Chevy shudder fix

Brake shudder is the vibration you feel through the steering wheel when you hit the brakes. Brake shudder arises as a result of issues with the brake discs. Namely, when the brake discs have been affected by Disc Thickness Variation (DTV). This refers to the uneven wear of brake discs and is the result of rotor run out.

Chevy shudder fix. Latest official GM service bulletin regarding this transmission was to flush trans fluid and replace with Mobil 1 LTV HP fluid. Bulletin number 18-na-355. This was covered under our CPO warranty at 91K miles. Shudder is now gone and we are currently at 101000 miles. The low speed shifting is still a bit clunky though, but at least at all cruise ...

The 2018 Chevrolet Colorado has 59 problems reported for shudder, vibration. Average repair cost is $1,810 at 17,300 miles. (Page 1 of 3)

The 8-Speed GM Transmission. The GM 8L90 and 8L45 transmissions were developed to replace earlier 6-speed automatic transmissions in General Motors rear wheel drive vehicles. The 8L90 was introduced in 2014 in vehicles like the Chevrolet Silverado / GMC Sierra pickups, the GMC Denali, the Corvette and Camaro, and several Cadillac applications.Transmission Shudder Causes #14: Malfunctioning Transmission Control Module. The TCM is the brain of the transmission. It controls the shifting of gears and the operation of the torque converter. If it's malfunctioning, it can cause erratic shifting, leading to a transmission shudder.Our 2019 Traverse Redline has approximately 7500 miles on it. We are currently on spring break, approx 1500 miles away from home and the transmission has started to noticeably stutter/hesitate while shifting between 1-2, 2-3, 3-4 while under what I would call "normal" acceleration. Obviously being very concerned about the safety of driving ...White016 said: My point was it's the 8 speed with the problems with shudder. The "fix" for the lugging 6 speed gas trucks is a PCM and TCM update. The fix for the 8 speed is fluid then a new TC if needed. There doesn't seem to be many problems with the 6 speed at all, especially after the update. I've had the converter changed twice in 34k on ...gherbert. 10844 posts · Joined 2019. #39 · Aug 30, 2022. dbs600 said: 2020 Chevrolet Colorado ZR2 V6 w/ 20k miles. 1k miles ago the truck began to shudder at low speed. Shuddering continues as speed increases, but dissipates. Finally able to get an appointment at a dealer.Key Takeaways. Torque converter shudder causes a brief shake or vibration in your Silverado when internal clutches apply. Understanding the role of torque …Your Chevy Express's torque converter is responsible for connecting and disconnecting the engine from the transmission, transferring power smoothly. When this process fails, it can lead to torque converter shudder. Causes of shuddering can include worn torque converter clutches or the gradual application of the torque converter clutch, …

1-2 Shift shudder at WOT; delayed or abnormal 1-2 shift; There's a problem ONLY on the 1-2 shift: 1-2 accumulator piston cracked or stuck cocked in the bore. Check the yellow spring inside the accum housing for breakage. Also, if the accumulator housing walls are scored, the housing must be replaced. Easy fix in the pan. 4.American-made Chevrolet is one of the best-selling brands in the United States. If you are in the market for a used Chevy, whether a sedan, truck, SUV or sports car, this article h...Jan 25, 2021 · Codes were as follows: P0741 Torque Converter Clutch Solenoid Stuck Off. P0700 Transmission Control System (MIL Request) Took it to the dealer where they replaced they tested the line pressures per Service Bulletin 19NA153 (pressures were within spec - 80-300 psi), replaced the TC, inspected the module, and replaced the filter. Left the dealer ... Jan 20, 2018 · Low RPM Shudder/Vibration. On my 2012 Avalanche with 5.3l and 6-speed AT, I experience an intermittent shudder between 1,000 and 1.500 rpms. I sometimes notice it in lower gears at low speeds, and it happens on the highway for a couple seconds at a time pretty regularly if I'm cruising around 1,500 rpms. If I drop to 5th gear and get to around ... A8 Transmission Shudder/Hard Shift....FINALLY FIXED?!!“FIFTY” 2017 Camaro 2SS 50th Anniversary Edition (1 of 2,125)Thanks for watching! SUBSCRIBE!!Check me o...Added shudder fix with new acdelco dexron 6 transmission fluid, symptoms gone. Transmission needs extra friction for clutches and steels. ... My 2006 Chevy Impala had a problem with shifting into gear after a stoplight or stop sign I installed a small tube of this transmission fix into it and I swear it instantly fixed the problem it was ...Your car's automatic transmission has a torque converter. The torque converter is made up of five parts: 1. Stator. The stator is called the middleman. The stator is called the middleman because it serves as the conduit that reverses transmission fluid and sends it back to a turbine impeller. 2.Lubegard 19610 Instant Shudder Fixx, 2 oz. Packaged in a uniquely engineered two ounce application tube, LUBEGARD's Instant Shudder Fixx is compatible with conventional or synthetic automatic transmission fluids. This formulation of friction modifiers made of synthetics and synthetic esters is concentrated five times! For use in …

