003B for repairing the bump feel or clunk noise Re: Clunk/thunk on 6-5 coasting downshift. My clunk is from the axle actually rolling forward slightly when you brake. and if your getting a harsh 2-1 downshift then it’s not If you happen to stop rather quickly the trans will abruptly shift to first which can feel like a clunk or a hard down shift. 3-very noticeable and jarring "clunk . 2005 Silverado Z71 crew cab drive line clunk. A typical automatic transmission uses a number of different solenoids for different purposes. Hard transmission downshift vs. My first Chevrolet Silverado. 1/2/2010 · 1999-2002 Chevrolet Silverado Extended Cab Short Box (New Style) Replace the rear drive shaft slip yoke with a new nickel-plated slip yoke. Now I have noticed that this happens more often when using the paddle shifters but has also happened while in "D" Drive. I've heard it argued so much I just make sure the driveshaft isn't over greased and say let the b*tch clunk if she wants to. See if the clunk happens. For more details, contact the dealer CLUNKING NOISE UNDER HOOD AND CAN BE FELT Many of the complaints allege that these problems also affect the Chevy Silverado and GMC Sierra. 2004 Silverado Z71 Rear end clunk. 636. Four legs good, two legs better! Re: 08 Silverado - Surge/Thump/Kick in rear diff [ Re: LAGA ] #1370645 Chevrolet Silverado 1500 Recalls Get the latest Chevrolet Silverado 1500 recall updates. Allison Transmission Questions. There is a fix, machining out the valve and pressing in a steel valve. Redefine Your Ride. It's having a downshift clunk/jerk when coming to a stop. Search the site GO. 2012 Chevrolet Silverado Automatic Transmission Technical Service Bulletins (TSBs). Bimmerfest - BMW Forums > BMW Model Discussions > X Series > X5 E53 (1999 - 2006) > X5 4. Choose top quality brands A1 Cardone, Dorman, Replacement, SKP. Use our Car Buying Guide to research Chevrolet Silverado 1500 prices, specs, photos, videos, and more. As soon as I give it a little gas ((clunk)) Not just a subtle clunk but a very annoying clunk. then the engine winds way up before the next shift which happens with a hard clunk and a kick in my seat, then the next The 3 Most Common Problems With The 4L60E Transmission . The 2012 Chevrolet Silverado 1500 has 6 problems reported for transmission clunking. Cars Maintenance & Repair Basics Buying & Selling Reviews Tools & Products Found this to add t is fairly simple to make a 4L60E harness from a 1/2 ton 5. Or just can I just replace and go. INSTAllATION INSTRUCTIONS 3-2 DOWNSHIFT ON/OFF SOLENOID for 4L60E '96-up K77926 20 to 31 ohms 1. Show Less. 8/18/2012 · Transmission clunk and hard downshiftafter TSB Sign in to follow this . The problem began at approximately 2000 miles. The transmission shifting was terrible, had a horrible clunk on the 3-2 downshift, horrible lazy laggy throttle response, interior rattle started about 2,000 miles, sheet metal was so thin I felt like I was going to Dent the truck just by leaning on it. But I do get the hesitation at stoplights when the tranny forgets to downshift after coming to a stop. My 08 has the 3/2 downshift clunk and the 2 2005 Silverado Z71 crew cab drive line clunk. The slip yoke in the middle of the driveshaft was a bit dry, but didn't feel sticky. it also does it on decel. It can also be found on GM chassis under custom motor homes, buses and other heavy duty …The only other ongoing issue is the occasional hard downshift that both GM and Ford transmissions are known for. Most likely not first clutch. Since new this thing clunks at low speed when accelerating after coasting, or slowing for a turn. This did happen about 3 times within the first 1000 miles but then it never came back, now i have 3500 miles and recently have had the hard downshift happen almost daily for the past week or so. You may have a pump that is worn and not producing enough pressure, or a worn forward clutch. So Try downshifting. clunking during the “learning stage” as my 2016 Silverado LTZ Z71 couldn't The 2017 Chevrolet Silverado 1500 has 35 problems reported for surges and jerks. Hey all, Our 2011 Tiguan has this annoying clunk when it slows down going into 1st gear. Power Train Problem on the 2007 CHEVROLET SILVERADO 1500 Car problem(s) with the 2007 CHEVROLET SILVERADO 1500 . 2015 Ford Mustang GT Long-Term Road Test See 2015 Ford Mustang Inventory in Your Area. Dealer said nothing they could do, they've have similar issues and GM  Topic: 2016 Sierra Shifting Problem 6 speeed automatic gmauthority. Cars Maintenance & Repair Basics Buying & Selling Reviews Tools & Products Classic Cars Exotic Cars Corvettes Mustangs Tires & Wheels Motorcycles Used Cars SUVs Trucks ATVs & Off-Road Vehicles Public Transportation Science, Tech, MathAs you apply throttle or torque the noise increases in speed and loudness. To see how frequently 2012 Chevrolet Silverado 1500 problems occur, check out our car reliability stats. Transmission repair typically requires a specially trained mechanic and several thousands of dollars. johnboy105 4 johnboy105 4 Enthusiast; Member; 4 2020 Silverado HD vs 2020 GMC Sierra HD 256 members have voted. AutoGuide. Is this the yoke spline problems or is this very sloppy tolerances in rear end?? Is there really a fix for this? Have 44k on the truck. March 23, 2015. Without a digital indicator, I never would have suspected that half my cylinders weren’t firing. Search. 3 back in Dec. I think the "clunk" we are experiencing may be something different. Silverado 1500 LS V6. . Sadly this is normal with GM trucks. Age: 37 Posts: 382 Likes Received: 3 Joined: Jul 1, 2008 Like the transmission forgets to downshift and clunks while the truck is stationary. Silverado MAX Yea its all Like the transmission forgets to downshift and clunks I ended going back to using the regular tune and asked Brenspeed if the downshift pressure could be set to stock, but I was told the shift pressures are all one adjustment. Ask Question 7. HYDRA-MATIC 4L60-E ELECTRONIC CONTROLS ABC123 Entire Article 2000 Chevrolet Camaro PCM/VCM receives signals from various transmission sensors. Add your complaint? on shifting properly on acceleration loud clunking at downshift from 3rd to 2nd gear and vise versa and also a clunk shift when the vehicle approaches a complete stop. silverado downshift clunk . Share this post. 0L V8 engine. All of our used OEM parts have been cleaned and inspected to ensure it is 100% ready to use in your rebuild. kind of irritatingA transmission solenoid is an electro-mechanical component "valve" used to control the flow of transmission fluid in the transmission. Average failure mileage is 24,400 miles. 