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re: 2021 gmc sierra

Posted on 9/23/23 at 8:49 am to
Posted by EdOregon
Member since Aug 2019
19 posts
Posted on 9/23/23 at 8:49 am to
Take it to dealer and tell them it has issues with torque convertor shudder. They'll swap out the transmission fluid with an improved version and it fixes everything. All done under warranty unless you've blown through the mileage warranty.
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