My 2020 Silverado Torque Converter Was Replaced At 49K Miles Due To a Severe Shudder, Now, at 70K Miles, the Shudder Has Returned

I have two company trucks with the 2.7 engine and 8 speed transmission. Just had a transmission replaced on the one with 103k miles. The other truck with 56k is having issues with the transmission as well. For both trucks the dealer won't even try to diagnose the issue. Had to go to a national transmission shop to get service.

I just bought 2020 trail boss and have the dreaded shutter.. previous owner stated had not been serviced to his knowledge…. 155,000.00 miles… having fluid changed now… see what happens!!!

Buy the older truck with 4 speed trans. Mine lasted 220k miles with no torque converter issues. Failed by loosing reverse. Rebuilt it and have so far put on 30k.

Bought a 2015 Silverado LTZ in 2017 with 10000 miles still under warranty. Do not recall if the transmission clunked from when I bought it or within a year or so. It only clunked occasionally asI went up on my moderately steep hill and would stop to back in my garage. Just one loud clunk. I thought it was just the engine dropping from 8 cyl to 4 cyl. The truck started shuddering almost always as I came to stop at the crest of an overpass exit. I would stop to make a right merge and feel a slight shudder. It almost felt like my wheels were slipping on oil. I would also experience this regularly on certain left turn after a stop. In October of 2024 on a 700 mile trip, stopped for gas and started feeling a faint shudder, like mud on a tire or ruts on the road. It would happen for 10 miles or so then disappear only to return after 30 milesor so. Made it to my destination but would only feel the shuddering when driving above 50 MPH. I was nervous on the return trip. Slowly the shuddering worsened. I delayed my return one day from Sunday to Monday in case the transmission failed. I made it home. The next day I called my local Chevrolet garage. As soon as I started the truck and put it in drive, something was worse, it was slipping on almost every stop. I had to stop by the bank and I as put it in gear to leave it hesitated and hard clunk into reverse. I limped to the Chevrolet dealer garage. The whole 15 mile trip was just a lot of shuddering. As I turned into the garage the transmission must have started to shear, for a minute the truck just revved but would not move, it clunked into a high gear and rolled into a parking spot barely responding to the gas pedal. They called me with a burnt out torque converter, some of teeth were sheared off. A rebuilt OEM with 3 year warranty was $10000.00 since I was way out of warranty and my extended warranty ran out. I thought it was going to be around $4500.00. I wasn't going to put in the same transmission that failed. My son in law is a a mechanic, used to work at a dealership. He advised a Jasper rebuilt transmission. They had a rebuilt transmission for $7000.00, 3 year warranty. It could break down any where and any shop could repair, replace. My truck had 167K miles, only a few problems, air conditioning and rear axle seals which were under extended warranty. I did research, did not know there were recommended transmission fluid change, the torque converter is a pos, the transmission cooler doesn't kick in until temperature is 190 plus, the AFM wreaks havoc on lifters and makes your transmission hunt for gears while cylinders are shutting on and off. I did install a device which keeps the truck in V8, fuel economy was reduced by about 30 to 50 miles per tank, almost zero if I drive nice. I am also installing a by pass to reduce transmission temperature so it goes the cooler and going to change the fluid at about 50k.
So far no problems with rebuilt Jasper, still holding my breath though, I have 173300 mile now. Just a bit of info, prior the Chevy I had a 2002 Tacoma, I drove it until 2017, 230K or 260K miles, I forget. I got rof the Tacoma because of the transmission, it would not go into gear occasionally. A few times it just revved on the road, no power. It started getting worse. If the Chevrolet had gone to 200k miles or so, I wouldn't have complained.

The reason is that GM went to a light weight material on their torque converters to make them lighter for better fuel economy and to make them cheaper. The problem is the lighter weight converters can't handle the torque and they go bad. The bigger issue is that GM knows this is happening and refuse to upgrade the converters so when you buy OEM Parts they are the same parts with the same problem.

