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Old 07-13-2021, 04:27 PM   #4
truckin 79
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Join Date: Jun 2014
Location: CO
Posts: 471
Re: need some help 4l80e experts

I am no expert but sounds like what my Avalanche was doing when transmission went out. I was driving one day and came to a stop, I then went to accelerate and engine revved up but vehicle went nowhere. I figured out I could manually shift Avy to get it home. The dealership did not ever tell me what was the problem just said bad tans and swapped it out. Did you make sure fluid level is correct?
Good luck
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79 Chevy 2wd BIG10 350 TH400
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