TECHNICAL. Subject: Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed. Note: This procedure should only …Chevrolet Silverado 2007-2013: Transmission Problems and Diagnostics ... The 1-2 shift is delayed and abnormal (i.e., accompanied with a shudder): The 1-2 accumulator piston is cracked or has jammed in its bore. ... Reprogram the PCM to fix the VSS drop-off. The 1-2 and 2-3 shifts are harsh (as is going from Park to Drive or Reverse):A lawsuit filed against General Motors alleges that several Cadillac, Chevrolet and GMC models are equipped with defective 8-speed Hydra-Matic transmissions and plagued with torque converter problems. These vehicles are equipped with faulty Hydra-Matic 8L90 and Hydra-Matic 8L45 transmissions, which allegedly cause these vehicles to slip, buck ...A shudder feeling that may be described as driving over rumble strips or rough pavement. Shudder feeling is evident in both Drive and M7 MY15-16 &L7 MY17 and MY18 Mode. Requires Mobil 1 Synthetic LV ATF DEXRON HP transmission fluid. Note: U.S. dealers must order the Mobil 1 Synthetic LV ATF DEXRON HP.A lawsuit filed against General Motors alleges that several Cadillac, Chevrolet and GMC models are equipped with defective 8-speed Hydra-Matic transmissions and plagued with torque converter problems. These vehicles are equipped with faulty Hydra-Matic 8L90 and Hydra-Matic 8L45 transmissions, which allegedly cause these vehicles to …Published: June 24, 2022. The full text of this sponsored video is below: Welcome to the GM eight speed torque converter shudder solution by LubeGard. General Motors has issued multiple technical service bulletins on torque converter clutch shudder in the eight-speed 8L45 and 8L90 transmissions. This problem affects over four million vehicles.

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00:00. Welcome to the GM eight speed torque converter shudder solution by LubeGard. General Motors has issued multiple technical service bulletins on torque converter clutch shudder in the 8-speed, 8L45 and 8L90 transmissions. This problem affects over four million vehicles. That’s 11 different models across three different OE …Chevrolet Silverado 1500 (New Model) 2019 2019 SOP March 01, 2019 L3B, L84 MQE GMC Sierra 1500 (New ... TCC shudder condition to be eliminated. It is not a requirement for the dealer to drive the vehicle 200 mi ... Only select the parts that coincide with the repair performed. Causal Part Description Part Number Qty X Mobil 1 Synthetic LVATF HP ...In this video we show you how to use our Instant Shudder Fixx with proprietary LXE (Liquid Wax Ester) technology, and then we'll answer some of the most comm...After driving around and paying close attention, I have noticed 2 issues: 1-When driving straight, and with mild acceleration, there is some shuddering, seems to be from front of car. Intermittent, most of the time it isn't present. 2-When driving straight, there is a small sound a vibration, similar to going over some mild rumble strips.In the press release, GM noted that production on the Chevrolet Bolt EV battery resumed. The automaker outlined the newest plan to fix the battery issue with the Bolt EV and EUV. The fix will allow buyers to drive, charge, and park the Chevy Bolt as usual again after months of inconsistent instructions. There will be a hardware and software fix ...