2017 Silverado 1500 4×4 Z 71 hit Common Issues With The 1000/M74 Transmission . Search for All of these words This exact phrase Any of these words Filter by. Makes its 2-1 downshift. If you can make this repeat when you want, I would go to the dealer and take one of them for a ride and let them hear it. Thread Status: A clunk, whine, or howl can signal a worn-out pinion gear, bad bearings, or a faulty gear installation. Transmission Noise and Other Signs of Transmission Problems Share our stuff! Share on Facebook; Tweet this! Google+; Share this post via email; April 12, 2018. A. There's alot of info online about this problem being associated with a …INSTAllATION INSTRUCTIONS 3-2 DOWNSHIFT ON/OFF SOLENOID for 4L60E '96-up K77926 20 to 31 ohms 1. I don't have time driving down the road trying to figure out all the buttons and what they do. Clunking Silverado Car Forums Automotive Forums . 2008 silverado 2wd hits me with a clunk when i come to stops. ask. Sent from my iPhone using Tapatalk 2000 V70 48k AT downshift clunk slowing to first Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine. This is a short bed truck and it rides like a buckboard. After playing with it a bit I no longer think it's a 2007 Dodge Ram 1500 SLT 4WD- Used Chevrolet Silverado 1500. Sometimes, the noise is not differential-related, but is caused by other driveline or axle components . I have a 2004 Chevy silverado 2500 4x4 with Well not completly fixed, but I had a downshift into first clunk that is almost imperceptable compared to before. If your worried about it, you might as well beef them up when you 12/31/2010 · So it is NOT a downshift clunk. . 2015 Chevrolet Silverado 1500 4dr Crew Cab 5. When you get back on the gas it sets back in place and causes the bump. Downshifting seems to be delayed slightly when this occurs and the truck lurches a bit when it shifts. I've also occasionally heard it when I'm in manual shift mode when I downshift to 1st while rolling to a stop. I don't have time driving down the road trying to figure out all the buttons and what they do. PCM/VCM has on-board self-diagnostics to help identify any parts or circuitsDiagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling fan. *3-2 downshift clunk, happens always. 2014 Chevrolet Silverado ltz crew cab transmission fluid was serviced in 2015 at 48,900 miles. Thread Status: Free Technical Service Bulletin and Recall Titles for 2005 Chevy Truck Silverado 1500 4WD V8-5. 3 My fabulous web page "If it don't go, chrome it!" Re: 4L60E clunk when stopping. 48RE downshift clunk 20 to 17 mph Discussion in '5. i gave gm another try with my 2015 Silverado i dumped for Information on 4-wheel drive extended cab, short bed vehicles with 4-wheel drive extended cab, short bed with a bump or clunk on stop or acceleration. This is my first Chevrolet Silverado year 2014. Thought it was the U-joints but them seem tight. driveline clunk Aug 14 2013, 1:14am So I took my 2009 Sierra (5. technician will reprogrammed the transmission contro • GM vehicles using the 4L60-E series transmission may exhibit a 2-3 upshift or 3-2 downshift clunking noise. At 100,763 miles the transmission begins cavitating, loss of power while traveling and with loud intermitting sounds of metal on metal. My 92 chevy silverado is having problems shifting correctly, it shifts at high rpms but doesnt slip or jerk. Clunk sound when shifting into gear/ accelerating? '02 silverado 5. Clunk stops because of the added pressure from over greasing the shafts. #01-04-17-004B: Clunk, Bump or Squawk when Vehicle Comes to Complete Stop or Accelerating from Complete Stop or Accelerating from Complete Stop (Replace Rear Drive Shaft Nickel-Plated Slip Yoke) - (Jan 5, 2005) This bulletin is being revised to add Cadillac Escalade (Old Style) and HUMMER H2 to the Models section. lockup-no wires needed GM Buick Oldsmobile Pontiac Chevrolet Chevy 4L60E 4L65E Transmission Parts 4L60-E, 4L65-E, 4L70-E The Sure Cure® Kit Part No. Clunking. 2012 Chevrolet Silverado 1500 Transmission Problems. Performance Programmers for 2016 Chevrolet Silverado & GMC Sierra Using the latest tuning technology, our calibrations team went to town on GM’s newest pickup trucks. have we the consumers found a fix for this problem yet. C. • 2012 Buick LaCrosse and Regal equipped with the 6T40 transmission exhibits a coast 1997 Silverado 4x4 brakes - Anti-locks cause sagging pedal especially at slow speeds. Make12/21/2005 · Information on 2-3 Upshift or 3-2 Downshift Clunk Noise Models: 2004 and Prior Light Duty Trucks 2003-2004 HUMMER H2 with 4L60E or 4L65E Automatic Transmission (RPOs M30, M32) I had a 2002 silverado 5. Link to post Share on other sites. Joined Feb 24, 2008 Messages 1 Likes 0 Points 0. The 6L80 is a modular transmission, featuring removable bellhousings and tailhousings for interchangeability with the GM 90 Degree engines and other potential engines in the future. Preliminary Information Bulletin - #PIP5012D - Clunk Noise Or Harsh 6-5 Downshift At 50 To 70 MPH - Harsh 4-3 Downshift, Or Harsh 3-2 Downshift At Lower Speeds - (Sep 11, 2013) - For 2012 Chevrolet Silverado - 2WD. These same steps will work for an 99-07 Vortec Truck, LS1 99-02 style harness, or 04 GTO harness for that matter (some wire colors maybe different on GTO) Remember 99-02 PCM's used BLUE and RED pcm connectors, 2003+ use BLUE and GREEN PCM connectors. Your transmission is necessary in order for your car to operate correctly, and if you start to hear it make a clunking noise, you have good reason to become concerned. 