transmission slipped completely in every gear

2004 CHEVROLET TRAILBLAZER
260,000 MILES • 6 CYL • 2WD • AUTOMATIC
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MRJMARCO
  • MEMBER
  • 1 POST
What would make my transmission slipped completely in every gear when the engine is warm, but when its cold it runs fine?
Dec 21, 2009 at 9:16 PM
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good morning,

The first thing I would do is change the fluid and filter. The filter may be clogged not allowing proper flow for operation.

https://www.2carpros.com/articles/automatic-transmission-problems

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

Look for any debris in the pan as that will also tell you if there is something going on internally.

Roy
Dec 7, 2021 at 8:56 AM
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