gm transmissions problems
Baltimore, Maryland 21237 USA. It didn’t help. That’s a load of BS take it to dealer that will fix it many will. trans brand new with 13 miles. It seems like all the manufacturers saw what Elon Musk and Tesla did, and they want a piece of the pie as well. I feel bad for the people that do and to make matters worse GM isn’t resolving it going on 6 years. They just did mine on Friday. GM get us a permanent fix /repair so that we can enjoy driving the American legend or bring a check and open a museum. ECO mode shifting was better. Fingers crossed that a few more days of driving will iron out all the kinks. NO…it’s 5 years 60k for power-train. Steering wheel shakes when in cruse control over 35 mph as well as accelerating slowly from 50 mph+ . Now at 20k and it’s even worse. I called LubeGuard directly and they recommended 1 bottle of Platinum if not currently having issues, 2 bottles if noticing shudder. Spent over 4K on service/repairs but yeah I got new tires too. Temperature swings between day and night could be harsh on these delicate machines. I’m not feeling optimistic that they will. Make sure to research each code and keep in mind the same code could be caused by many possible problems. Had a dealer service writer recommend a tranny fluid flush and reprogram for a cost of $300. But a vehicle can still be out of warranty by being over the mileage limit, but be less than 5 years old. Installed Shift Technology Products Sure-Cool System PN STL010 There was some ferrous metal dust on the magnets but nothing concerning. They will have to go through r&d, engineering, possible retooling. There is a Technical Service Bulletin (TSB 18-NA-355), which describes that replacing factory-installed transmission fluid with Mobil 1 Synthetic LV ATF HP fluid solves the issue. Gm doesn’t know how to many a good transmission, year’s ago they made Metric 200 transmission They put in a couple hundred thousand car’s, in 97-98 The transmission in blazer, astro And pickups last about 60,000 miles, I have a 2018 GMC Canyon and it’s slips and shutters the deal and tells me that’s normal, Never again will I buy general motors. Have you gone in for a fluid-swap fix? They reset the computer to learn mode when they flush so folks think it has helped with harsh shifts. Love a warrantee that is only valid if you break down on the road, otherwise its designed this way! On the forums and dealer tech sites it has been all positive results even with higher miles. We’ve covered the problems of the eight-speed GM transmission on numerous occasions. I agree with Henry 100%. Oil Pan to Transmission Case Bolt 97 lb in Plug Assembly, Automatic Transmission Oil Pan (C/K) 22.1-29.5 lb ft You just need to present the vehicle to the dealer and they will replace the fluid and it will resolve the issues in nearl all models. I appreciate the effort with the fluid change. Remove the dipstick and clean it with a clean cloth. Now every once in a while I feel like I was rear ended. GM should be held accountable. See my previous comments my 2017 ZR two only has 46,000 miles and has been in the shop seven times oil change absolutely worked for maybe 300 miles it’s currently in the shop for two weeks getting a new transmission put in. You maybe correct about software update on relearn. In one case it was even a leaking tranny cooler in the Audi that put moisture into the fluid. It has the outsourced/imported ZF 8 speed which is Belgium engineered and probably the only multi gear trans worth a damn in the world. This is an improvement from 62 problems with the 2017 model. Also, I asked if it was driven between 60 and 75 mph. Let us know your experiences by posting in the comments section, and don’t forget to subscribe to GM Authority for 24/7 GM news coverage. Purchasing an electronic vehicle is not an answer. GMC vehicles that use a 4-speed automatic 4L60E or 4L65E transmission can have intermittent or constant problems when switching to higher gears. Newer GMC trucks equipped with a 6-speed 6L80 transmission can suffer from various intermittent or constant transmission issues. When the Mobil One was first offered for the trans, i went to a auto mechanic that had the machine to suck all the fluid out of the trans and lines, then added the few gallons of the great Mobile One. I am also amazed that GM has not been forced to issue a recall, New 2019 zr1 1500 miles fluid swap, 15,000 miles new torque converter, 31,314 miles new torque converter, 31,840 miles and five days later back in shop shudder worse than ever. I know I have cost them sales. Did NOT fix the problem. It’s clunked between 1 & 2 since I got it. My dealer sells BUICK,GMC, and Subaru. In this blog, we will try to shed some light on these issues and how