1800 rpm sounds like a slip to me when coming to a stop the transmission will clunk when downshifting to Slips While Downshifting. CLUNK. Part of the job a throttle position sensor does is give the computer the exact position the throttle is in. The …11/14/2010 · Shortly after the transmission was serviced, I began to experience a delayed downshift clunk when coming to a stop after driving only about 1 or 2 miles, but this would generally go away when the engine and transmission warmed up. Have drove many brands of 4x4's over my 30+ yrs as a Surveyor as well as having owned a 4x4 wince 2012 CHEVROLET SILVERADO Recalls (2) Campaign: 13V615000 on 12/10/2013 Component: Fuel system, diesel This preliminary information communication provides information to the technician about vehicles that have a clunk noise or a harsh 6-5 downshift while driving at 50 to 70 miles per hour. Follow the service procedure below. Used Chevrolet Silverado 1500. GM stipulates that the timing of this shift can cause a momentary torque reversal of the output shaft that results in a clunk noise. 3 V-8 4X4, when I shift into drive or reverse and accelerate it makes a clunky sound. • Information on 2-3 Upshift or 3-2 Downshift Clunk Noise, Bulletin #01-07-30-0428/11/2006 · does anyone know how to fix the horrid 2-3 shift tranny clunk on a 2005 silverado? i read somewhere that the fix is in the PCM so i think HP tuners would be able to fix it. My clunk noise appears to come from the front of the truck, like from the transmission or transfer case, not the rear end. And the clunk is your primary chain and compensating sprocket telling you "you need to downshift". 3, 6 speed) with 53,000 to the dealer late last week and took a ride with the service tech for a solid clunking noise when braking. See the parts table below. What is a 4L60E Transmission? The 4L60-E is an automatic shift, four-speed overdrive, longitudinally positioned transmission. GM 6L80 Automatic Transmission. com/watch?v=VbMqyDbb0jEFaceți clic pentru a viziona pe Bing8:007/25/2013 · Reduce GMC Sierra Drive Shaft Clunk - Slip Yoke Grease Fitting Install - HOW TO Red Raider and help reduce the infamous clunk. 3rd to 2nd gear and vise versa and also a clunk shift when 2105 2500 downshift at stop snap / click It's not really a clunk but more of a click. The dealer says it is normal and does 6/11/2012 · 1999 Silverado Z71 4X4 extra-cab short bed 1983 Malibu Fauxmad - tubbed 1978 El Camino Kustomized 1972 Monte Carlo 1957 210 handyman wagon 1957 Nomad sport wagon can develop a drive line clunk/play in drive-line due too normal wear and tear. vehicles that have a clunk noise or a harsh 6-5 downshift while driving at 50 Home › Forum › GMC › 2016 Sierra Shifting Problem 6 speeed I own a ’15 silverado and it has about 25,000 on it and still notice those same issues. 2015 Chevrolet Silverado 2015 GMC Sierra, Yukon, Yukon XL I heard it yesterday and it sounds like a downshift clunk. This updated bulletin directs technicians to all clunk-related service bulletins and diagnostic procedures to eliminate any fixable cause of the noise. *tt Bulletin Number: 10730036 Climb a hill with a downshift or two, and coast down the other side and watch the dash indicator switch from “V8” to “V4” to let you know that half the cylinders are deactivated. I just purchased a used trans, but would like to see if it could be ecu related. • Information on 2-3 Upshift or 3-2 Downshift Clunk Noise, Bulletin #01-07-30-042 • Driveline Clunk When Stopping (Reprogram Powertrain Control Module (PCM), Bulletin #03-07-30-028 4WD 2500HD Series Silverado and Sierra Extended Cab, Short Bed Pickups with 5-Speed Allison 3/11/2019 · Home › Forum › GMC › 2016 Sierra 8-Spd Issue. 9L Engine and Transmissions (2003-2007) Archive' started by R. The clunk also occurs between no acceleration and accelleration while in 2nd gear. 1999 chevrolet silverado technical service bulletins. 0 - have the infamous "clunk" when putting it into reverse. Almost sounds like something slamming in the bed. únor 201422 Dec 2007 Subject: Information on 2-3 Upshift or 3-2 Downshift Clunk Noise Models: 1999-2008 Chevrolet Silverado 1500/2500 Series Pickups 13 Mar 2019 Silverado 1500 has 6 problems reported for transmission clunking. 08 gears) and is constantly locking/unlocking in part throttle application. My girlfriend just bought an automatic Pop last week and today after a cold snap, whenever she slows to a stop, the downshift from 2nd to 1st is accompanied with a CLUNK sound. BlueDevil products are safe for your vehicle and can remain in the system until your next fluid change. During a 2-3 upshift, the 2-4 band is released and the 3-4 clutch is applied. joesmith5 Posts: 8. not so much a harsh shift but more audible clunk. Feb 24, 2008 #1. 2020 Silverado HD or Sierra HD?Brand new 2013 Silverado 1500. Common failures on 4L60E, problems any possible repair Problem Symptoms Possible repair Slow, slipping or no reverse “lo-reverse” clutches are worn out, fluid leak in the reverse apply circuit, or broken sunshell. The change happened when I broke theCommon Issues When Transmission Makes Clunking Noise. i noted that it was loud clunking at downshift from 3rd to 2nd gear and also a clunk shift when the vehicle approaches a complete stop. 355-horsepower 5. com Forumshttps://bangshift. com and other sites to pull over 30 of the best Black Friday deals we could find. com was first made aware of the issue when Daryl Watkins, the owner of a 2016 GMC Yukon I have a 2008 with only 26000 miles. A coworker had an early 2000's Silverado and I felt that bump everytime when riding in his truck when he came to a stop. Show More. 3L V8 6-speed shiftable automatic 4WD w/low range Transmission hesitates to downshift at take off, sometimes clunks into gear at low speeds. This is typically followed with a loud clunk after the few second 2005 Silverado Z71 crew cab drive line clunk. See if the clunk happens 2016 GMC Sierra / Chevrolet Silverado. 10/28/2012 · So I've got 09 Silverado 1500 crew cab with 5. Search Common Problems, Issues, Complaints, Defects and JD Power Rating. sun gear. Does it clunk really hard when you put it in gear? Late shifts, downshift clunk, 3-4 clutch failure, no lockup, 2-4 band failure, early shifts, 1-2 slide/bump, 2-3 cut loose; reverse clutch failure, 83-87 lets you make T. (self. I have an 04 Silverado Z71. i took it to the dealer initially to have a 1-2 and 2-3 shift clunk looked at. com//tech-section/13045-4l60e-clunk-when-stopping1999 silverado 5. 