New trans
Thread Starter
Instructor
Joined: Sep 2018
Posts: 194
Likes: 23
From: Illinois
New trans
I had a new auto trans installed. It fluttered quite a bit and has pretty much gone away except at 49mph it has a good lurch to it and the rpms jump anywhere from 500-1000. I give it a little rev of the throttle and it seems to catch. Dealership says it is part of the “learning “process , should I be worried? the car has 185600 miles on it the transmission is brand new gm auto with a little over 1000 miles on it since install. Thanks for all the advice.
Burning Brakes
Joined: Jul 2014
Posts: 1,170
Likes: 253
From: Oconomowoc Wisconsin
There is a learn period for modern transmissions. I don’t know how many miles it takes but I would think by 1,000 miles it should of learned your driving style. I would take it back to where you bought it and had it installed and have the transmission tech take a ride with you. You have a warranty. Make them make it right.
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
They should NOT need to learn that bad for that long.. Something is wrong. Take it back and have the service manger ride with you. Show him your concerns.
Please keep us updated on the outcome
Bill
Please keep us updated on the outcome
Bill
Burning Brakes
Joined: Jul 2005
Posts: 788
Likes: 33
From: Cedar Rapids IA
Especially on what it cost.
Last edited by voda1; Aug 26, 2019 at 10:38 AM.
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