you can fix them. 8 speed trans. o In heavy city traffi c where the outside temperature regularly reaches 90°F (32°C) or higher If you are unwilling to have a “Senior Tech to use as his daily driver with a real-time monitor ported up to it.” With your response of “Nah, but thanks for the offer.” – that’s your own damn fault if it continues to happen. I know every case is different but I’m I never had the harsh shifting. Also known as the limp mode. I’m guessing the psuedo-clutch plates behind stator/impeller. If GM knows this transmission is ” faulty “, it doesn’t matter to me if its the fluid or the CUE screen. DROP THE MIC! We are currently looking for experienced automotive journalists and editors to join our team. GM will not give me a hard answer they keep dragging out the process, and will not use email, only phone class (which I am recording) I am disgusted that so many people are having the same problem and GM is unable to fix it nor make it right. The 10R80 in the Fords have been far from stellar. Slipping/shuddering, bizarro upshifting eventually came back. Yea that was my problem also! Then i did it again at about 8,000 miles. Even bangs after I start it, and don’t even put it in gear. Copy it take it to the dealer and have the service done. The moisture in the fluids has been an issue with many companies. Had one flush and after a 1,000 miles it seems to come back with a vengeance. Just asking if 60,000 miles is the owners manual stated transmission service point ? It’s just unfortunately not working for some. GM, and many other manufacturers, have implemented shutting down engine cylinders under light throttle, in an effort to appease the EPA and DOT regarding fuel economy and emissions. Meant to say “ many things about the car I find amazing and love”. I can believe that it might actually be the software on most. After looking at the Ford Ranger I chose the Colorado because I liked it more. I told them the issue is intermittent, they could not duplicate. Widespread GM transmission problems continue to leave drivers shaken up all over the country. If not relearn will be next. Have heard of issues with this engine cracking push rods as well really can’t hang out much longer waiting for things to blow up. Those that state never change transmission fluid are the same idiots also say change your oil every 3000 miles. It seems really confusing, and I think GM is scratching their heads as much as everyone else is. Does Shawn honestly think that the author can get all the technical details behind this TSB correct, list of all the applicable vehicles and then some, and not know that its Mobil? If I had the glasses, I certainly didn’t know. If you have the shudder it should make a world of difference as reported by many owners that have already had it done. Provide no fix at all? Yes Tundra is the top rated truck for reliability but myself wouldn’t go running to buy one because I cant get past how they look. It has been 1 year 7 months with absolutely no fully functional AC and constant transmission problems. They can keep the vehicle, and wait for a permanent fix, which will happen, because if that comment is true, they’re continuing to research it, and get dealer technician input as well. 2 years left under warranty & don’t want to have to try a transmission shop.hopefully there will be info somewhere of a complete fix. I had this done this year on my 2016 Corvette which shuddered and shook with each shift the new fluid seems to have solved the issues. in fact the first time I got out of my car to check the rear. Low transmission fluid level or dirty filter, which can cause overheating. GMC vehicles that use a 4-speed automatic 4L60E or 4L65E transmission can develop a problem with gear shifts. A $200 device has eliminated my entire problem. This not true. The 8 speed tranny, 8L45/8L90 is garbage. Many owners have already offloaded their GM cars/trucks and moved to other brands. As time went on they tried fluids, new converters and even transmission replacement. (blue label Mobil 1 Synthetic LV ATF HP Part # 19417577), That’s what he’s saying. I think I will take advantage of that if the numbers are right. The fluid swap seems to have cured my shuddering, which was the only issue I had. GMC trucks, vans, and SUVs manufactured by General Motors (GM) include models such as Yukon, Terrain, Acadia, Canyon, Sierra, Savana. About 5 ½ quarts of Mobil 1 blue label PN 124715 19417577 I can report my own experience as I felt like I really had no shudder compared to what most reported. Park vehicle and turn off the ignition. If you hire an attorney (usually they do for no cost) you can get it replaced under the lemon law. Stuttering returned thus my taken it back. Another problem with automatic