5ft bed. BEfore, it was holding the taller gear, and then dropping it with a clunk at about 2mph. com/youtube?q=silverado+downshift+clunk&v=XTYvY4bqT1s Jan 14, 2018 This is Before my rough country Traction Bars you can hear the clunking, the traction bars get rid of the clunking by 80%, you can still hear it  2016 Chevy truck rear end clunk. When I am driving 2000 2500 Silverado 6. 2012 Chevrolet Silverado 1500 Transmission Problems. My wife ran through a stop sign on a busy highway as a direct result. The inside instrumentation is for kids and not for men. leden 201827 Sep 2012 I have had this Silverado for about a year and it has always had a clunking noise when shifting from neutral to drive, when starting from a stop, 1. My friend has an '02 Silverado with the same issue. I had all the same kinds of problems you had with your truck. pressure for the 2-4 band and 3-4 clutch to improve 3-2 downshift. When you think What's up guys, picked up a 15' LT Z71 w/ 5. I have cc plates lowering springs, lcas, and Phb so I can only blame myself for the added noise Dec 1, 2012 #7 Anyone else experience a loud clunk coming from rear when it's downshifting at a hard stop? Happened a few times to me. Engine Compatibility. Re: 4L60E clunk when stopping Pull the driveshaft and lube the slip yoke splines with trans-jell or some other light lubricant. This condition may be worse on 4-wheel drive vehicle due to the additionmal tolerances in the transfer case. Downshift clunk Erratic TCC apply Erratic line pressure Excess converter pressure Failsafe mode Flare shifts Harsh TCC apply Harsh shifts High TCC slip RPM Topics: Checkball Locations Diagnostics And Theory Rebuilding Tips Transmission GM 6L90 Transmission 6L80 Transmission. The dealer has "reprogrammed" the transmission several times. the dealer always said its normal. SC-4L60E Fully compatible with '95-later 4L60-E, 4L65-E and 4L70-E units with PWM/EC3 (electronically controlled capacity clutch) control. 2000 Silverado 1500 automatic shifting hard not shifting at all or downshifting 2000 silverado 1500 automatic ext cab 4x4 just recently started having problems shifting. read all problems & complaints filed for the 2014 chevrolet silverado by general motors llc - page 1. Whether your truck is equipped with the 5. This is a synchronous shift transition between the application and release of the 2-4 band and the 3-4 clutch assembly. A clunk on takeoff seems to be a common problem, but I don't know if that's what you have. Appears on downshift as well. Confirm this by checking the tightness of the universal joints, both front and rear of a rear-drive vehicle. Then I approach a stop sign so I brake, and as the trans. Discussion in 'Chevy Trucks' started by bison1973, Oct 28, 2006. Used GMC Sierra 1500. One common trigger for major auto repairs is transmission problems. 4 Clunk on Downshift from 5>4 when passing Downshift, CLUNK, No Gears Left Discussion in '2nd Generation Ram Forum Archive' started by Big MAK, Jun 17, 2001. Weber, Jul 19, 2007. All they can do is record that I mention it everytime I bring in the vehicle. Category: Chevy. 2L engine, our programmers refine the pickups over all BlueDevil Products: Blog. 0L VIN N This is Technical Service Bulletin and Automotive Recall Titles. com was first made aware of the issue when Daryl Watkins, the owner of a …chevrolet silverado problems. *Can make it far less noticeable by braking HARD right before I know its about to shift from 3 to 2. 3L 6-5-3 Downshift Posted to GM Transmission on 2/11/2015 7 Replies got a downshift issue. Posted by Regis on Monday, April 29th, 2013 The 4L60E is probably the single most popular automatic transmission currently in use by American consumers. Let me start buy saying saying I have wasted TONS of money and countless opinions and finally I have solved the problem. Silverado MAX Yea its all Like the transmission forgets to downshift and clunks Silverado 1500 2008-10 6L80 CHEVROLET AUTOMATIC TRANS TRANSMISSION FIX-TV valve. III+ engines, due to its advanced control strategy, 48RE downshift clunk 20 to 17 mph Discussion in '5. 689. When buying a used car, you are always taking a risk that it may be more “used” than you bargained for. 3l v8. Nov 7, 2012 A quick YouTube search of “Silverado vibrations” turns up numerous videos that document the issue, with many owners filming water bottles or change to show exactly how much their trucks vibrate. The 4L60-E is found in nearly every GM rear-wheel-drive application, including the C/K Truck, Sonoma, Jimmy, Tahoe, Yukon, Astro, Safari, Suburban, Bravada So today I was driving my Silverado (2018 with roughly 7000kms) in the city and I had to slow down on an incline and then I went to acceleratePreliminary Information Bulletin - #PIP5012D - Clunk Noise Or Harsh 6-5 Downshift At 50 To 70 MPH - Harsh 4-3 Downshift, Or Harsh 3-2 Downshift At Lower Speeds - (Sep 11, 2013) - For 2012 Chevrolet Silverado - 2WD. I noticed a clunk when slowing down coming off the highway. The clunk you feel is probably forward clutch dropping out and then re-engaging. I'm having some issues with trans on my 06 gs430. Some vehicles may exhibit a clunk noise that can be heard on a 2-3 upshift or a 3-2 downshift. 3/9/2006 · Well not completly fixed, but I had a downshift into first clunk that is almost imperceptable compared to before. The downshift is so hard that it is a safety 1994 Chevy Silverado with a 4L60E. Re: 4L60E clunk when stopping The splines on the slip yoke in the trans were nice and oily with atf. The 2-1 downshift and bump is not 2. duben 20159. 3l transmission. the downshift is so hard that it is felt in The 2014 Chevrolet Silverado 1500 has 95 NHTSA complaints for the power train at 27,719 miles average. 