Gm 8 speed transmission shudder fix. short video showing where to add Dr.

Gm 8 speed transmission shudder fix Sponsored. This topic has 5 Subscribe to GM Apr 27, 2024 · I have a 2019 chevy camaro with this 8 speed transmission when I Stat to drive the transmission misses 2nd gear on the freeway in 8th gear it bogs out shudders really bad it really is dangerous Jan 25, 2021 · My 2016 6-speed had the shudder too. midenginecorvetteforum. Jun 27, 2022 · General Motors has published multiple technical service bulletins pertaining to torque converter clutch shudder issues in their 8-speed transmissions. I had the shudder/vibration issue with the transmission. I changed the fluid (pretty much brown at this point) and filter and back to no shudder again. Oct 11, 2019 · Typically, the shudder will occur during light throttle operation at 20-80 mph (typically 40-50 mph) with the transmission between 122°F – 158°F (50°C – 70°C) operating temperature. It was fixed immediatelyno more shudder. 8 speed on a 17’ Silverado LTZ Z71…the new transmission was much better, but far from perfect. THOSE have a known shudder issue that is torque converter related that is "fixed" normally by a flush (proper flush with a GM machine) with Mobil1 LV HP fluid as well. Shift the transmission into Park. The 8 speed is a pretty good transmission. As an anecdote, I bought a 2017 8 speed WT new. Mar 17, 2024 · Solving shuddering 8-speed transmission on 2018 chevy colorado2019 chevy colorado transmission shudder Speed transmission automatic corvette converter torque 8l90 gm eight failure boost monkey a8 stingray c7 possible highway mpg faster getsGm 8 speed transmission problems leads to another class action lawsuit. Cheaper to settle lawsuits than make it right by their customers. Do at least 3 drains and fills. It really comes down to how well the customer is driving the vehicle and the care put into them. Bulletin number 18-na-355. Shuddering continues as speed increases, but C7 General Discussion - 8 Speed shudder fix from GM - Good morning. 80 for a 8L90 ransmission flush & fill with a new filter on a 2020 Silverado 1500 RST. 1. In addition, several class actions filed in 2019 were consolidated into one lawsuit. 32. Dec 15, 2020 · GM 8 Speed TCC Shudder fix claims by Lube Gard to appear at his dealer and possibly having a transmission nightmare, or getting a Taco today, well, the sales Apr 4, 2022 · Lubegard 8-Speed Transmission Shudder Solution! Oct 28, 2020 · In this case unfortunately, there is no 100% solution to the 8 speed or 10 speed shift quality issues. Totally on brand for GM. Jun 17, 2022 · Welcome to the GM eight speed torque converter shudder solution by LubeGard. In most cases, transmission shudders occur when shifting your vehicle into overdrive or when you drive up an inclined surface while your vehicle is already in overdrive. Sep 9, 2024 · 2017 Silverado TCC 8 speed transmission Shudder issue -UPDATE-The. We flushed & replaced the transmissio transmission (Reducing fluid level in the TransFlow from 12–8). A transmission flush with the new transmission fluid fixed both of them. Feb 29, 2020 · More reasons to service your transmission. Just glad she's running right again. Slipping Transmission Issues. Apr 9, 2021 · The good news is that your GM dealer can easily fix the problem and it will be covered under warranty. It appears the problem is Sep 11, 2019 · At 20k miles and pushing over 1000 crank hp through the trans, the shudder came back. These upgrades include increased clutches and different clutch materials for performance applications. Automatic with Dipstick, Pedal Commander, BakFlip G2 Tonneau, Elite CC, Tow Mirrors, Cargo Floor, DeeZee Bed Mat, (-) Airdam, Tow Hooks, Towing Starcraft AR One 18QB TT, 1955 Chevrolet Bel Air 283 V8 3 Spd. At first the dealer flushed transmission fluid, but not with the updated correct fluid. Check Details Dec 4, 2024 · Have a 2015 Z-71 bought new…. 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. Mar 11, 2023 · Today Derek talks about a recent project we've done in our shop on a shuddering transmission in a 2018 Chevy Colorado. RWD Black, (Sold)1992 Eagle Talon ESI 2. jpg photo byTransmission shudder and how one man fixed it with two fluids. Nov 23, 2020 · I've got a 21 Canyon AT4 V6, 8 speed auto with an issue, though it seems to be different than the common shudder issue on the earlier 8 speed trucks. 