Chevy traverse shudder fix

The 2017 Chevy Traverse transmission problems are shudders or doesn't shift ... fixed income, we won't have money to fix it.. So sad. Like. Leave your ...

Rough idle, rough shift, Stabili trak, traction control and blinking engine light starting happening all at once! turns out it was just misfiring cylinders d...Save. TraverseHale · #17 · Jun 27, 2018. Hi. My 2009 Traverse is having transmission issues. We have 109,071 miles and it has started shifting hard, making noise, maybe even a smell, and missing when it goes 35-45. Seems to have problems at 3 & 5 gear and sometimes in reverse.Purchased a 2018 Chevrolet Traverse in October. Beginning within the first 30 days the car made a loud roaring noise when @ 2100 rpm and going approximately 74 mph. ... We have taken the car in 4 different times for repair and the problem has not been fixed. The car also turns itself off. The panel goes black. When we start hearing a loud ...24 thg 6, 2023 ... How to change transmission fluid on a Chevy traverse to correct a shudder issue #automotive #mechanic #codemansauto #youtube #chevrolet ...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 ...2019 Chev Traverse. At 30,000 I noticed a 'shudder' under moderate acceleration at about 15 to20mph. Believe a first - Answered by a verified Chevy Mechanic ... Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP. Connect one-on-one with {0} ... 2011 chevy traverse It seems like I have an issue with my thermostat, ...With the 2018 Traverse transmision the recommendation by GM is to change out the ATF every 45,000 miles which is an extremely short service interval. Part of the reason for the short change interval is that GM is still using a TES-389 ATF. TES-295 has 4 times the service interval in miles driven but is not available at Chevy dealers.2023-03-16. Recall no. 23V172000. General Motors, LLC (GM) is recalling certain 2023 Cadillac XT6, GMC Acadia, Chevrolet Blazer, Traverse, and 2022-2023 Cadillac XT5 vehicles. The transmission may ...

Chevy Traverse. General Discussion. 2019 Traverse Grill Replacement. 4007 Views 4 Replies 3 Participants Last post by wendycrow, Aug 14, 2020 Jump to Latest wendycrow Discussion starter · Aug 14, 2020. Add to quote; Share Only show this user. Hi, I have purchased a new grill to replace my current one that was hit by debris and broken. However ...I've read 18-NA-177 and the older 16-NA-175 and now have found that an updated version of 16-NA-175 has this cryptic advice: Important: Do NOT replace the torque converter or transmission assembly for this condition. Engineer reviews have proven that replacing the torque converter does not provide a long-term solution to TCC shudder.2020-10-29. Recall no. 20V668000. General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 ...Hydra-Matic 8L90 and 8L45 transmissions allegedly slip, jerk, kick and shudder. January 2, 2022 — A GM 8-speed transmission lawsuit alleges several Cadillac, Chevrolet and GMC models are ...Hydra-Matic 8L90 and 8L45 transmissions allegedly slip, jerk, kick and shudder. January 2, 2022 — A GM 8-speed transmission lawsuit alleges several Cadillac, Chevrolet and GMC models are ...K. kpk106 Discussion starter · Feb 12, 2015. I brought my 2010 Traverse to the dealer due to an odd noise and was told that the rear differential fluid was low (nearly empty) and that everything was ground down to the extent that a complete rear end overhaul was required. I was quoted $4,600 and have no idea if this is a fair or accurate price.K. kateweber Discussion starter · Oct 13, 2022. I have 2019 Chevy Traverse, purchased a year ago in Oct 2021. Shortly after started noticing a shudder. Returned to dealer, they said it was an issue with a recall on transmission fluid and to drive it for 1000 miles at least before it’ll go away.