1997 Silverado 4x4 brakes - Anti-locks cause sagging pedal especially at slow speeds. Sensors include engine speed and throttle position, transmission speed, hydraulic pressure and transmission fluid temperature. I drove the truck last night and while slowing down, I gradually shifted manually all the way down to 1st gear. as my 3-2 downshift clunk is still as plain as the day I got the truck back from the This video shows how to get rid of one of the GM driveline clunks. avanger9220 Posts: 1. The GM Hydramatic 6L80 transmission heralds a significant change in the design of automatic transmissions at General Motors. Chevy 4l60e transmission "clunk" when shifting between 1st and 2nd. It is a very noticeable downshift that throws you forward and is very unexpected. Shop with confidence on eBay!driveshaft—thump/clunk on light tsb 04-23-7 acceleration from stop or when braking and coming to a stop—ranger 4x4 super cab ford: clunk or clutch engagement clunk conditions. The new 10 speed brings new meaning to locking a converter, part of the clunk in and out of gears is Ford trying to lock all gears starting with 2nd gear. Pulling the clutch in and shifting all the way down severely limits your options if you need to do an avoidance maneuver. Transmission problems are one of the most serious and expensive vehicle issues to repair. ***** 2015 CC Avalanche » problems with my 2011 Silverado does anyone know how to fix the horrid 2-3 shift tranny clunk on a 2005 silverado? i read somewhere that the fix is in 2168 m is the latest with a 4/3 downshift mod A quick YouTube search of “Silverado vibrations” turns up numerous videos that document the issue, with many owners filming water bottles or change to show exactly how much their trucks vibrate. Here is a link explaining the reason to do this http://www. A clunk sound emanates from the driveline of my 2004 Silverado mostly when shifting from 2nd to 3rd and from 3rd to 2nd. 26 Sep 2010 Lately, I've noticed this delayed downshift clunk much more pronounced and it does not . Big power gains come in small packages! The DiabloSport Trinity and inTune i2 i2030 programmers add power, torque and fuel economy to your truck in minutes. We did experience the “clunk” and the tech Also, on occasion it will do the rough downshift from 3-2 and also from 2-1 and make a distinct noise. The most recently reported issues are …3/3/2011 · Loud Metal Clanking Noise When shifting into gear!! Discussion in 'Chevy Trucks' started by samjr, Feb 27, 2011. By BD Auto Pro. Seems to be in rear end during shift from 1-2 and at downshift sometimes. 1 ©2003-2006 InteractivePHP, Inc. Thread Status: Not open for further replies. Models: 2001-2007 Chevrolet Silverado Classic​. This information was created to inform the technician that the 2-3 upshift and the 3-2 downshift clunk is caused by the releasing of the 2-4 band and application of the 3-4 clutch assembly during an upshift. The 2-1 downshift and bump is not 2012 CHEVROLET SILVERADO Recalls (2) the technician about vehicles that have a clunk noise or a harsh 6-5 downshift while driving at 50 to 70 miles per hour Loud Metal Clanking Noise When shifting into gear!! Discussion in 'Chevy Trucks' started by samjr, They both made the "clunk" every time it was shifted into drive My clunk is from the axle actually rolling forward slightly when you brake. index (mark) the rear driveshaft to the rear figure 1 - article 04-23-7Find 2015 Chevrolet Silverado 1500 recalls information, reported by the NHTSA, and we will help you find a nearby service center where you can get your car fixed. My clunk noise appears to come from the front of the truck, like from the …3/25/2018 · Tune from Blackbear didn’t help me, just changed when and how the downshift clunk happened. The u joints seem fine, rearend is still pretty tight. Solenoids are turned on and off by Powertrain Control Module (PCM) on passenger cars and trucks with 2. com Car Forums! Chevy Silverado and GMC Sierra Transmission Problems Ensure it doesn't clunk lag 2003 GMC K1500 MAKING A CLUNK NOISE IN DRIVELINE • Information on 2-3 Upshift or 3-2 Downshift Clunk Noise, Bulletin #01-07-30-042 4WD 2500HD Series Some vehicles may exhibit a clunk noise that can be heard on a 2-3 upshift or a 3-2 downshift. Read Now. How to Diagnose Transmission Noises by Chris Stevenson . The leading source for online automotive repair information is a single vehicle access of this same information including all the diagrams, repair information, and detailed technical service bulletins/recalls for your 2003 Chevy Truck. The downshift clunk is still there however. We never blew the u-joints and apparently this was common with those models. Ford F150 Forum. Before my shudder came to again, I had been chasing a light tink-tink-tink under light load, the same RPM my car would later begin shuddering. It looks like greasing the yoke was one solution, and GM finally released a redesigned yoke for '99-2003 models. They won't 1/14/2013 · My clunk is from the axle actually rolling forward slightly when you brake. What is causing clunk noise in on 2000 chevy silverado 4wd - Answered by a verified Chevy Mechanic what is causing clunk noise in rearend on 2000 chevy silverado 4wd. The transition back and forth was completely seamless. This is a high quality used anti-clunk spring for GM 700R4 and 4L60E automatic transmissions. Shortly after the transmission was serviced, I began to experience a delayed downshift clunk when coming to a stop after driving only about 1 or 2 miles, but this would generally go away when the engine and transmission warmed up. Some four-wheel drive extended cab short bed models may exhibit a bump/clunk on stop or acceleration. It does not happen every time. 1860 mi: Complained of driveline lash and clunk. a helpful site for this 2013 Silverado 1500 problem yet. downshifting clunk, 3-2 clunk, still a problem I want to bump this thread because I still have this problem and its driving me nuts. I'm trying to figure out what could be causing the clunk and I'm thinking something in the rear end was installed incorrectly. at least it will downshift when it needs to and does not clunk (loud) on the 3-2 downshift all the time. went back again at about 1300 miles, for the same vibration. the tranny still behaves better than the one on my 2014 Silverado did 2015 Ford Mustang GT: Manual Transmission's Thud or Clunk Sound. there is a slight vibration in the floor board every time a "clunk" is produced, and this also increases in audible volume, yet decreases in speed if you manually downshift and put reverse torque, or "engine brake". Information on 2-3 Upshift or 3-2 Downshift Clunk Noise, Bulletin #01-07-30-042 •Q: Hard clunk noise shifting/downshifting in 2nd & 3rd asked by Ryan T on September 14, 2016 While driving and I am shifting from 2nd into 3rd gear, there is a hard clunk noise. Transmission down shifts hard while slowing down - Dodge 2004 Stratus question It is possible your brakes are dragging and that's forcing a downshift early; hoist Reset Transmission Adaptive Shifting – How to Programming Instructions DIY SPONSORED LINKS This procedure will reset the adaptive shifting points in your Mercedes-Benz automatic Transmission Control Unit (TCU). 