Use a transmission additive to fix shudder. 2. CVT Supplement 6 Bottles (Half Case) 14070-11oz - Bottles Don't replace that Nissan CVT. Apart from increasing the lifespan of the transmission. Additives keep transmission fluid healthy, and when the fluid is healthy, the transmission doesn't have to work as hard. When the vehicle parts aren ...First. Prev. /. C7 General Discussion - Transmission Shudder - Well, it finally happened. After about 18,400 miles on my 2016 Stingray, I have noticed the shudder from the transmission that has been described by so many C7 owners. I spoke with 4 different Chevy dealers and got 4 different suggested remedies and associated costs.TCC Shudder and New Mobil 1 Fluid Exchange – TechLink. I found this part interesting. “The TCC shudder condition is related to the moisture content in the transmission fluid. The current fluid tends to be hygroscopic or absorbs moisture, which increases the chance of TCC shudder. There are three different fluid exchange …Buy Lubegard Highly Friction Modified (ATF) Supplement Dr. Tranny Shudder Fix - BK 7652969 online from NAPA Auto Parts Stores. Get deals on automotive parts, truck parts and more. 20% Off $125+ Orders - Code: MAY20I'm sure this has been discussed on here before but recently in the past week I have been noticing a shudder in the transmission. A quick search online tells me this is a known issue with the 8 speed and has a class action lawsuit pending along with multiple TSB's released by GM. I have the shudder issue and hard shift into gear every now and then. The GM 8-Speed TCC Shudder Solution THE RESULTS ARE CLEAR Lubegard Platinum ATF Protectant significantly reduces torque converter clutch shudder and slippage. General Motors has issued several t echnical service bulletins pertaining to torque converter clutch shudder issues in two of their 8-Speed transmis - sions; 8L45 & the 8L90. 2014 silverado 87,000 miles transmission started to shudder and shift hard. changed fluid which stopped the whine but it still shudders going up a hill. i have never pulled much with this truck and never off road. Brother is a great mechanis and said it might be torque converter. ouch sad about my truck.Car brakes shudder because of uneven wear on either the pads or the rotor, or buildup of deposits on the hub that cause the rotor to sit unevenly. Uneven brake pads must be replaced, but rotors may be salvaged, depending on their condition, while hubs can easily be cleaned with a wire brush. Let's take a look at why this happens and how to ...

The 2015 Chevrolet Colorado has the most overall complaints, & we also rate 2015 as the worst model year ranked on several factors such as repair cost & average mileage when problems occur. The most-reported problem is with the 2018 Chevrolet Colorado for shudder, vibration.

Get notified about new defects, investigations, recalls & lawsuits for the 2018 Chevrolet Colorado: # 59. Mar 01 2024. Colorado Z71 V6. Automatic transmission. 41,000 miles. Not sure what the issue is yet according to the dealer. For sure, there is a shutter and vibration when accelerating to 45 mph or greater and maintaining.Gwinn43 Discussion starter. 4 posts · Joined 2014. #1 · Feb 24, 2014. 2008 Impala 3.5L 73,000 miles. Just recently I've noticed a misfire type shudder when driving at 40-45 mph under light acceleration before shifting back to 3rd gear. This is being done at anywhere from 1000-1200rpm and does not do this at any other speed or gear.Oct 18, 2022 · How to Stop a Transmission Shaking. The repairer will do a torque converter replacement, total transmission fluid flush and/or refill, or piston seal change once the source of the problem has been properly diagnosed. The fix could be a combination of a fluid swap and mechanical repair. Explained the shudder issue. They did the TSB and were familiar with it. I never even had to bring it up. I did have it ready though. Repair is covered under your 5yr/60k power train warranty. If you are outside that I would imagine you are paying out of pocket. The bill the dealership had was around $400. I paid $0 Follow me on Instagram: https://www.instagram.com/mattys.garageJULY 28th!! MEET UP IN PA!!700 E High St, Carlisle, PALed Light partner LASFIT:Last fit Websi...Transmission lock-up converter shudder is a common issue that many vehicle owners experience.This problem occurs when the torque converter fails to engage properly, causing the vehicle to shake or shudder during acceleration. The lock-up converter is responsible for connecting the engine to the transmission, allowing for …I have '99 silverado 1500, 2wd, 5.3 4l60e transmission with a split drive shaft and a G80 rear diff. he has the same just a '00, both around 120,000. i am getting a shudder at about 15-24 mph on acceleration and his is about 40-55, i believe from other forums we have a break down of tranny fluid and that is creating the torque converter shudder.