3. Turbine Speed 4. White, (Junked)1983 Dodge Colt 1. Check Details. I talked with GM customer service and worked out an assisted trade. Dec 17, 2022 · Transmission quality has gone up. It seems a fair number of GM 6, 8 and 9 speed transmissions are suffering from transmission or torque converter shudder. Dealership changed fluid and did what they could but eventually handed me the gm letter saying the transmission acted properly…. C7 General Discussion - 8 Speed shudder fix from GM - Good morning. I initially put in a 2 oz red bottle of the Intstant Shudder Fixx. If you do a search you will find 1,000 of leads on this very subject but suffice to say GM had to go to Mobil for a special version of Dexron HP which is required for the 8sp. 2L 8 speed that both got the shudder at 50 mph and 1200 rpm. 0 LZ0, 6'6" Bed in Pacific Blue, Titan 43 gallon fuel tank. I just got a GOPRO HERO 8 Black and this was a test video. 6 speeds are hit or miss. I assume that means the latest Mobil1 HP. 2 Engine, 8 Speed, 4 door, 4WD and since I got it have had shudder, slams into gear, etc. 6 with the 9 speed I absolutely love the car, but I checked the transmission fluid right after buying and noticed it was not clean/changed. Nov 8, 2022 · Hey guys I just recently purchased a CPO 2019 traverse 3. Nov 6, 2022 · Not sure about the 10spd, but the 8 and 9 spd's had a shudder problem (with TSB's) at light throttle and between 20-40mph, usually 3rd or 4th gear. Jul 15, 2019 · Stellar Automotive Group. If anyone one is interested I will do a tutorial on exactly what you need to do. Some other interesting take aways from their flyer: - they claim to be able to reproduce the shudder with the "recommended" ATF. Start the engine. Now as far as my truck I ended up performing two flushes with Dexron-VI and also added a deep pan and dipstick which is not relevant to the shuddering. Still upshifted and downshifted at will. I was was quoted by my dealer originally $191. how to. 8L I4 FWD 5 Speed Man. Mar 16, 2021 · Here are my specific questions after my travels down internet wormholes on GM's 8-speed transmission problems: fix. TIP: Mobil 1 Synthetic LV ATF HP transmission fluid is required for all 8-speed transmission repairs regardless of the repair being completed. Jun 16, 2022 · Welcome to the GM eight speed torque converter shudder solution by LubeGard. kept. 17. Lower the vehicle to a safe level on the hoist and operate the transmission through all 6 gear forward ranges, reverse and neutral. Non-moisture resistance to GM branded Dexron fluid was blamed to the shudder. The Hydramatic 8L90, 8L80, and 8L45 eight-speed have registered thousands of complaints. When it returned, they noted metal and replaced the Torque Converter. Checking out GM TechLink this morning I came across the following article anouncing a fix for the Corvette's 8 Speed Auto Shudder . While it was there the last time for almost a month they gave me a 2021 as a loaner which was a trick. did GM really fix the 8-speed The 8 speed had shudder Nov 27, 2024 · The shudder seems to have returned, and I am sure GM will not do anything more with my truck. It may take Apr 24, 2023 · 1) drop the transmission and replace the TC. 8 and 10 speeds are a solid transmission. Descriptions like “slip, buck, kick, jerk, and harshly engage” leave little to the imagination. Then I finally switched over to Mobil One HP LV. A transmission shudder is when your vehicle begins to wobble and shake Mar 10, 2021 · The bottom line on the GM 8-speed transmission. Oct 20, 2021 · The 8 speed came with the DEX LV HP fluid that was hydroscopic, which is why Mobil came out with the new "blue label" LV HP fluid to fix that. Shop Owner: shopownermag. Engine Speed 3. 2 gasser Colorados, my diesel Canyon, a BMW and a Camaro. 2 with 8 speed just started the torque converter shudder at 35,000 miles. I have just over 76k and never an issue. It’s a better fluid than the dex 6 is and it is only used for the 8 speed transmission for Gm transmission. If engine torque is larger than +- 25 Nm while no gear shift is active, and throttle is relatively constant the issue most The GM transmission shudder may finally be a thing of the past and an experience never forgotten. 1k miles ago the truck began to shudder at low speed. There’s seems to be lot going on with this transmission, and while the GM 8-speed transmission isn’t in every Sierra and Silverado, it’s going to be in a lot of them – especially the less expensive models since this transmission is most frequently paired with the 2. The GM "fix" is to flush out all the crappy Dex VI we've been discussing and putting in Mobil 1 Synthetic LV ( Low Viscosity) ATF. Mar 21, 2023 · If you are in the market for a Chevrolet Colorado, Chevrolet Silverado, GMC Sierra, GMC Yukon, GMC Yukon XL, GMC Yukon, Cadillac Escalade and more vehicles, Dec 19, 2024 · I have a 2016 Silverado with 8 speed transmission and it shudders like a whore in church. I think it took 3 blends. I experienced this first hand with the shudder (rumbled strip like feeling) in my 2016 Camaro, and the shift issues in my 2018 Canyon. Aug 14, 2019 · The issues with the 8-speed GM transmission are two-fold. This was a 100% business decision as GM only applied the fix to Feb 13, 2019 · The Mobil 1 Synthetic LV ATF HP fluid and the required tool kit will be available to all Canadian dealerships by the end of March 2019. 