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2005 Avalanche trouble shifting


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gofish59
New User

Feb 23, 2009, 12:25 AM

Post #1 of 2 (1775 views)
2005 Avalanche trouble shifting Sign In

Hello, My 2005 Avalanche 75k miles just started having trouble shifting. The automatic transmission seems to be sticking and the rpms race as I increase speed. The transmission fluid looks ok and is at the right level. Any suggestions would be appreciated.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Feb 23, 2009, 5:09 AM

Post #2 of 2 (1773 views)
Re: 2005 Avalanche trouble shifting Sign In

I suggest you get some help from a trans specialty shop for reading codes for the trans - there is lot's of electronic input telling it what gear to be in at what time and may be getting bad info or a bad connection telling it to hand on to lower gears too long. Look for anything going to it disconnected first.

Could be other assorted troubles too - needs more diagnosis,

T







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