1999 GMC Sierra trans slip

1999 GMC SIERRA
175,000 MILES • V8 • 2WD • AUTOMATIC
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FIREDAWG21M
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  • 1 POST
well sorry first time but any how when i get in the gas in drive it revs to about 3-4000rpms and wont shift unless i get out of the gas let it drop to about 1000rpms then it shift and it feels like it wont come out of 2nd or 3rd bc at 60mph it is still at 4-5000rpms and i also lost reverse at the same time what could be wrong with it or is it toatally shot
Jan 9, 2009 at 5:18 PM
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BRIAN 1
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  • 1,030 POSTS
have it scanned for codes and post back,there are several issues for this problem.also check and make sure the fluid is full and not burnt.post back with what you find.
Jan 9, 2009 at 5:24 PM
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CMAT22
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  • 2 POSTS
i agree with brian 1 as well as you might want to get some "transmission conditioner" which you can find at any autoparts store and put it in to help make sure your seals aren't leaking.
Feb 3, 2009 at 10:30 PM
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