6. Jul 4, 2021 · I have a 2016 Z71 LTZ with the 5. com Jul 12, 2023 · Never had the shudder issue again for the next 4 yrs and 75,000= miles. Shudder is now gone and we are currently at 101000 miles. GM fought that the shifting was normal and not a “defect”, unbelievable 6 litre engine and an 8 speed transmission Jun 25, 2024 · There's quite a few 8 speed owners who have had a flush only for it to shudder 10 to 20K miles later. It The GM 8-Speed TCC Shudder Solution THE RESULTS ARE CLEAR Lubegard Platinum ATF Protectant significantly reduces torque converter clutch shudder and slippage. I had a couple friends that had the issue and the flush did not work. The 8 speed behind the gas engines is the transmission with the shudder issues, and lots of them. DR TRANNY LUBEGARD AUTOMATIC TRANSMISSION INSTANT SHUDDER FIX 6 PACK. Oct 18, 2022 · The ones from 2012 to 2022 use an 8-speed 8L45 automatic, a 6-speed 6L50 automatic, and a 6-speed Eaton N8D manual. Meanwhile they've had the fabulous 10-speed since 2018 and it keeps getting better. GM dropped the ball on the software that controls those transmissions and no tweaking Quick overview of preventative and corrective actions for GM 8 speed torque converter shudder problem by replacing Dexron fluid with blue label Mobil 1 Synth Jun 24, 2022 · Welcome to the GM eight speed torque converter shudder solution by LubeGard. Dec 14, 2020 · I have a 2017 Silverado LTZ, 6. The dealer has tried several times to fix this problem but it is still there. This 2015 with Nov 10, 2023 · GM issued TSB 18-NA-355 to address “torque converter clutch (TCC) shudder conditions on 8L45 and 8L90” eight-speed automatic transmissions. We disconnect the cooler lines at the case, hook a machine up and exchange 20 quarts of fluid. It took the shudder away somewhat and then I added the 10 oz bottle of the platinum and my shudder and clunky shifting went away. every vehicle (no matter if $100K Escalade to a Colorado WT) with this 8-speed has the 1st to 2nd shift issue, and no, GM is not going to fix every transmission. It’s not cheap. There is a plug and play device called a RANGE which is supposed to eliminate the engine from going from 8 cylinders to 4. The GM 8L90 and 8L45 transmissions were developed to replace earlier 6-speed automatic transmissions in General Motors rear wheel drive vehicles. 5181401 17. Dealer is agreeing it is dirty but insist GM normal maintenance schedule does not recommend Apr 17, 2024 · – Today, purchasers of new and used GM vehicles manufactured between 2015 – 2019 equipped with GM’s 8-speed transmission filed a product defect and consumer protection class action against GM for an alleged defective transmission design of GM’s Hydra-Matic 8L90 transmission or Hydra-Matic 8L45 transmission, which causes vehicles to Thanks for watching, please subscribe for more content. Before this did GM try to fix the Silverado eight-speed transmission? 2024 Chevrolet Silverado 1500 | GM. This problem affects over four million vehicles. Sep 21, 2019 · GM used an Aisin sourced 8 speed in the CTS for a year or two and they used ZF manual transmissions for several years in various platforms but the 8 speed auto in the ATS is the 8L45 which was designed and produced in house by GM, it is nearly identical to the 8L90 which was introduced for use in the Corvette and other higher output engine Jul 7, 2004 · Solution for GM 8-Speed Transmission Shudder Lubegard. Add a maximum of 5 quarts of HP fluid to the transmission while allowing 5 additional quarts of oil to fill the DT-graduated bucket (Reducing fluid level in the TransFlow from 8 – 3). I spent four model years casually browsing transmission options, waiting for the 8-speed to die and it just. Oct 4, 2019 · Thanks for this. I will also install my good TC at the same time. On the highway it ran great. Transmission fluid changes often solve shuddering problems in these transmissions. Remove transmission oil pan and drain, clean pan and replace the transmission filter. After implementing several fluid revisions, GM’s latest solution (TSB 18-NA-355) is lengthy, complicated, and expensive. Secondly, the shifts are very harsh between first to second, and then second down to first, especially when accelerating and