2023 Chevrolet Traverse transmission services offered by Nalley Chevrolet: Transmission Repair; Transmission Fluid Change; Transmission Filter Replacement ...A shake and/or shudder during light throttle acceleration between 48 and 104 km/h (30 and 65 mph) steady state driving when transmission is not actively shifting gears. A shudder feeling that may be described as driving over rumble strips or rough pavement. A shudder feeling that is evident in both Drive and M5 mode.SlickMod Chrome Delete Blackout Vinyl Overlay for 2018-2022 Chevy Traverse Window Trim (Satin Black) Brand: SlickMod. 3.7 3.7 out of 5 stars 8 ratings. $59.95 $ 59. 95. Brief content visible, double tap to read full content. Full content visible, double tap to read brief content.2018 – Shudder and vibrations (including a loss of power) Best Years For Chevy Traverse. ... For the Chevy Traverse, the average repair bill varies anywhere from around $1,500 to $6,000 if significant repairs are needed. This could also be because of a leak in the steering pump, which will cost you around $1,500 to $2,000 for a repair. ...

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Transmission was replaced last year, but still had an intermittent shutter, which has gotten worse. Brought it to Chevy. They said one of the front motor mounts was bad and wanted $750 for repair. I have my mechanic looking at it tomorrow and hopefully he can replace if it needs it. Chevy said shutter was due to bad motor mount.Sparkle1010220 · #4 · Feb 27, 2019. I have a 2016 traverse, was having problems with my car shift out of gear. Took it to the Chevy dealer and they told me it was only my torque converter, they fixed it (was covered under my 100,000 mile warranty) then months later my entire transmission Went up. They replaced that for free after I complained ...2011 Chevrolet Traverse 4dr SUV. 281-horsepower 3.6L V6 6-speed shiftable automatic AWD. 23800 mi. Rubbing noise when turning steering wheel at low speeds. Inspected, attempted adjustment not effective, new Rack and Pinion gear ordered and installed by dealer. Problem corrected.Subject: Tachometer Fluctuation, Shudder Sensation Models: 2012 Buick Enclave 2012 Chevrolet Traverse 2012 GMC Acadia Equipped with Automatic Transmission (RPOs MH6, MY9) Condition/Concern Some customers may comment on either of the following while driving at steady speeds of approximately 64-96km (40-60mph) and 1,500 engine RPM:

When a P0741 code is active, it means your automatic transmission system’s torque converter is malfunctioning. Inside the torque converter, a fluid coupling mechanism is tasked with connecting your engine to your transmission. This adds efficiency to your vehicle. A P0741 code is one of the most common OBD2 trouble codes found in …This weekend we went on our first long trip with the Traverse. We drove 2240 kms (1392 miles). Got great fuel economy and super comfortable trip. However, on the way there the Lane Departure System stopped working. On the way back, the Traverse started to experience shuttering (shaking) while on cruise control as it attempted to downshift when ...Jan 20, 2018 · S. Scott Wothe Discussion starter · Jan 20, 2018. 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. Chevy Traverse. General Discussion. shudder fix worked but now rpm needle jumps up and down. 7217 Views 13 Replies 5 Participants Last post by timon0882, Apr 12, 2021 Jump to Latest timon0882 ... I put a tube of "Shudder fix" and it instantly went away, that means it is not a bad axle or motor mount or shaft and so on as all the mechanics I ...I have a 2015 Chevy Traverse with 104,000 miles. What would cause the transmission to shudder between 25 and 45 miles an hour. This usually happens after letting off of the gas and shudders when I start to accelerate. ... I did try the shudder fix and it did not fix my issue. Gary was right that my torque converter was going bad. I did have the [email protected] · #18 · Nov 26, 2022. rdy105 said: Torque Converter replaced. Turns out that our 2013 Traverse was still under warranty, since it was a fleet vehicle before we bought it. Dealership replaced the torque converter (and 3-5-R waveplate) under warranty in April. Shudder is gone.Failure Date: 09/23/2011. The 2009 Chevrolet Traverse has known steering problems, power steering pump, gears, etc. In talking to the local dealership, chevy knows of this issue but continues to offer no assistance in a solution. According to the service technician, the problem is based on a poor design in the pump housing and gear assembly ...Vehicle Information Shudder Test Conditions Pico-scope Make App Eng Type Eng RPO Trans RPO Gear Eng Mode (V4, V6, V8) Trans Input Speed (rpm) Vehicle Speed (mph) Eng Torque (Nm) Meas Freq (+/-2 Hz) Chevrolet Corvette Z06 8 CYL. SCHGD LT4 M5U 8 V4 (Eco Driving Mode) 1000-1800 40-80 125-250 28 Chevrolet/ GMC Silverado/ Sierra 8 CYL. NA L83 M5U 8 ...