2007 Chevrolet Silverado Clunk Noise Fix - Duration: 7:14. 3, 6 speed) with 53,000 to the dealer late last week and took a ride with the service tech for a solid clunking noise Apr 1, 2015 This video shows how to get rid of one of the GM driveline clunks. 2004 Cadillac SRX 3. A tune basically erases your adaptive transmission strategy and may act funky for about 100 miles even if you are doing a good mix of driving. driveline clunk Aug 15 2013, 2:41am mdnyrx wrote: So I took my 2009 Sierra (5. 88 Great Deals out of 10,247 listings starting at $700. I assume it's the tc, it makes a little clunk type sound as r's go from 1200 to 1500 and back. They strapped a 2016 Sierra 5. I own a Silverado with 8 speed Trans and it exibits a bump when coming to a 2007 Chevrolet Silverado 1500 Torque Converter Technical Service Bulletins (TSBs). The problem I have is when the vehicle downshifts. I would like to get this fixed before my extended warranty expires in 4 weeks. New vRS DSG manual downshift clunk Sign in to follow this . com. or like the transmission is downshifting after i stop. 3, 6 speed) with 53,000 to the dealer late last week and took a ride with the service tech for a solid clunking noise when braking. 2/18/2015 · Has anyone else here had a problem with a rough 6-5 downshift causing a clunk/thunk noise with a jerking sensation? This will be my third visit to the dealer for this issue. Models: 2001-2007 Chevrolet Silverado Classic 12/15/2006 · clunk shifting from reverse to drive and back. Still experienced hard down shift and told by the dealer this is because its a truck. I have a 2015 5. the shifting so that even on a level road it wants to downshift for no reason. It does make a clunk when it locks which can be felt but it is totally different from what is happening at a stop. When shifting gears, there's often an So today I was driving my Silverado (2018 with roughly 7000kms) in the city and I had to slow down on an incline and then I went to accelerate jump to content. My TCM is tuned so when I'm in the gas I get a nice firm shift, no clunk and it's a 4 speed. Transmissions typically cost upwards of a thousand dollars to fix and, if not functioning properly, can render a vehicle completely immobile and unusable. As for the hard downshift, the only time I notice that is when I am slowing down and it shifts from 2-1. Grinding noise Chevy Silverado + what caused it -NOISE AT 5 Autor: Red RaiderVizualizări: 490 mii4L60E clunk when stopping - The BangShift. 2002 Chevrolet Silverado 2500HD Warning Reviews - See The Top 10 Problems For 2002 Chevrolet Silverado 2500HD . The 3-2 downshift on/off solenoid is located atThe 2014 Chevrolet Silverado 1500 has 95 NHTSA complaints for the power train at 27,719 miles average. Drivers are complaining of a Silverado and Sierra vibration problem once the vehicle hits 40 mph. I had same problem it was a lound clunk in my 04 silverado I replaced u joints it was fine after that. 3L VIN Z Flex Fuel 2-3 Upshift or 3-2 Downshift Clunk Noise: 07-06 Listen for a heavy clunk when shifting from neutral to reverse and back again. I didn't thin u joints were bad but dealer said they were. com/blog/topic/2016-sierra-shifting-problem-6-speeed-automaticAug 16, 2016 It doesn't down shift unless you push the gas down half way fast. lockup-no wires needed GM Chevrolet Chevy 4L60E 4L65E Transmission Parts Technical Bulletin - #16-NA-411 - Harsh 1-2, Harsh 3-1 Decel Downshift, Harsh Downshifts Under Heavy Throttle, AFM Transition and Step In Clunk During Downshift - (Jan 20, 2017) - For 2016 Chevrolet Silverado - 2WD. he drives a 2013 silverado as his DD as well. com This same torque reversal can also occur on the 3-2 downshift when the 3-4 clutch is released and the 2-4 band applied. MechanicAdvice) submitted 3 years ago by Harmania. theTenth gear in the 10R80 transmission has an overdrive ratio of 0. My trucks got only 25000 miles on it and is having hard downshift, premature upshifts, surges when slowing about once a week, and has a slow shift from 2nd to third every morning. I noticed a clunk when slowing down coming off the highway. I have asked Buy a 2004 Chevrolet Silverado 1500 Transfer Case Motor at discount prices. 7/28/2013 · Allison Transmission Questions. Read about your lemon law rights. 2016 Sierra Shifting Problem 6 Automatic Transmission problems of the 2003 Chevrolet Silverado 22 problems related to automatic transmission have been reported for the 2003 Chevrolet Silverado. this is the Shop from the world's largest selection and best deals for Chevrolet RWD Car & Truck Automatic Transmission Parts. I noticed it when slowing down and when I felt the downshift, I felt and heard a clunk. My 08 has the 3/2 downshift clunk and the 2/3 upshift clunk. 2/25/2008 · 2004 Silverado Z71 Rear end clunk. From what you're describing, my clunk is about the same speed as your clunk. The TV cable used on the 4L60 controls line pressure, shift points, shift feel, part throttle downshifts and the detent downshifts. And the mechanic didn't hear the noise because he's not rolling on the throttle at 2000rpm in 6th gear. So I had Mike Van Dyke here at ATRA machine a tubing adapter, and I did some TRANSMISSION THERAPY by Larry Frash TTurning a 4L60E urning a 4L60E iinto a Manually nto a Manually SShifted Transhifted Trans Figure 1 Manual LowWhat Causes Hard Shifting in an Automatic Transmission? by Jen Davis . 2168 m is the latest with a 4/3 downshift mod 2834 is the file that was replaced by 2168 Note: These are straight binary transmission files. 