the transmission is upshifting or decelerating and the transmission is downshifting. Officially, the Hydra-Matic 8L90-or 8L45 for lighter-duty applications-has replaced the entire 6-speed lineup with the task of improving fuel economy, performance, and driving dynamics of the installed vehicles. I don't know how much you can drain versus your transmission capacity. I want to SHARE your CAR! Send me a link on instagram - https://www. Pedal Record a GDS session log and monitor engine speed, transmission input speed and engine torque. We are snowbirds from Canada, travel 2100 miles to Florida and back and Oct 16, 2024 · Superior Transmission Parts has introduced a new line of Reinforced Plate-Gard dampener kits for GM 8L45 and 8L90 transmissions. It appears the problem is Jan 14, 2023 · By 2022, GM had issued over 60 technical service bulletins for its eight-speed automatic transmission. Dec 21, 2022 · Since you have the 6-speed in your diesel, your shudder is tottaly different then what the majority of Colorado/Canyon owners experience with the 8-speed in the V6 as well as the resolution, which I have no idea what the 6-speed resolution is. 3 & 8 speed transmission shudder problem. So far no shudder on the ZR2. 946 liter bottles will be provided at that time. Dec 1, 2020 · Transmission: (8-Speed from to from to Automatic) Cadillac ATS 2016 2019 — — All M5N, M5U CTS 2016 2019 M5N, M5U CT6 2016 2018 M5N, M5X CT4 2020 2022 M5N 31. You should see results right away. Using care, shift the transmission through all forward ranges and Reverse. . As the vehicles attain higher mileage they get worse from what I have read. It appears the problem is The 8L90 GM 8 Speed SHUDDER~SOLUTION™ kit with Flow~Corrected™, recalibrated STEADY~STREAM™ circuit Recalibrated TCC Lock/release system (Patent-pending) with Features to Correct and Prevent: • Shorter TCC apply / release cycles, as close to an on/off apply feel as you can get… with durability The GM 8-Speed TCC Shudder Solution THE RESULTS ARE CLEAR Lubegard Platinum ATF Protectant significantly reduces torque converter clutch shudder and slippage. Related Articles – GFX introduces U880E steel plates – GFX offers new gear for Toyota U660E – BendPak introduces new two-post lifts The company says these kits (part no. If the converter is in full lockup (0 RPM slip), such as when engine speed exceeds 1600 rpm, the shudder will disappear. fluid in the bulletin for 8-speed transmission shudder. These problems often include slipping gears, shuddering sensations, and faulty torque converters, among other concerns. 36. I googled it and had it flushed which fixed it for 150k miles. comLubeGuard: lubegard. Besides torque converter shudder and minor shifting issues I haven't seen many internal failures. in Oct 21, 2014 · GM used an Aisin sourced 8 speed in the CTS for a year or two and they used ZF manual transmissions for several years in various platforms but the 8 speed auto in the ATS is the 8L45 which was designed and produced in house by GM, it is nearly identical to the 8L90 which was introduced for use in the Corvette and other higher output engine Mar 22, 2023 · The GM 8-speed transmission saga took another turn with a judge granting class-action status for lawsuits affecting 800,000 Chevy, GMC trucks and SUVs. Aug 13, 2019 · The 8-speed GM transmission has often been criticized for exhibiting shuddering and harsh shifts, but a new fluid flush may fix the issue outright. General Motors has issued multiple technical service bulletins on torque converter clutch shudder in the 8-speed, 8L45 and 8L90 transmissions. Feb 8, 2019 · The new service procedure addresses shake and/or shudder conditions during light throttle acceleration between 25 and 80 MPH (40 and 128 KM/H) at a steady speed when the transmission is not shifting gears. You asked for information on the complaint of Transmission Shudder. When fluid levels are low or the fluid has become contaminated with dirt and debris, it can’t properly lubricate the transmission’s internal Apr 25, 2018 · This round of “Ask Al” focuses on the Camaro 8-Speed Automatic Transmission. Nov 16, 2002 · When the shudder problem first arose in the early 8 speeds and GM determined a switch from Dexron VI to the Mobil 1 LV ATF (blue bottle) was the fix. Install the level set plug and tighten to 9 Nm (80 lb in). 4. They will then check the transmission fluid levels and ensure there’s enough in the system. GM 8-Speed Transmission shudder, jerking sensation Jan 6, 2021 · They brought a GM ingenier to solve my problem and even he could not fix my truck. 