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Lubegard 19610 Instant Shudder Fixx, 2 oz. Packaged in a uniquely engineered two ounce application tube, LUBEGARD's Instant Shudder Fixx is compatible with conventional or synthetic automatic transmission fluids. This formulation of friction modifiers made of synthetics and synthetic esters is concentrated five times! For use in ANY automatic ...New Fix A8 Transmission Shudder. 12-13-2018, 02:30 PM. GM has come out with a additional/separate fix for the Z8's transmission shudder, one different front the torque tube clutch replacement. If you are having an A8 trans issue, this could be very helpful information for you. Unfortunately, with all new procedures/parts, it is not yet available.The shudder is annoying, but at 190K miles now, I've been at least 20K, if not 30K mikes since the issue started, so it's possible the Lubeguard is what's been keeping me going.., -2015 Chevrolet Equinox SS 301HP V6. -2024 Corvette Mid-Engine 495 HP. -1998 Chevrolet Camaro Z28 400.1 RWHP 6 Speed.8 Speed shudder fix from GM. Good morning. Checking out GM TechLink this morning I came across the following article anouncing a "fix" for the Corvette's 8 Speed Auto "Shudder". The article details what "shudder" is, how to test for it, the cause and the prescribed fix. It appears the problem is caused by the OEM trans fluid being …2013 chevy traverse with shuddering My 2013 Chevy Traverse has had a transmission Shudder problem for the last 3 years. I took it to 3 different mechanics & none were able to pin point the problem. Eagle Transmission Rebuilt the transmission about a year ago and it started shuddering again after a few weeks.6L80 6 speed torque converter 2014-2018 Silverado failure & fix. Get this shudder issue checked out immediately, if not addressed immediately torque converte...Any and all discussion related to the Chevy Colorado. Members Online • Haliyaks. ADMIN MOD TCC Shudder fix just completed . 2018 CCLB Colorado - Holy crap what a difference after having the torque converter replaced. ... to TCC shudder. A revised service procedure will be released in Q1 of 2019. If the vehicle experiences a repeat shudder ...Two problems related to transmission shudder have been reported for the 1999 Chevrolet Silverado. The most recently reported issues are listed below. 1 Transmission ... They do not care. Simply state if chev. Tac says they are working on problem what do I care. They will fix it eventually. Problem is if they dont know what the problem is how ...According to several Chevy shake class-action lawsuits, the following vehicles have been found to be affected by the Chevy shake: 2014 to 2019 Chevrolet Silverado. 2015 to 2017 GMC Yukon Denali. 2015 to 2020 GMC Yukon XL. 2015 to 2020 GMC Yukon. 2015 to 2020 Chevrolet Tahoe. 2017 to 2019 Chevy Colorado. ….