transmissions is the integrated control (computer) is not functioning properly. If you’re an adult about it, you ask them what the options are to correct the issue and you actually want to prevent any further harm to the vehicle YOU paid for (i’m assuming you paid for it) let them troubleshoot and correct it. Is there any word on who is to pay the bill for the “fix”. Even if they are figuring that electric vehicles will be here in a few years and that will take care of any transmission problems, people will remember how they were treated and how much money it cost them to trade in their vehicle before they had ever anticipated it when purchased new. Investigation into GM transmission issues continues. There will be a fault code stored in the Engine Control Module (ECU) memory as well. Just traded my Colorado with 70k . I work in the auto industry. How long did it take ? For this reason I encourage people to not buy anything with the 8 speed and to flush and dump anything they currently have. I don’t disagree with what you have posted. Sometimes this is accompanied by a jolt as the automatic transmission shifts. They gave him his money back within a week! They also need to clear the debris. NADA ( blue book) has degraded trucks with the 8 speed so bad . Had the fluid changed and it totally fixed the issue. Some dealers did the flush with fluid other than mobile one and the issue will return. Needless to say I’m not a happy camper. Many tech’s I spoke say that a new software update is needed as well not a relearn. They changed the fluid and it worked for a couple of days and then they changed the valve body with new fluid and that worked for a few days , I took it back in for a reprogram and that lasted a week or so , I think they are going to swap out tranny’s now , mine down shifts so hard and when I’m on a icy road the rear wheels Lock up and spun you out ,it’s done it 3 time’s so far , I’ve had enough with the 8 speed. It was clear at the beginning GM really did not know what the problem was. I bought my first new Silverado in 82 from same dealer, and the very few problems I’ve ever had were taken care of right away and done right. I had one flush at about 30k. GM has argued that these claims should be thrown out, as its express warranty only covers defects that relate to materials and workmanship, and not design defects. I filed a lawsuit back in December. The bellhousing bolt is tight and requires a ½” drive 15MM deep socket. I’m soured now. please refer to your specifi c vehicle Owner’s Manual for any exceptions. This will be my last GM EVER!!!!! 6.2..38k..miles. One dealership stated the only item that could be performed would be the ABS software update according to my VIN. Mine gets done next week. So, what do you want them to do, just give up? ××××BEWARE CORRUPT COMPANY DO NOT PURCHASE/TRADE IN IF YOU OWN A GM-DONT SUPPORT THEIR CORRUPTION. These vehicles are four wheels with multiple computers. I believe it is cheaper to change the transmission fluid than to fix the problem. These issues will trigger a check engine light, so there will be a fault code stored in DTC memory. They are known for acting like they haven’t heard of well documented issues as if nobody ever complained about it before. Do not be distracted by scott3, who really has little clue and just does nothing but troll and complain about everything except how great GM is. One tube of lube guard shudder fix I got at advance auto parts The 2015 Chevy Corvette transmission problems are part of the infamous “Chevy Shake” where faulty transmissions cause shake as the driver shifts gears. Received car back from local dealer w/ complete Synthetic oil change. This destroys my faith in humanity. Even as I suggested TC replacement based on these forums, it was never a consideration. Oil filter PN 24274402 Glad it’s working for everyone??????????? Took the truck for a 20 mile round-trip and the results were immediate! This is becoming more than a headache. It’s likely they’ll discontinue flushes soon as well, if the valve body and/ or valve body cover is proved to be the issue. I am at a stand still. had it in for the same thing. Additionally, I also have the shuddering between 30-45 mph with cruise control on and going up hill. How did you AFM? I am still under the 5 year 70k warranty, is there anything that I can provide that will convince the service center to perform this or is their statement accurate? I was then told GM said no to the torque converter and the computer didn’t register the problem. Sport Mode removes that function so there’s no shudder. The latest is GM has directed the dealers to flush any and all 8 speeds on dealer lots. A person just wrote, that they bought a new Cadillac every year and drove it 100,000 