3 V8 4WD Black, (Traded In)2001 Tahoe LT 5. I took it to dealer and they flushed the tranny with 20qrts of GM special trans fluid at no cost to me. If the dealer does not fix the issue, they are required to purchase the vehicle back from you. 6L V6 6 Spd. December 24, 2018 — A General Motors 8-speed transmission lawsuit alleges fixes offered by the The original shudder fix For long term benefit, use with LUBEGARD ATF Protectant P/N 60902 or LUBEGARD Platinum ATF Protectant P/N 63010 For use in ANY automatic transmission fluid except CVT, DCT, and Ford Type F [1986 and earlier models] applications Jan 2, 2022 · Hydra-Matic 8L90 and 8L45 transmissions allegedly slip, jerk, kick and shudder. Apparently the factory fluid collects moisture and causes the shudder. Jan 22, 2023 · I have a 2018 3. You should be able to get the fluid exchanged under TSB 18-NA-355 without any cost. I wouldn't stress about it too much. Sep 9, 2024 · The plaintiffs say GM’s Hydra-Matic 8L90 and Hydra-Matic 8L45 transmissions manufactured between 2014 and March 2019 can cause vehicles to shudder, lurch forward or delay acceleration. Jul 12, 2023 · As GM Authority reported back in May 2023, General Motors was hit with a Canadian class action lawsuit related to the 8LXX eight-speed automatic transmission found in a plethora of GM vehicles Nov 2, 2024 · When it comes to the GM 6-speed transmission, a number of issues can arise that affect performance and reliability. regular services, at 98,000 miles another service, metal filings in the pan, had to replace with a rebuilt GM transmission $7,200 not counting the $500 wasted on a Jun 21, 2022 · Stop GM 8-Speed shudder with Lubegard Platinum! Jun 13, 2019 · I have now successfully fixed 6 vehicles with the 6L50 transmission. This transmission flush would alleviate the shudder experienced on GM’s Hydra-Matic 8L90 transmission or Hydra-Matic 8L45 transmission. On a cold start, the first 1-2 shift of the day has a weird hesitation to it. Technicians will disconnect the transmission cooler line, inspect it for damage, replace it if necessary, and reconnect without a twist or kink. 2. 3 and 8 speed. How I Fixed GM 8 Speed Transmission Issues (I bought a 2018 F150) - YouTube. 7-liter turbocharged engine. If you have a Cadillac, Chevrolet or GMC vehicle with an 8L45 or an 8L90 transmission, you may be included in one or more class action lawsuits. valve bodies or Jan 14, 2023 · GM Releases Fix For 2022 Chevy Silverado Poor Transmission Shift Quality Is the new 8-speed transmission a problem solver? My 23 GMC 1500 3. This problem currently affects 11 different models across 3 different OEM brands for the model years between 2015 and 2022. 34 for a transmission flush and oil change. The proposed solution was a new fluid flush, which appears to fix the issues for some customers, who have reported a dramatic change in shift quality after swapping out the juice. But it does fix the tcc shutter issues. 3. Let's hope this newer fluid is the final fix. I have a good TC that worked fine on my old transmission; 2) replace the transmission for another one- the guy that sold me this transmission should give me another one since the "warranty" period had not expired yet. I took it in last week and they flushed it once with the new fluid under warranty. GM 8L45 and 8L90 automatic transmissions allegedly shudder, jerk, hesitate and shift hard. This news, as first reported by the Detroit Free Press, is another step in the legal process on this ongoing issue. going. January 2, 2022 — A GM 8-speed transmission lawsuit alleges several Cadillac, Chevrolet and GMC models are Oct 17, 2020 · This video covers two fixes for the 2015 GMC Sierra transmission 1. That is that the controls themselves are flawed. Jan 19, 2024 · General Motors has published multiple technical service bulletins pertaining to torque converter clutch shudder issues in their 8-Speed transmissions. This is NOT the GM I 34. Jul 23, 2020 · From GM Authority: The GM 8-Speed Transmission Needs To Go Away ASAP: Opinion BY JONATHAN LOPEZ — JUN 18, 2019 It’s no secret that the GM 8-speed transmission is not great. Jul 13, 2020 · The 8-Speed GM Transmission. Those vehicles had about 25-35k miles on them. 33. 0L I4 FWD 5 Speed Man. The most common and fortunately least expensive cause of transmission shudder is an issue with your transmission fluid. The article details what shudder is, how to test for it, the cause and the prescribed fix. Cab. STL028) work in stock O. So far it has corrected the issue. Truck doesn’t shake on the interstate at 75 mph like it use to. Dec 2, 2023 · How to troubleshoot transmission problemsTransmission shudder fix that doesn't fix your shudder #transmission # How i fixed gm 8 speed transmission issues (i bought a 2018 f150)Shudder transmission fix. Lube Guard shudder fix has been positively mentioned here before. This video is sponsored by LubeGard. 