2019 Chev Traverse. At 30,000 I noticed a 'shudder' under moderate acceleration at about 15 to20mph. Believe a first - Answered by a verified Chevy Mechanic ... Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP. Connect one-on-one with {0} ... 2011 chevy traverse It seems like I have an issue with my thermostat, ...

how to change transmission fluid on a Chevy traverse to correct a shudder issue #automotive #mechanic #codemansauto #youtube #chevrolet #transmissionMItraverse Discussion starter · Nov 12, 2014. New to the group and have read through the topics and posts with much interest but at this moment my 2009 Traverse is at the dealership after I managed to get it there without a tow. Out of the blue the vehicle went into Limp Home Mode. This happened to me with my 2012 Malibu also in 2013.General Motors is facing a new class-action lawsuit over claims the automaker shipped vehicles with faulty eight-speed automatic transmissions. GM eight-speed automatic transmission. This class ...The SUV's timing chain was stretching out, leading to ongoing problems with cam sensors and actuators. The overall problem occurred with 2007-2009 GM SUVs, including the 2009 Chevy Traverse and similar vehicles with 2.8L and 3.6L dual overhead cam engines. Chevrolet initially believed the timing chain wear was happening because the engine ...This bulletin applies to 2015-2018 Chevy Silverado trucks equipped with an automatic transmission. Some customers may comment on a surging condition that is felt when driving. During diagnosis, the technician may determine this as a torque converter shudder.The GM 8L45 eight-speed automatic transmission. According to TSB (Technical Service Bulletin) 18-NA-355, the latest update addresses “torque converter clutch (TCC) shudder conditions on 8L45 and ...1. loveroftravels1 · #36 · Nov 6, 2020. dmdelker said: I have a 2018 Traverse that intermittently has transmission issues in the lower gears as you pull away from a stop. What it does is "stutter" through the shifts between gears up to 20-25 mph. I took it back to the dealer and they said it was the adaptive learning system and it was normal.

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B. bfuentes Discussion starter · Sep 20, 2019. Has any had any experience with dealing with transmission shudder on their Travers. I have a 2011 LT AWD, factory tow package. Last winter I noticed an intermittent vibration. I had tires changed out and seemed to help but after a while it got progressively worse.flyfishmich · #6 · Mar 30, 2019. Irl4512 said: 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.6t75 extreme shudder from transmission,no transmission codes60,000 miles. The contact owns a 2014 Chevrolet Traverse. While driving approximately 35 mph, the steering wheel seized without warning. The vehicle was taken to an independent mechanic, but was ...4X4 Not Engaging. Another issue with the 6T70 was with the 4X4 system. Some of the Crossover Utility vehicles that this transmission was used in were not able to go into 4X4. So, if you drive a vehicle with a 6T70, do keep an eye out for such problems. The 6T70 is a six-speed automatic transmission.Chevrolet Silverado LD 2014 2018 Chevrolet Suburban 2015 2018 Chevrolet Tahoe 2015 2018 GMC Sierra LD 2014 2018 GMC Yukon, Yukon XL ... No Repair Required 0.1-1.0 ZREG N/A 9900536 Vacuum Pump Replacement Add: Perform Brake System Vacuum Source Test 1.3 0.1-1.0 ZREG N/AIt could be an issue with your brakes themselves including the brakes lines needing to be replaced. It may also be an issue with your brake rotors if you notice the steering wheel especially shaking whenever you apply the brakes. Faulty brake pads can cause vehicle shaking when you brake. Misaligned or bad brake calipers can lead to shaking.International Lubricants Inc. 309 South Cloverdale Street #D31, Seattle, WA 98108 US & Canada 1-800-333-LUBE (5823) 1-206-762-5343 ….