miles. The costs and labor needed to switch applicable vehicles to the 10-speed automatic transmission shouldn’t be looked at as a loss. Just didn’t want you to throw one manufacturer under the bus, and not mention the ” same ” thing happened with a ” new ” GM Cadillac product !! It’s part of the class action suit, the loss of value. Dealerships are in the game of selling also dealerships carry no responsibilities for the vehicles they sell but fair warning even at the manufacturer level they dont stand behind their products as so lots of call complaints to the manufacturer and even get your local politicians involved. Very well put. A transmission flush in April has so far completely resolved the shudder issue. I have reached out to the manufacturer for assistance with this on going problems and they responded with a $1500 as a incentive towards a new truck.What a disrespectful offer I have been a gm driver for the past 19 years. I went to another GM dealer to correct that and whatever they did it’s better but not completely satisfying (slight tremors during normal drive). The remedy? It down shift faster and smoother up and down and not acts as should be expected. Dave – Were you charged for the reprogram sir? There’s a few things everyone can do here. They are not. What did you pay to get the transmission fluid swapped out? Apparently, not only congressman lie. P0741 - There is a significant difference between the torque converter and the transmission input shaft. Hoping this problem is resolved! Many of the components end up damaged and require replacement. And I’m getting ready to call them again. A GM transmission lawsuit has been partly dismissed after five class actions were consolidated in a Michigan court, with GM owners alleging the Hydra-Matic 8L90 and 8L45 transmissions … You a GM employee or what? https://gearsmagazine.com/magazine/what-is-causing-that-a-look-at-the-gm-8l90s-most-common-concerns/. GM’s Severe Transmission Defects Owners of 2015-2017 GMC Canyons and Chevrolet Colorados have complained that they have experienced transmission issues when downshifting or accelerating. First, some customers report the transmission shuddering frequently. I decided to try a product called “Instant Shudder Fix” by Lubegard. It shuddered on me so bad going from 60 to 61, it lost acceleration. Also recommended to do a trans service at 60-70k miles. The newest fluid seems to have corrected the issues with the shudder almost immediately. In this era, not only was each General … Most of these transmissions are under warranty. I had described vibration/shutter which CAN present itself as a tire vibration issue. AC Delco Oil filterPf63E, Ryan The vehicle will not change gears. However, I have read many, many posts on enthusiast forums where people take their car to a known good transmission shop and they are able to change the mapping and tune out the problems in the 8-speed. On a larger dealership they might absorb some of that loss or they may have a higher standard for customer care. It seemingly fixed the harsh shuddering I was experiencing but I wonder if it comes with a trade-off poorer in gas mileage? Occasionally a converter may be glazed and also need replaced also under warranty. It’s done the shuttering thing a couple of times. I do love the 6.2 power and the looks of my sierra Denali but everything I hear about on hear Just pisses me off more and more. I just took a 1200 mile trip without any issues. Just because the car is drive-able does not mean there’s nothing wrong, and you have a fix but deny warranty work. It can be a futile effort so I had to bite the bullet, take the financial hit and trade my GM cars before it got worse while the car & truck was still worth something. Although the selected sample applies to most GM vehicles, This will trigger a check engine light and may also trigger fault code P1870 code. Where is this information? I’m dealing with my 2017 canyon with the same problem.. All successful. I’ve learned to “feather the throttle” just before which usually prevents the really hard clunk. I have a cat back exhaust and you really notice it….so far I’m very happy with it. Does not sound like the shuttering issue. I installed the Trifecta tune with AFM delete in all modes. This is all ok for owners in USA bur Cadillac only warrantry 3 years or 36000 in UK.Dealer changed fluid on my 2016CTSV three timies which has got rid of the shudder but harsh 1-2 shifts are still there on light or medium throttle,they could not get Mobil 1 fluid as GM europe do not stock it,I tried getting it via the importers but they do not stock it either so I am waiting to see what happens now. Required fields are marked *. That”s the same run around they gave me. The flush did work for a while. There are 2 separate issues: TC shudder and harsh shifting. ” This is covered on the 60k 5 year warranty so everyone should be covered by time and if it is higher miles they are due for service anyways.”