I had the same shudder problem so I rebuilt the transmission with a billet torque converter and shift kit problem solved

I am a previous owner of a 2017 Chevy Colorado Midnight Edition. Initially, I was thrilled with everything about the truck. Shortly after purchase I received a recall notice for oil pump replacement. That went well and had no further issues. Prior to 20,000k the vehicle was subject to extreme shudder, most prominent between 80 and 100kph. Dealer replaced the tourque converter and solved the shudder. At about 25,000k I started to notice some hard downshifting during normal deceleration. This truck had been very gently driven, never towed anything and never driven off road. (I now drive a 2023 Nissan Pro4X )

I have a 2019 Z71 Crew cab Chevrolet Silverado with a 8 speed Transmission and it started shifting rough and doing the transmission flutter. I took it to the dealer at Union City, Tennessee, Herman Jenkins and They put it on the computer and drove it and the technician felt like I called it in time and said that he thought the transmission flush would fix it so I agreed took him about two hours to do it as as they finished Amy told me to give it 200 miles before I noticed a difference , but I noticed it right away within one or 2 miles it’s been shifting perfect ever since so I plan on doing this again around 45,000 miles. hopefully this helps just service you’re transmission like you’re supposed to Maybe you won’t have any issues.

I have a 2019 Z71 Crew cab Chevrolet Silverado with a 8 speed Transmission and it started shifting rough and doing the transmission flutter. I took it to the dealer at Union City, Tennessee, Herman Jenkins and They put it on the computer and drove it and the technician felt like I called it in time and said that he thought the transmission flush would fix it so I agreed took him about two hours to do it as as they finished Amy told me to give it 200 miles before I noticed a difference , but I noticed it right away within one or 2 miles it’s been shifting perfect ever since so I plan on doing this again around 45,000 miles. hopefully this helps just service you’re transmission like you’re supposed to Maybe you won’t have any issues.oh and I believe the transmission had 72000 miles on it

My story starts with a 2017 v6 camaro. Bought it slightly used. After about a year and a half, it would shutter. If I changed the fluid and run it and changed it again, the shudder stopped. After a year same thing. The next year same thing, so car is gone. I purchased a new 2021 Denali 1500 3.0 Duramax. Loved the truck, but started having the crank and no start, it was always start right up on the second attempt. I knew this was not going to heal itself, so I got a chance to trade it for a 2021 Denali 2500 Duramax that was about 6 months old same as mine, and about the same miles. Well first problem happened as I pulled out of the dealer lot, drove good on the test drive, but not after I paid for it. It was a high pressure rail sensor. After a couple trips coming back from Florida to Texas in limp mode, they got it fixed. Well that worked until last fall when it happened again. Now I have it sitting in my yard because the def heater is not working. Also I guess the granny in this has a problem that can lock the rear wheels up at highway speed, lovely, and they don't want to actually fix it. They want to monitor it and hope it's past their longer warranty before it throws you in the ditch. So we also have a LT1500 3.0 2023 duramax pick up that has 28000 miles on it. I now live in NY and was going to visit my daughter and her family this weekend. Obviously the logical thing to drive is the 23 1500 because we also have VW Jetta with 100,000 miles on it. Well that was the WRONG answer because around Buffalo NY the valve body wrapped out. Amongst all this I did have a Chevy Cruise that was a fun little car until the plastic valve cover cracked. I am at my wits end. I had a 2021 Duramax with the injector problem so I only had 6 of them go one at a time. According to GM I was getting bad fuel. After I sold it at a big loss, they miraculously decided they had a problem. As I write this, I realize I may big the sucker for going back to the same poison well for my water. But I see the other two big brands with their own problems. What gives is our ty technology so bad that every year if they change something it has to fail for 10 years before they cover it up with some new POS. In closing it might be nice if they figured out that a million miles of real world testing, is not driving a million trucks a mile to load them to ship them. I will no longer be a new truck customer, and neither should any of us until they get their s--t together. 1979 Barret Jackson mint truck may be the answer.

Just bought a used 2020 Silverado two weeks ago with 5.3L and 8 speed transmission with 41000 miles and I'm noticing the shudder at highway speeds.

My 2019 Canyon denali torque converter went out with 24000 miles. Had to deal with the dealership to get it replaced with a new one. If there is a class action lawsuit In effect they have to honor it even if the warranty has expired.

I have a 2015 High Country Chevy truck. I have 100,000 miles. My truck stat running bad when I got to 70,000 miles. The issue is that the when the truck is stop for a long time then the check engine light comes on. The code read to replace the idle control sensor it was replace and the light came back on. The transmission jerks at times. The check engine light comes on and off. I haven’t did anything to the transmission yet. Tell me what you think. Thanks