Aug 13, 2019 · The GM 8L45 eight-speed automatic transmission. According to TSB (Technical Service Bulletin) 18-NA-355, the latest update addresses “torque converter clutch (TCC) shudder conditions on 8L45 and ... To diagnose the U0284 Chevrolet code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.GM Expects 2024 Chevy Traverse Will Attract More Male CustomersSeptember 17, 2023; ... TSB Seems To Fix 8-Speed Automatic GM Transmission ProblemsAugust 13, 2019;2015 Chevrolet Traverse 4dr SUV. 281-horsepower 3.6L V6 6-speed shiftable automatic AWD. 71238 mi. C $1105. Diagnosis fluid leak from rear transaxle 69.95,torque tube seal replace, clean oil residue off housing and tube, labour $234+ parts 11.42+18.65+68.65 +eng shapoo 7.76+ env fee .45, replace RR axle seal -parts seal 96.76- 75W90 syn axle ...Anyone who owned or leased a 2015 to 2018 Chevy Traverse and experienced power steering problems. Drivers have reported that the power steering in these vehicles tends to fail after about 30,000 miles. GM said it would make free repairs on the vehicles, which may include replacing the power steering motor, steering column, or power steering motor control unit. It said it will reimburse ...Chevy Traverse. General Discussion. shudder fix worked but now rpm needle jumps up and down. 7217 Views 13 Replies 5 Participants Last post by timon0882, Apr 12, 2021 Jump to Latest timon0882 ... I put a tube of "Shudder fix" and it instantly went away, that means it is not a bad axle or motor mount or shaft and so on as all the mechanics I ...Many Chevrolet cars with 8-speed 8L90 and 8L45 transmissions suffer from an issue known as ‘Chevy shudder.’ Several symptoms may occur during gear shifts, including shaking, juddering, and harsh shifting. In some cases, there even might be a noticeable clunk. This issue affects all gears, although more noticeable in 1st and 2nd gear.HenryT · #20 · Feb 9, 2019. Latest Trans Shudder TSB. Yes the procedure is pretty specific on the trans flush as to method, equipment and fluid. Thanks to another member for posting these files which are the actual TSBs with the procedure outlined for different vehicles. View attachment TSB # 18-NA-355 Part 1.pdf.I've read 18-NA-177 and the older 16-NA-175 and now have found that an updated version of 16-NA-175 has this cryptic advice: Important: Do NOT replace the torque converter or transmission assembly for this condition. Engineer reviews have proven that replacing the torque converter does not provide a long-term solution to TCC shudder.Chevrolet Blazer 2019 LGX M3V Traverse LFY M3V GMC Acadia 2020 LGX M3W Involved Region or Country United States, Canada, Mexico, Europe, Kazakhstan, Uzbekistan, Russia, Middle East, ... driven after the drain and fill to confirm the repair. If confirmed to be a TCC shudder and/or Poor TCC Control DAMAGED CONDITION while monitoring Chevy traverse shudder fix, K. kpk106 Discussion starter · Feb 12, 2015. I brought my 2010 Traverse to the dealer due to an odd noise and was told that the rear differential fluid was low (nearly empty) and that everything was ground down to the extent that a complete rear end overhaul was required. I was quoted $4,600 and have no idea if this is a fair or accurate price., Problem Description. A shudder or vibration may develop while driving at speeds between 35 and 40 MPH. Our technicians tell us this condition is commonly caused by a failed automatic transmission torque converter. It is recommend to replace the torque converter and install an updated powertrain control module (PCM) to correct this concern., to base braking in the event of a failure. The master cylinder pressure sensor. performs a self-test by sending a series of specific voltage signals to the. EBCM, each for a predetermined amount of time. This phase of the power-up. self-test may be heard by the driver, depending on how soon the engine is., Any of the Colorados/Canyons from 2017-2019 with the 8 speed transmission and a build date before 3/1/2019 have the potential of the shudder from the original fluid. Starting on 3/1/2019 the factory is installing the new fluid. 