. My two year old Colorado not even worth half . Isn’t it amazing how what seems to be such a small thing can (hopefully) make such a huge difference? I am probably dreaming the impossible dream, but I hope the service has improved. Had another issue with a tranny sensor that caused a check engine light. this is the service writer telling me this. They don’t care. Chevrolet’s TurboGlide and the similar Buick FlightPitch. Secondly, the … I understand but it’s a factory warranty not the dealer so the policy should be the same since they are getting reimbursed through GM/Chevy/Buick etc. We participate in the Amazon, Advance Auto Parts, and eBay affiliate programs. They have supplied the dealers with a specific machine to flush with. The torque converter needs to be replaced . They said ‘warranty repair cannot be done on something that is not broken or having issues at this time’. Going back Monday for the “fix”. Auto transmissions aren’t supposed to act this way: jumping, banging, hesitating, shaking, the list of symptoms goes on and on. This has been a problem with my Sierra since about 5000 km and the truck now has 29000km. The tranny has ruined the Cadillac experience for me. Between me and my partner we have driven only Gm/Chevy for the past 20 years and with 7 vehicles I have never experienced so many problems in a “new” vehicle. AC Delco Oil filterPf63E Needless to say, they failed miserably. Torque converter changed and all was good. It’s a dam shame, GM engineers don’t know what they’re doing anymore how could they put out crap like this. POS 8 speed. Want to see your GM ride featured on GM Authority? I noticed sport mode increased throttle response and modified shift points. When Does The GM Nine-Speed Automatic Transmission Shift Into Ninth Gear? Don’t count on the “oil” fixing the problem, but I truly hope it works for you. See instructions below on how to check the transmission fluid level on a GMC. $7E8, $7EA. Ensure the transmission is fully inserted, then remove it. Tuesday morning and today, I have recreated the issue in route to work (33 mile drive one way). I am confident GM will fix the issue. Fluid had been changed last year, worked for about 15k. Most GMC transmission problems such as harsh shifting, delayed shifting, no gear, stuck in gear, no reverse or drive are quite often caused by low transmission fluid level. James, You said they replaced your torque converter in March? “Most people I know don’t service an automatic transmission until 100,000 miles.”. Anthony, now that they replaced the torque converter, and 10 months later .. has the replacement fixed the problem? I just took a 1200 mile trip without any issues. It’s better right now but wondering what to expect longer term. I myself, place of work and family will never buy another GM also I pity anyone who drives one to date. The shudder came back less than a week after the torque converter was replaced, I will be taking the truck today again and they will keep it to “fix it “. Gm cant or wont fix the problem even after I sent over 10 videos of the vehicle doing its hiccups horrible management and service and now dealing with this on going headache I would be loonie to entrust my future business to this poor run company. I think the dealer may be a big factor here, I’ve had unbelievable service for almost 40 years, every time, and great trucks from Chevy. Dealer did the flush, new fluid, and replaced internal transmission harness. It doesn’t hold a candle to Amsoil and many tech told me this. That’s including the 10 speed crap shared by GM/Ford. The GM vehicles are equipped with GM 8L45 or 8L90 automatic transmissions that allegedly hesitate when drivers accelerate or decelerate. I challenged them stating with the track record of stuttering and jerking effects from the transmission, are we really back to trying to recreate the issue? Driving the vehicle for about a week or so improves shift quality even further as the new fluid cleans things up inside the transmission and the adaptive shift algorithms relearn various parameters. Who says a recall won’t happen once they find a permanent fix? Never had any issues with my 2005 tundra. My beautiful Corvette has been torn apart three times and the dealer will not admit that the problem is over their heads. I agree, I would also like know best way to add LubeGuard. For sure really! Oldsmobile 84-91 sounds like the same nightmare to me, You are absolutely right, I’ve owned 12 new gm vehicle, but this is my last, they had to know they were bad, and to call it.