8. All Others 1-330-769-8484 Aug 30, 2024 · Had the fluid flushed under warranty and that fixed a shudder at 40 mph. US & Canada: 1-800-458-5487. This problem currently affects 11 different models across 3 different OEM brands for the model years between 2015 and 2019. Feb 22, 2024 · While that TSB is four the 8 speed transmission, I still recommend new fluid as a first step. Brief video showing automatic transmission fluid flush to change fluid type per bulletin. Jun 23, 2020 · As of July 8th, 2019, GM began using a new type of Mobil 1 automatic transmission fluid for the troublesome transmissions. Apr 21, 2023 · So for the 2024 Chevrolet Silverado and related vehicles, GM is switching over to the 8L80 eight-speed. I've only had to do 2 valve bodies in 8 speeds and a front cover/pump in a 10 speed for a whine noise. Torque 2. Shut the engine off once 16 quarts of fluid have Mar 9, 2009 · These GM vehicles have been plagued with A8 transmission problems and nothing seems to be a permanent fix. Feb 17, 2023 · The third-generation 2023 Chevy Colorado introduces a second generation for the much-maligned GM eight-speed automatic transmission. Jan 18, 2022 · GM tech here. ” Feb 27, 2020 · TSB Seems To Fix 8-Speed Automatic GM Transmission Problems . 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 Hey guys, so I’ve started to encounter the dreaded transmission shuddering which seems to be a fairly common issue with the 2016-2017 Camaro’s and GM 8-speed automatics of around the same year. Truck is black bear tuned so before taking it in I reflashed back to stock and problem is even worse now, possibly because the reflash put trans back in to learn mode. If you are having an A8 trans issue, this could be very helpful information for you. Sep 22, 2023 · This product is specifically made for the issues we have on our GM 6 and 8 speed transmissions. Information about GM's 8-speed 8L45 M5N Hydra-Matic transmission, including details, specifications, vehicle applications, and more. Oct 14, 2018 · 8 Speed Torque Converter Shudder – New Service Procedure and New Mobil 1 Synthetic LV ATF HP Fluid Regional Rollout GM CUSTOMER CARE & AFTERSALES URGENT - DISTRIBUTE IMMEDIATELY DATE 12/12/2018 SUBJECT 8 Speed Torque Converter Shudder – New Service Procedure and New Mobil 1 Synthetic LV ATF HP Fluid Regional Rollout MODELS 8L45 and 8L90 short video showing where to add Dr. I recommend every 50k mile change interval for trans, transfer case, and both diffs. They've quoted a cost of around $600 for this service. Repeat step 17. Nov 22, 2024 · What Is The 8 Speed GM Transmission ? The GM 8-speed automatic is a high-performance automatic transmission developed by General Motors Company. Oct 6, 2019 · My 8speed just started having this issue at 57,000 miles. GM 10 Speed Transmission Problems with Best Solutions - Autto Solutions. Mar 12, 2023 · They're still being equipped with 8 speeds. It recently came back, this time at low speed going low rpm. The GM TSB called for a complete flush of the Dex VI replacing with the Mobil 1 LV. Partially lower the vehicle. The good news is that my powertrain is still under warranty. Oct 10, 2021 · Lots of threads on this issue. Symptoms of Transmission Shudder. How Long Does a Chevy Colorado Transmission Last? The average lifespan of the Chevy Colorado 8L45, 4L60-E, or 6L50 transmissions is 130,000 miles to 180,000 miles. 8 LWN Long Bed Diesel. The 8-speed is tranny flush with Mobil blue fluid The 8-speed shudder is not intermittent Dec 14, 2024 · Common Reasons of Transmission Shudder 1) Low or Dirty Transmission Fluid. Nov 15, 2020 · This isn’t to say the 6-speed hasn’t had issues, but the 8-speed is the transmission to blame for the infamous shudder (Ok, well technically the 6-speed had a shudder/programming issue, but that was fixed way back and is unrelated to the 8-speed). Had it in the shop 10 times before 30k miles because of the severe transmission issues. Latest official GM service bulletin regarding this transmission was to flush trans fluid and replace with Mobil 1 LTV HP fluid. Oct 20, 2021 · I have a 2017 and 2018 Silverado 6. 