3L 6-5-3 Downshift Posted to GM Transmission on 2/11/2015 7 Replies got a downshift issue. It seems to help at first, but on longer drives, the "clunk" returns until it occurs on nearly every downshift on a hill. The rpms will soar but the acceleration remains minimum or the truck will downshift on the highway while the rpms are not adjusted and remain high. Re: Hard transmission downshift vs. 3L down on the dyno and started making power pulls. Page 1 of 2 1 2 Next > bison1973 Member. The site for Ford truck owners, by Ford truck owners THe really hard 2-1 downshift would sometimes be replaced with a harsh bump about 2 seconds "The TV cable used with the 4L60 transmission should not be thought of an automatic downshift cable. It looks like it IS the dreaded "Driveline Clunk". They both made the "clunk" every time it was shifted into drive. clunk, bump or squawk when vehicle comes to a complete stop or acceleration from complete stop. 3/17/2019 · Home › Forum › GMC › 2016 Sierra Shifting Problem 6 speeed automatic. problem 8/26/2016 · 2015 Silverado 6L80E torque converter question Unfortunately, this is right at highway cruise rpm (3. they replaced the valve body, 1-2 piston and springs under warranty. Seems to happen on maybe a 3 to 1 downshift at about 8mph. Auto transmission clunk downshifting from 2 to 1. bought my silverado and have also noticed a clunk only from a dead Re: 4L60E clunk when stopping The splines on the slip yoke in the trans were nice and oily with atf. • Information on 2-3 Upshift or 3-2 Downshift Clunk Noise, Bulletin #01-07-30-042 • Driveline Clunk When Stopping (Reprogram Powertrain Control Module (PCM), Bulletin #03-07-30-028 Correction Replace the rear drive shaft slip yoke with a new nickel-plated slip yoke. a 03 Silverado and it's got a wicked clunk A clunk sound emanates from the driveline of my 2004 Silverado mostly when shifting from 2nd to 3rd and from 3rd to 2nd. service procedure driveshaft removal 1. Silverado 1500. The idle is about 50 to 100 revs lower, but since it's smoother, that's fine. Since having my tires changed, I've been hearing a clunking sound from what sounds like the back driver side of my car. arbetrader. The converter strategies in our calibrations will place great emphasis on quick converter lockups at the right mph in the right gears (the right gear is the key) and rpm as to take advantage of the low torque that is available from the 5. If so, it's probably suspension. agcoauto. Down shift transmission clunk Have been driving around with my re-tuned pcm, and have noticed a new clunk noise . Today, the vibration is back with a bonus this time. Scroll down for our curated list of over 30 of the Best Black Friday Deals from TVs and toys to pets and tools plus a few bonus deals at the bottom. 7 8HP70 and it does the clunk either when almost at a stop, or taking off from a stop. The dealer said that it's a backlash in the drivetrain and there is nothing they can do about it. GM is aware of this issue, and cause, which is a soft aluminum TCC valve. NOT GOOD. While the 6L80 is generally mechanically compatible with Chevrolet and GM Gen. If so these could have an effect on your tranny and causing the clunking noise and early wear and tear on your tranny… I don’t know, I have not noticed this clunk sound at all. If you hear a loud clunk, or feel a chassis shudder, this could indicate that the torque converter mounts have disconnected or broken. Late shifts, downshift clunk, 3-4 clutch failure, no lockup, 2-4 band Search "Silverado slip yoke clunk" on Google and you'll get plenty of hits. 2L engine, or by Vehicle Control GM also stipulates that a lash clunk during a 2-3 upshift or 3-2 downshift also should be considered a normal non-repairable characteristic. Clunking Sound in My Transmission. Since this clunking/hard shifting/banging in to gear does not happen in tow/haul mode, the issue is line pressure. Sometimes when Im on the highway, doing 70+, and the car downshifts because Im going up a hill (or because Im stomping on it), the downshift has a delayed clunk. - YouTube www. What Causes Hard Shifting in an Automatic Transmission? by Jen Davis . slow speed while trans is up shifting and down shifting…. 4 Clunk on Downshift from 5>4 when passing PDA X5 4. Common Issues When Transmission Makes Clunking Noise. C. Mar 13, 2019 Silverado 1500 has 6 problems reported for transmission clunking. Sounds pretty bad and the quicker I brake the louder Ok, so I have posted on here that I was having this clunk when I would get to the gas after a stop. March 4, 2016. at 75000 miles the gear failed in a parking garage when i parked Check out the Chevrolet Silverado 1500 review at CARandDRIVER. It is probably dry slip yoke splines. I have a 2004 Chevy silverado 2500 4x4 with the duramax and Allison transmission. 3 and the so what I thought badass hydramatic 6 speed. Diagnosing GM Converter Lock-Up Problems. Hey, all! I have an 08 PT Cruiser that has developed a Downshift clunk Hey everyone. Having NV3500 5 Speed Manual Transmission Problems? Get Expert Advice From MTC Expert 1991 Silverado 5 Speed trans problem I can hear this “deep clunk Transmission problems in a vehicle can be the cause of one of the most major repairs a car owner can make to their vehicle. i usually hear it when I'm turning a corner in an intersection, so it's definitely a low speed, low throttle input situation. A noticeable vibration in the chassis frame during the heavy clunk will point more toward a defective transmission mount rather than a torque converter problem. com/content/news/ Here is a Reduce GMC Sierra Drive Shaft Clunk - Slip Yoke Grease Fitting Install - HOW TO Red Raider and help reduce the infamous clunk. It is primarily used behind the powerful Duramax diesel engine found in many later model GMC and Chevy trucks. Check the transmission cross member mount (rubber dampers) for excessive wear or splits. There can always be hidden problems 10/21/2007 · Clunk, Bump or Squawk when Vehicle Comes to Complete Stop or Accelerating from Complete Stop or Accelerating from Complete Stop (Replace Rear Drive Shaft Nickel-Plated Slip Yoke) #01-04-17-004B - (Jan 5, 2005) • Information on 2-3 Upshift or 3-2 Downshift Clunk Noise, Bulletin #01-07-30-042 4WD 2500HD Series Silverado and Sierra GS 2006-11 :: Trans Having A Downshift Clunk / Jerk When Coming To A Stop. Technical service bulletins issued by the NHTSA for the 2002 Chevrolet SILVERADO. Introduction. ) when downshifting (automatic trans) Same can be heard when you are cruising along and then step on the gas alittle harder and get the clunk sound and when you take your foot quickly off the accelerator. 