Aug 8, 2022. #1. I have a buddy that owns a 2014 GMC Sierra SLE w/ around 165K (5.3L w/ 6L80E) that is experiencing pretty bad shudder at lower RPM under load when the torque converter clutch is engaged / locked. No codes at all are being thrown for the powertrain. He took it to a transmission shop that did zero diagnosis, simply stated …Chevrolet, GMC shudder or shake is found to be the torque convertor. The good news is that the fix is to flush the transmission of its fluid and replace it with new. More about the actual problem can be found here in the TSB from General Motors. Again, all that would need to be confirmed by a certified ASE technician to be on the safe side.Product Description. AT-222 Instant Shudder Eliminator. This highly concentrated synthetic friction modifier is designed to stop torque converter shudder. This is a quick fix for shudder. This product does not have the fluid enhancements (reduce heat, wear, extend fluid life) like AT-202.If your Chevy Colorado's transmission is experiencing a shudder, there are a few possible solutions. One is to have the transmission flushed and refilled with fresh …In this video we show you how to use our Instant Shudder Fixx with proprietary LXE (Liquid Wax Ester) technology, and then we'll answer some of the most comm...2. Rough Idling. Rough idling is another common symptom of a bad torque converter. If you feel that your idle is a bit jumpy and sometimes too low and sometimes too high, it could be a torque converter problem. If the torque converter is faulty, it might create unexpected pressures inside the torque converter, which can cause rough idling.shudder should be diagnosed utilizing published diagnostics, GDS, PICO Scope or other diagnostic tools. Sometimes shudder is not caused by the torque converter clutch (TCC). In some instances, shudder is fish bite, chuggle, surge or vibration. Brand: Model: Model Year: Date Breakpoint: Engine: Transmission: from to from to Chevrolet Silverado ...The manager said that the old fluid allowed the torque converter to slip causing the shutter. Since then I haven't felt any shudder granted I've driven just over 500 miles since the repair. The manager told me that the change of fluid has fixed all of the vehicles at that dealership. Sent from my iPad using Tapatalk.December 14, 2020 at 12:36 pm #631534. semanski69. Participant. I’m sure this has been posted especially on earlier models. But i have a 2020 with 5.3 8 speed and having shudder at low speeds ... Chevy shudder fix, If your transmission has a shutter, this video is for you!, 3 Vehicle Shudder problem. Failure Date: 05/01/2020. The contact owns a 2017 Chevrolet Camaro. The contact stated that while driving 45 to 60 mph, the vehicle vibrated abnormally. The contact stated that the vibration was felt under the driver's and passenger's front seats. The vehicle was taken to fox Chevrolet (632 e., A popular car modification is the stereo system. Replacing the stereo enables the car owner to add an aftermarket stereo with a number of features such as MP3 players, Bluetooth co..., Jun 13, 2019 · 6L50 shudder fix. I have now successfully fixed 6 vehicles with the 6L50 transmission. 2 gasser Colorados, my diesel Canyon, a BMW and a Camaro. If anyone one is interested I will do a tutorial on exactly what you need to do. So far this has fixed shudder and hard shifting issues in all 6 vehicles. 2016 Dirtymax Canyon. , stephenson. Short story - many GM transmissions are apparently afflicted by a shudder with wavering RPM, clunking, etc - 2016-2018 so far. GM reportedly changed the fluid requirement a year ago, then when that didn't solve the problem, they started replacing torque converters. But, they started getting returns on the torque converters., 00:00. Welcome to the GM eight speed torque converter shudder solution by LubeGard. General Motors has issued multiple technical service bulletins on torque converter clutch shudder in the 8-speed, 8L45 and 8L90 transmissions. This problem affects over four million vehicles. That's 11 different models across three different OE manufacturers ..., There is a class action lawsuit for the 8L45 and 8L90 GM transmissions due to the torque converter shudder. The transmissions were used in the following vehicles: 2015–2019 Chevrolet Silverado. 2015–2019 GMC Sierra. 2017–2019 Chevrolet Colorado. 2017–2019 GMC Canyon., Jun 15, 2023 · Worn or Damaged Parts. Worn or damaged parts within your torque converter can also cause a shudder. The torque converter clutch is responsible for connecting and disconnecting your engine from your Colorado’s transmission. Over time, the friction material on the torque converter clutch can wear out, causing the clutch to slip or engage ... , Mar 23, 2022. Trans Shudder | Chevy Colorado & GMC Canyon. Aug 5, 2022. More results from www.coloradofans.com. 2017 Deep Woods Green ZR2 CCTruxedo Titanium/Sentry cover Go Rhino RB20 running boards, Falken AT3W P265/70/17 -Previously Toyo AT2 285/70/17 , 589FAB level Bull Rings, under carriage led lighting, Aux-Beam Ditch lights. …, Chevy Shake may be due to one or several factors of a component not being balanced. We go over items on the truck you can test and have a professional drive..., Vibrations. One of the most noticeable symptoms of torque converter shudder is vibrations or shaking while driving. These vibrations can be felt through the steering wheel, floorboard, or seat of the vehicle. The severity of the vibrations may vary depending on the extent of the shudder and the speed of the vehicle., OPTION 1 OPTION 2 OE RECOMMENDED SOLUTION LESS EXPENSIVE SOLUTION Total Cost of Service (does not include labor)$259.80 $37.98. There's no need for an Expensive & Wasteful fluid change service Just add LUBEGARD PLATINUM!