7L V8 LS1 6 Speed Man. Image Unavailable. Do a double dump (drain and fill (change the filter) run a couple hundred miles, then drain and fill again). First, some customers report the transmission shuddering frequently. First was the fluid change and flush. I had the fluid flush and replacement by the dealership, under warranty at about 60k miles. Check Details Jun 21, 2022 · The solution to this problem can be lengthy and complicated. So far this has fixed shudder and hard shifting issues in all 6 vehicles. Diagnostic Tip Engine Related Shudder– PIP5794B Camshaft Actuator 5975002 1. They allege the issues are caused by transmission fluid issues, which can allegedly cause the GM transmissions to fail to purge air properly from valve bodies. Transmission shudder: Lubegard Platinum automatic transmission fluid protectant 2-in-1 pr Jan 6, 2021 · Also known as a torque converter shudder, a transmission shudder refers to when your vehicle’s transmission begins to noticeably shake or tremble convulsively. Customer states shudder when accelerating 8L45 8L90 Sierra Silverad I learned on another video that poor fluid characteristics cause late model GM transmissions to shudder, whether under load or easy cruising. Aug 27, 2018 · On my 2016 with the 8 speed I had experienced some surging and occasional clunking mainly during stop and go traffic. Jul 8, 2024 · Gm shudder/ 8 speed transmission class action lawsuitFord transmission torque converter shudder fix 10r60 10r80 f150 mustang 2014-gm-eight-speed-automatic-transmission_zpsxciam8it. GM knows they messed these transmissions up but won’t admit it. Feb 16, 2024 · In this year’s class action suit, plaintiffs claim that GM knew about the transmission issue and even created a fix for it called Modla. Dec 14, 2023 · The "shudder" that is talked about with the ATS is the 8-speed GM transmission from 2016-2019. I really liked the new 8-speed. Next was converter and pump. 34. Transmission Bought my truck brand new in 2017. Mar 4, 2019 · 2016 White Colorado LT 2WD Ext. It has a very robust DI package with excellent friction modifiers. Apr 2, 2023 · The TSB on the shudder, if that is what you had, is to be done on the customers request since you kept driving it with the shudder and not taking it in, the converter maybe toast. Perform the Transmission Fluid Level and Condition Check outlined below in this procedure: 36. That didn't fix it, so they replaced my torque converter and it seemed to do the trick. 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. White Jan 4, 2022 · In some vehicles, like those included in this class action lawsuit, the intense shaking and shuddering is caused by a defective 8-speed transmission. I have several friends that have over 100k miles and no transmission issues. 2016 GMC Sierra with 5. At first it was between 45-55 mph. Get the transmission fluid temperature to the proper temperature. It's a cheap fix compared to a new torque converter. Superior recommends trying this kit first if the converter is still intact internally, as they have stopped the vibrating of the Lock-up clutch in all test units under these circumstances. Got the shudder at highway speed within the first year. 6L I4 FWD 4 Speed Man. Oct 29, 2024 · If your GM 8-speed transmission is having issues, an in-shop repair might be the first step. Perform the Transmission Fluid Level and Condition Check outlined below in this procedure: 34. Solving shuddering 8-speed transmission on 2018 chevy colorado2016 gmc yukon transmission recall Truck shudders when acceleratingNew fix a8 Feb 18, 2023 · A lot of people are concerned about the 8 speed transmissions being used in the 3rd generation Colorado / Canyon Trucks. Mar 8, 2021 · General Motors has announced a new Customer Satisfaction Program for certain examples of the 2021 model year Chevy Silverado 1500 and GMC Sierra 1500 to replace the eight-speed automatic Aug 24, 2022 · A new transmission fluid exchange procedure and a new formula of Mobil 1 Synthetic LV ATF HP transmission fluid have been released to address torque converter clutch (TCC) shudder conditions on 8L45 and 8L90 8-speed automatic transmissions 8 Speed "Chevy Shake" Fixed! Had to pay the dealer $515. 9. Many problems can be fixed without replacing the whole unit. Solving SHUDDERING 8-SPEED TRANSMISSION on 2018 Chevy Colorado - YouTube. I hope this helps clear the air. Aug 13, 2024 · How i fixed gm 8 speed transmission issues (i bought a 2018 f150) 2017 silverado tcc 8 speed transmission shudder issue -update-the2014 ford focus transmission shudder fix: causes and fixes 2016 gmc yukon transmission recallAlltranz :: gm 8 speed shudder solution. by the end they give me a 2021 Silverado with 10 speed transmission and so far is been ok with it good look all of you Nov 1, 2020 · Seems the shudder issue is primarily with the 8LXX slushboxes - the cadillac people are screaming bloody murder, there's even a class action lawsuit for it, which includes the colorado/canyon, cadillac cts and ats, camaro, silverado, anything 2017-2019 8 speed GM box. Jul 21, 2022 · V6 4WD, (Traded In)2005 Tahoe Z71 5. I want to be clear in that we will only be talking about the Camaro application, not any other GM products in this response. 