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Got our 19 traverse With 14,000miles back from dealer. They immediately were able to replicate the shuddering from a stop. So they flushed the trans and filled with a new/different fluid. There is a bulletin from gm about this apparently.
 

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So far only put on 100+ miles and no more shudder. Shifts great. They want us to drive about 1000miles before we come back if any problems with it.
 

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As you may have read in my previous comments in this thread, our Traverse continued to have a slight shudder for approximately 150 miles after the fluid change. The shudder then went away for about a 1000 miles or so, and then came back very intermittently. Dealer has not kept it or driven it extensively enough to replicate. It has just over 8,000 miles now. At about 10,000 miles I'm going to change the fluid again and see if that eliminates it completely. If not, I'll drive it until the shudder becomes frequent enough that the dealer will experience it, then take it to them for repair.
 

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I’ve had a hunch this flush is a temporary fix. I’ll update as we put more miles on. It’s really just short trips for the wife in the traverse now so it’s hard to replicate our long distance trip with 2 adults, 4 kids 6yrs and younger with luggage for a week. After a few hundred miles I’m going to hook up 5x10 utility trailer with golf cart and drive a loop and see how it does. It’s done that with ease twice. We love our traverse!
 

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twilly--We love ours as well. Not going to let the shudder dissuade us; trans fluid changes should resolve the issue (hopefully!).
 

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Our 2018 Traverse is back at the dealer for the 3rd time for the same shudder problem when shifting. In addition, it sometimes will not "go" when changing from reverse to drive or when auto shut off engages at a stop and I try to press on gas. I will need to put in in park and then drive to get it to "go". First time they did the fluid flush and reprogram, it went away for a few months then came back. 2nd time they did a recall reprogramming and it was doing it again by the time I drove the car home from the dealership. Took it back for a 3rd time and had a nice conversation with the service manager in person. Chevy corporate customer support is useless. It's been there for 5 days and today they told us they tried several things that did not fix it so they want to now replace the torque converter. They are giving me a loaner car but I know most people are not this lucky. I will post once I get the car back and let you know how it goes! This is a real shame as I love my Traverse but it's un-drivable in this condition.
 

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Got our 19 traverse With 14,000miles back from dealer. They immediately were able to replicate the shuddering from a stop. So they flushed the trans and filled with a new/different fluid. There is a bulletin from gm about this apparently.
It will come back. We've been going through this for 2 years now. Finally got them to work with us and I believe they now want to replace the torque converter. It's still at the dealer for the 3rd time for this same problem. The flush "fix" was temporary.
 

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Yes, ours is fixed after replacing torque converter, now it's smooth as butter, shifts nice, not a single shudder on any gears. Drove about 20k after replacement already, so far so good.
Ous 2018 is at dealer now and they want to replace the torque converter. I pray this is the fix because I really love the car, but it's un-drivable with that shudder!
 

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Ous 2018 is at dealer now and they want to replace the torque converter. I pray this is the fix because I really love the car, but it's un-drivable with that shudder!
We bought a 2018 Premier redline w/ 37K miles in March. The shutter started in April. Dealer did the "bulletin" flush and reprogram to factory. The shutter came back this past August. Even worse then the first time. 3, sometimes 4 lower gears. Cold, hot. It didn't matter. Brought it to the dealer. Thank God we bought their extended warranty. They did the same thing. How many times are they going to do the bulletin before they actually fix something that is permanent?
 

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My dealer's service department told me that if it recurred after the first flush, they would then address the next step of replacing the torque converter. I have not felt a shudder in the last 2 months or so, and have put about 4,000 miles on it during that time. I'm at 13,000 miles and have an appointment next week to have the fluid changed again--just as a pre-emptive, preventative measure--at my expense; primarily to give me peace of mind that the issue remains resolved and to avoid issues after the bumper-to-bumper goes away. (I know, it's a needless expense, but dealer will do it for $132, and I can't do two-three dump and fills for that price.)
 
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Knock on wood, I have not experienced this on my 19 Premier... I did change the ATF and exchanged the OEM drain plug to the magnetic plug at 21,800 miles myself from the thread here and plan on doing it again at 30,000 miles, and every 10-20,000 miles depending on my use. After changing the ATF, shifted very smooth.
 

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I recently purchased a 2019 Chevy Traverse Premier Redline edition and all has been great for the few thousand miles we put on it , we got it with 20,500 on car then on the way to florida on a family vacation with 6 of us in the car its starts this stutter between all the lower gears at 27,500 miles . Took it to a local dealer where they said they know its an issue with the transmission and said it takes 3 flushes and i need to run it 200 miles before i notice a difference , im 110 miles into the 200 and yes its less noticeable except now when i let off the gas pedal it stutters as it decels now and it did not do that before . This is a brand new vehicle and im paranoid to drive this all the way back to Minnesota with the family with this issue . Any ideas or help what ot do to get this fixed with New parts Not used or rebuilt ??? any help it appreciated.
 

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Would this issue be covered under the 5yr/60k mile Powertrain warranty?

I ask because we have a 2018 that’s coming up on 34k miles. I positive we’ve been having the shutter with light acceleration as well but it was never consistent and couldn’t rule out the road surface. Also the wife typically drives it and since it’s not throwing any codes or leaving her stranded , she doesn’t mention anything 😒. After my last drive its occuring more often so I’m taking it in. My worry would be we make slow progress and exceed the 36k mile bumper to bumper or the 3 years, before actually fixing it.
The powertrain warranty would still cover this correct?
 

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Take it in and get it on the record as a problem before the b-to-b warranty expires. It should be covered under the powertrain warranty that runs beyond that, but why take a chance?
 
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