Transmission slipping

Tiny
BIGGS
  • MEMBER
  • 2008 GMC ENVOY
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 214 MILES
Slipping in third gear after warming up.
Monday, May 29th, 2017 AT 7:07 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,883 POSTS
Hello,

I would start by serving the transmission and replacing the filter. Here is a guide to show you what you are in for when doing the job

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission

Please let us know what happens.

Cheers, Ken
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Thursday, June 1st, 2017 AT 11:34 AM

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