19417577 that is the part number for the correct fluid for the 8 speed transmission. The TCC shudder condition should be directional improved immediately after the fluid exchange procedure. 2023 Sierra Denali 1500, 3. Sep 25, 2018 · My 2016 Silverado 6. General Motors has issued multiple technical service bulletins on torque converter clutch shudder in the eight-speed 8L45 and 8L90 transmissions. Jun 18, 2019 · Previously, the GM 8-speed transmission was also used in sunset models like the I know on the Shudder they were relying on Mobil to fix the fluid. When it started, GM did a flush and changed the fluid. I received transmission flushes, resets, updated fluid type, torque converter replacement, transmission rebuild that ended with a replaced transmission. I found an article stating there's a class-action lawsuit f The 8L45 / 8L50 / 8L90 “Shudder” Solution Valve Body Upgrade kit can be installed without transmission removal if it’s just chattering or shuddering. Or it did fix my 2018 transmission issue. 0L 10 speed will exhibit a light shudder at Dec 5, 2022 · my 6speed had the shudder baaaaad and it made the shudder go away. This 8-speed from GM was a disaster from day one and yet they still used it into the 2022 model year in some vehicles. E. Nov 3, 2023 · I've recently encountered a shudder problem with my vehicle, and I've been advised by the dealership to replace the transmission fluid as they believe it could resolve about 90% of the issue. Also known as the 8L90 and 8L45, the 8-speed pairs to rear-wheel-drive architectures in GM’s bread-and-butter Feb 26, 2021 · Even with the “shudder” issue solved, the stock eight-speed GM transmission can be improved with performance upgrades from ATI for serious driving enthusiasts. GM Part Numbers for 0. Almost feels to me like the truck attempts to shift to too high of a gear, then kicks back where it needs to be. Interesting that they now have marketing that specifically calls out the GM 8-speed. We have the same truck and transmission. I've had some with violent torque converter shudders that it has fixed. It replaced a 2018 Colorado 2. 4935 Enterprise Pkwy, Seville, OH 44273. Jan 4, 2019 · https://www. My dealer, under warranty, did a multiple fluid flush of the transmission using a revised GM transmission fluid. Fill the transmission with 6 quarts of DEXRON VI Transmission Fluid following published Service Information. Note that the bulletin says it can take up to 200 miles driving after having the fluid Nov 11, 2022 · Besides the more money you might spend later if you don't fix the issue causing transmission shudder in your vehicle, it's also dangerous to drive a vehicle that shakes profusely when you engage overdrive or when driving up a hill. Tranny instant shudder fix to your GM 8 speed transmission 8L90 8L45 Jan 3, 2022 · The list price was over $70,000 and I expect GM to recall this transmission or fix it at no cost to the consumer. This was covered under our CPO warranty at 91K miles. 35. Jan 16, 2023 · It was designed to fix the shudder issues in GM 8 speed transmissions. cission-shudder 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. Dealer flushed the fluid and it drove smooth as glass for about 1500 miles and then the shudder came back as fierce as ever. Customers that complain of shuddering and harsh shifting characteristics in the 8-speed GM transmissions are recommended for a trans fluid flush. White, (Totalled)1991 Plymouth Laser 1. I accept and a few hours later, I get a call saying there will be an $80 surcharge because the 8L90 uses a “special transmission fluid. Feb 1, 2023 · Didn't know the 6 speed had a shudder issue. Do not add Lubegard or anything else to it. 7. GM dealers had to obtain a special machine to perform the flush. Install the transmission oil cooler pipe using a new cooler block seal. GM should have helped with the cost as this was a "known" issue! Anyone get any assistance from corporate? I've heard of a possible class action. I had a number of shifting issues including hard shifts, soft shifts, what felt like transmission slippage and other sometimes unnerving behaviors. Shudder was gone. One of the common issues you might face with a GM 6-speed transmission is slipping. The 8 speed has obviously earned itself a worse reputation than the 10 speed, but they share a common fault. 6 liter 4x4 crew cab colorado with the 8 speed. 3 V8 4WD Green, (Sold)2000 Pontiac TransAm WS6 5. Having the transmission flushed is usually pretty successful on the 8-speeds. ylnwt pfvk ldbd mgc udjdf mkqpvk phusku xphv launu rkdb