9/16/2009 · 2010 Chevy Silverado. That’s a drop of only eight percent, making for a nearly imperceptible 10-to-9 downshift when needed. samjr Senior Member. from 3rd to 2nd gear and also a clunk shift when the vehicle approaches a complete stop. The manual transmission in our 2015 Ford Mustang GT makes a thud or clunk sound when upshifting. The way this transmission shifts, it almost seems like it sometimes 2012 Chevrolet Silverado 1500 LTZ 5. 2,360 Great Deals out of 170,970 listings starting at $1,500. Re: 4L60E clunk when stopping. My current truck is a 2005 chevy silverado with a clunk noise between 2nd and 3rd gear, it doesn't do it all the time but it still annoys me, i'm still trying to gathering info and find out whats causing that, the 3/18/2019 · 2003 GMC K1500 MAKING A CLUNK NOISE IN DRIVELINE . The shudder is gone. Another 600 miles and my shudder is still gone. I can duplicate this noise just by power braking a bit . 8/15/2016 · A coworker had an early 2000's Silverado and I felt that bump everytime when riding in his truck when he came to a stop. This problem started before my 1st service was due. I have seen other comments from other member I noticed a clunk when slowing down coming off the highway. It goes like this- lockup converter already disengaged hill gets steep, car downshifts tach goes up and stabilizes 1/4 second or so lat downshift clunk Discussion in '4th Gen Camaro LT1 (1993-1997 Camaro)' started by stevez28, May 20, Downshifting in A4: 4th Gen Camaro LT1 (1993-1997 Camaro) 2012 CHEVROLET SILVERADO Recalls (2) a clunking noise coming from the rear of the vehicle. Slips While Downshifting. Used Dodge Ram 2500. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. Thread starter eman; Start date Feb 24, 2008; E. *yh update After 20 mi. Many of the complaints allege that these problems also affect the Chevy Silverado and GMC Sierra. Then while going around 5 mph I applied the brakes for a normal stop and the clunk is STILL there. When a transmission begins Clunking sound at back of car when applying brakes. No downshift clunk here but I do get a clunk on bumps. The downshift in the 30 mph range is very hard at times. This is typically followed with a loud clunk after the few second Shortly after the transmission was serviced, I began to experience a delayed downshift clunk when coming to a stop after driving only about 1 or 2 miles, but this would generally go away when the engine and transmission warmed up. Brand new 2013 Silverado 1500. View all 19 consumer vehicle reviews for the 2012 Chevrolet Silverado 1500 on Edmunds, or submit your own review of the 2012 Silverado 1500. 3, 6 speed) with 53,000 to the dealer late last week and took a ride with the service tech for a solid clunking noise 14. Transmission clunking in 2-3 up shift or 3-2 downshift, mush louder when towing my trailer it sounds like its going to exployed brakes: brake pedal is on the floor very very weak cannot stop truck on a quick brake 2003 chevy Silverado 4x4 xcab. VBSRT, Mine is a 2014, and I have had similar problems, first with all down shifts, then after a new valve body, it became more of a 5-4 downshift problem, I only get a clunk at very low speed down shifts usually in the 4-3, 3-2 range like when i'm going down a ramp in a large parking garage. when I let off the gas and it settles back down I get this clunk. Delayed Engagement, Downshift Clunk 2006-2008 Ford, Mercury April, 2008 Delayed engagement into drive from Park, Neutral, or Reverse Downshift “clunk” when coming to a stop Hesitation at tip-in when accelerating from a stop These conditions may be the cause of the TCM. I just purchased a 2006 Lincoln Navigator with 67k miles from a Lincoln Dealer in Cleveland, TN. Yes, I think it is dangerous. 4 Clunk on Downshift from 5>4 when passing 2016 Cold Downshift Clunk! 550 on odo User Name: Remember Me? Password: User Tag List: I've done Floyd Hill both ways and never once had to down shift manually The autos will downshift pretty hard sometimes to help you brake but I don't think is should be making a large clunk sound. Feb 2, 2007 Information on 2-3 Upshift or 3-2 Downshift Clunk Noise 2004 and Prior . Do I need differential fluid or is it something else? If you a rolling too fast it will clunk and is not good for the transmission. 3 Upshift or 3-2 Downshift Clunk '99 chevy 2500 116,000 mi- has a lound clunk when shifting from reverse to drive and drive to reverse. most of the time. August 21, …1/1/2013 · Ok, so I have posted on here that I was having this clunk when I would get to the gas after a stop. until you allow the vehicle to cruise again. There is a clunk that sounds like its coming for the transmission or 4/1/2015 · The GM Driveline Clunk (Pickup) Bruce Pender Grinding noise Chevy Silverado + what caused it -NOISE AT 5:14 14:23. To see how frequently Chevrolet Silverado 1500 problems occur, check out our car reliability stats. One of the unexpected outcomes is that a very precise, but smooth downshift happens at about 10 mph now. It feels like a bad universal joint, I crawled under the truck and found nothing wrong with the u-joints. Edited March 24, 2018 by JacobC1983. Information on 2-3 Upshift or 3-2 Downshift The 2012 Chevrolet Silverado 1500 has 6 problems reported for transmission clunking. shift from 1-2 and at downshift sometimes. It has been considered to be the best rendition of the finest overdrive automatic transmission ever produced. GM calls this normal. silverado downshift clunkWhat's up guys, picked up a 15' LT Z71 w/ 5. eman Newbie. This condition may be worse on a 4-wheel drive vehicle due to the additional tolerances in the transfer case. 1800 rpm sounds like a slip to me when coming to a stop the transmission will clunk when downshifting to 2010 Chevy Silverado. Posted by Regis on Tuesday, March 5th, 2013 The 1000/M74 is a very heavy duty automatic overdrive transmission built by Allison Transmission