2019 Colorado Z71 CCSB, Crush Orange, 3.6L V6, 8 spd auto, 4WD., 3. Fouled Spark Plugs or Coils. The spark plugs are used to ignite the air and fuel mixture entering the combustion chamber. Once the plugs are worn, engine misfires can occur, leading to engine vibration. This vibration can cause RPM fluctuations, and it will feel like the engine has a mind of its own., 1 - 10 of 10 Posts. MIKE91B · #2 · Jul 14, 2017. If the vibration is felt in the steering wheel it typically is not the TCC. However this can have variables. The 6L80 and the 8L90 are drastically different and I can tell you the TCC apply strategy is different between the two transmissions., 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., Subject: Shudder, 2-3 Upshift or 3-2 Downshift Concern Brand: Model: Model Year: VIN: Engine: Transmission: (6T70, 6T75 or 6T80 Automatic) from to from to Buick Enclave 2014 2017 — — — M7V, M7X LaCrosse 2016 M7U, M7W Regal 2017 M7U, M7W Cadillac SRX 2014 2016 M7U, M7W XTS 2019 M7U, M7W, M7V, MHM Chevrolet Equinox 2014 2017 M7U, M7W Impala ..., Recalls & Safety Issues. This is a record of safety issues for vehicles of this year, make, model and trim. If you are a vehicle owner, search for recalls by your Vehicle Identification Number (VIN)., Subject: Tachometer Fluctuation, Shudder Sensation Models: 2012 Buick Enclave 2012 Chevrolet Traverse 2012 GMC Acadia Equipped with Automatic Transmission (RPOs MH6, MY9) Condition/Concern Some customers may comment on either of the following while driving at steady speeds of approximately 64-96km (40-60mph) and 1,500 engine RPM:, Automatic transmission. 50 miles. On Friday Dec 1, 2017 we picked up our 2018 Traverse Premium. After 50 miles the engine light came on and transmission failed as if it was in neutral and we ..., I have just over 76k and never an issue. The 8 speed behind the gas engines is the transmission with the shudder issues, and lots of them. I would say flush and fill with mobil 1 synthetic or some other fluid recommended here. I understood that the mobil 1 was what GM was saying was needing to be changed to., The mechanic also informed us that we will eventually need a $700 repair for the control arms in the rear suspension -- ge has corrected a known fault in the parts. All this is on top of a $3000 repair done in April 2015 at 92,500 mi. For known steering defects. In that case, as the Traverse warmed up, the power steering got hard to turn., My dealer in Indianapolis quoted just under 500.00, claiming the repair would take 3 hours. The bulletin put out by GM states the parts (2) are under 30.00 and time to repair is .08 hour., 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 ..., 4X4 Not Engaging. Another issue with the 6T70 was with the 4X4 system. Some of the Crossover Utility vehicles that this transmission was used in were not able to go into 4X4. So, if you drive a vehicle with a 6T70, do keep an eye out for such problems. The 6T70 is a six-speed automatic transmission., The complexity of transmissions, along with how difficult they are to repair, makes recurring transmission problems a major red flag for used car shoppers looking to put a Chevy Traverse in their ..., TSB ID: 17NA314. This technical bulletin provides a procedure to replace the power brake booster vacuum check valve and hose to correct a condition of intermittent service power brake assist message with a brake shudder and possible dtc p0557 set/stored due. 04/23/18. NHTSA ID: 10134614. TSB ID: 17NA333., Subject: Shudder/Surging While Driving Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Express 2015 2020 MYC, MYD Suburban Silverado 2018 Silverado LD 2019 2019 Silverado 2500/3500 Silverado 1500 (New Model) 2019 2020 Tahoe 2015 GMC Savana 2015 2020 Sierra 2018 Sierra Limited 2019 2019 …, C. chevy454 Discussion starter · Mar 23, 2011. My wife has a 2009 AWD Traverse, and when we first got it the power steering whined slightly, and I had it back to the dealership to be checked to be bled (air), as our 2010 had a severa air+ps problem. Well, I rarely drive it, but we took it to Florida last week on vacation and it drove me NUTS., Transmission Shudder Service UPDATE "new service bulletin" for Chevrolet Cars Trucks and SUV's 2022. The dealer informed me there was a new transmission fix for the automatic 8 …, GM Expects 2024 Chevy Traverse Will Attract More Male CustomersSeptember 17, 2023; ... TSB Seems To Fix 8-Speed Automatic GM Transmission ProblemsAugust 13, 2019;, Other Power Train related problems of the 2016 Chevrolet Traverse. Power Train problems. 