2003 Chevy Suburban shifting

Tiny
TRANSWARP
  • MEMBER
  • 2003 CHEVROLET SUBURBAN
Transmission problem
2003 Chevy Suburban V8 Two Wheel Drive Automatic 135k miles

It will shift from 1st to 2nd fine but motor will rev instead of shifting to 3rd. I dropped the pan, fluid was cloudy but no metal shavings at all. Replaced filter and fluid, same problem.
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Sunday, March 16th, 2008 AT 8:17 AM

1 Reply

Tiny
MERLIN2021
  • EXPERT
There are several technical service bullitens on your truck. Is the Service engine soon light on? If yes have the codes read, Autozone does it free, Post the results with the code number(s). Even if the service engine light is not on, there should be freeze frame data stored. Post the results, and I will look for your codes and TSB's for it. Or try Chevy service for this info.
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Sunday, March 16th, 2008 AT 8:28 AM

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