*. Total flush and fill using 20 bottles of expensive ATF. Save money with LUBEGARD. Add 2 bottles (20 oz) of LUBEGARD PLATINUM., How to Fix your LLY Duramax Fuel Pressure Relief Valve (FPRV) Problem. There are three relatively inexpensive ways to solve a poorly working Duramax fuel pressure relief valve. The three FPRV fixes are installing a FPRV shim kit, replacing your FPRV with a race fuel valve, or replacing your FPRV with another OEM FPRV. 1., GM To Fix Chevy Silverado, Camaro, Tahoe, Suburban Over Transmission Pinion Gear Issue ... The 8 speed had shudder and shift issues when introduced. These issues were compounded when combined with ..., Not sure if you still have your stark, I have a 2014 spark. It would shudder often. I have the fluids change out at 80,000 miles, and currently at 160,000 so I decided to flush the transmission my self, change filter/pickup tube. I used CVT fluid called Lube Gard Completed, yes spelling is right., In this video I discuss the symptom of torque converter shudder, give an example of it, and talk about the fixes of torque converter shudder. Torque convert..., A suggestion before adding any OTC friction Modifier. First, totally replace the AT fluid in your transmission with the proper ATF and at the proper level. Drive it for 500 miles and see if it reduces shutter. Check the transmission mounts and make sure they have no cracks and are holding firm. Check the universal joints to determine if they ..., GM may be replacing tens of thousands of Bolt EV batteries, but it won’t have to pick up the tab for most of them. The automaker has reached a deal that will have LG pay nearly all..., If you’re in the market for a new or used Chevrolet vehicle, it’s important to find a reputable dealership near you. With so many options available, it can be overwhelming to choos..., Brake shudder is the vibration you feel through the steering wheel when you hit the brakes. Brake shudder arises as a result of issues with the brake discs. Namely, when the brake discs have been affected by Disc Thickness Variation (DTV). This refers to the uneven wear of brake discs and is the result of rotor run out., Latest on the transmission shudder issue. TCC Shudder and New Mobil 1 Fluid Exchange - TechLink I found this part interesting. "The TCC shudder condition is related to the moisture content in the transmission fluid. The current fluid tends to be hygroscopic or absorbs moisture, which increases the chance of TCC shudder., Your Chevy Colorado's torque converter is responsible for connecting and disconnecting the engine from the transmission, transferring power smoothly. When this process fails, it can lead to torque converter shudder. Causes of shuddering can include worn torque converter clutches or the gradual application of the torque converter clutch, …, This is my 2016 Sierra with the trans shuttering on the way to the dealer to get that trans fluid changed, problem is fixed after trans fluid changed, Silverado HD / Sierra HD Shudder and/or Shake - The Issue. Detailed under a new Technical Service Bulletin released on November 30th, 2023- dealers have been advised that some customers who own a Silverado HD or Sierra HD may "comment on a shake and/or shudder during steady speed and/or light Throttle Acceleration Between 25 and 50 MPH (40 and 80 KM/H).", M. Ms. Jules Discussion starter. 10 posts · Joined 2023. #1 · Jan 28, 2023. I have a 2013 that started with a weak shudder and and is now getting stronger. The only time I feel it is if the engine is accelerating. I live in an area with rolling hills, its usually felt when the vehicle downshifts or (accelerates w/ cruise control on)., Shuddering transmission when cold. Fix or replace the transmission. Hard 1st to 2nd gear change. Fix or replace the torque converter clutch. Slipping Transmission. Tighten connectivity or replace the throttle position sensor. Completely non-functioning vehicle. Replace transmission. Whining noises., June 18, 2023 by Jason. Your Chevy Silverado’s torque converter is responsible for connecting and disconnecting the engine from the transmission, transferring power smoothly. When this process fails, it can lead to torque converter shudder. Causes of shuddering can include worn torque converter clutches or the gradual application of the ..., Chevrolet Silverado 1500 (New Model) 2019 2019 SOP March 01, 2019 L3B, L84 MQE GMC Sierra 1500 (New ... TCC shudder condition to be eliminated. It is not a requirement for the dealer to drive the vehicle 200 mi ... Only select the parts that coincide with the repair performed. Causal Part Description Part Number Qty X Mobil 1 Synthetic LVATF HP ..., 1 post · Joined 2016. #6 · Jul 10, 2016. driveline vibration. I had a vibration at various speeds. After new U joints, carrier bearing, new outer wheel, tired balanced and trued, the problem went away when I changed to a 1 piece driveshaft. thanks for the recommendation. 2008 Chevy 3500. 2008 Chevy 3500 Duaramax., There is a class action lawsuit for the 8L45 and 8L90 GM transmissions due to the torque converter shudder. The transmissions were used in the following vehicles: 2015–2019 Chevrolet Silverado. 2015–2019 GMC Sierra. 2017–2019 Chevrolet Colorado. 2017–2019 GMC Canyon., December 17, 2019 - GM Attempts to Sidestep Class Action Case. In late November, General Motors pressed Michigan District Court Judge David M. Lawson to dismiss a consolidated proposed class action lawsuit alleging the automaker's 8L90 and 8L45 transmissions are defective. In its motion to dismiss, GM zeroed in on each of the plaintiffs ..., Shuddering transmission when cold. Fix or replace the transmission. Hard 1st to 2nd gear change. Fix or replace the torque converter clutch. Slipping Transmission. Tighten connectivity or replace the throttle position sensor. Completely non-functioning vehicle. Replace transmission. Whining noises., Step 2: Drain, Fluid Fill, & Circulate New Fluid. 2 a.) Remove the transmission fluid pan and drain transmission fluid again. Discard all oil. 2 b.) Install the transmission fluid pan and refill with new transmission fluid using enough volume to have oil come out of oil level check plug.