13. Transmission Failure problems. 3. Transmission Fluid Leaking problems. 1. Automatic Transmission Torque Converter problems. 1., We've listed the Chevy Traverse years to avoid if you are buying a used version of this vehicle on the market. The Chevy Traverse years to avoid include: 2010. 2009. 2012. 2015. 2018. 2011. These are some of the worst years that have been created for the Chevy Traverse., 2018+ Chevy Traverse General Discussion. *2020 Traverse: This ONLY occurs after auto-stop has engaged. When the brake is released and engine engaged… then the "Service ESC" warning comes on and then goes off almost immediately. It doesn't come on at any other times and there doesn't appear to be any other issues. 3., 2012 traverse, engine shudder at 40 mph and 60 mph, recently had plugs replaced and injector service, just now replaced - Answered by a verified Chevy Mechanic ... Chevy. Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP. ... my 2012 chevy traverse was dying out and stalling under 30 mph, ..., To prevent transmission shudder and prolong the life of your Chevy Colorado's transmission, it is essential to perform regular maintenance. This includes: Changing the transmission fluid every 45,000 miles, using the appropriate fluid for the transmission model. Inspecting and addressing any leaks or issues with the transmission system promptly., Instant Shudder Fixx Series on YouTube. Many of the reviews reported variable durations of time when it came to shudder-free driving. Anywhere from one day to a year and a half. One day passed and then another. After a week of not feeling a single shudder, I posted a YouTube video about it. As of 1/3/2021, I have driven 4,500 miles and posted 6 ..., Chevrolet Equinox 2014 2017 M7U, M7W Impala 2019 M7W Malibu 2015 M7W Traverse 2017 M7V, M7X ... TEHCM replacement has not been an effective repair for the above ... is not isolated to be an engine misfire, driveability concern or TCC shudder concern, DO NOTreplace the TEHCM. • If the shudder can be induced during a power braking event in ..., Chevy Traverse. General Discussion. shudder fix worked but now rpm needle jumps up and down. 7217 Views 13 Replies 5 Participants Last post by timon0882, Apr 12, 2021 Jump to Latest timon0882 ... I put a tube of "Shudder fix" and it instantly went away, that means it is not a bad axle or motor mount or shaft and so on as all the mechanics I ..., Chevrolet/ GMC Colorado/ Canyon 6 CYL. NA LGZ M5T 8 V6 1100-1500 42-55 150-250 25 Cadillac CTS 6 CYL. NA LGX M5N 8 V6 1100-1500 42-55 100-250 23 Cadillac CTS 4 CYL. ... Note: Shudder should improve directionally right away, but for full affect the vehicle may need to be driven up to 322 km (200 miles) and at least two cold to …, Nov 11, 2022 · Fortunately, fixing a transmission shudder is as simple as replacing the contaminated fluid with a fresh one. This fix works if the shuddering transmission is caused by contaminants in your fluid. If the problem is caused by low transmission fluid levels, you need to fill it up to the required level. , GM Transmission Class Action Lawsuit. A class action lawsuit (Speerly v. General Motors LLC (ED MI. Case No. 2:19-cv-11044-DML-DRG)) was filed on April 10, 2019, which was consolidated with class action lawsuits filed by several other consumers on behalf of people who purchased or leased certain cars equipped with an 8L45 or 8L90 GM transmission.. In September 2019, the plaintiffs filed an ...