Recent content by berti155
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Transmission slip 1-2 and 2-3
The valve body was my first thought too. It could be a sticky valve or similar. It only does it shifting up from 2nd to 3rd. Once in gear it does not slip. Pulled my friend's trailer the other day and no slippage uphill in 3rd. Can floor it and it still won't slip. I thought about going thru a...- berti155
- Post #10
- Forum: Engine & Drivetrain
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Transmission slip 1-2 and 2-3
Hey all! I'm new to this forum, actually signed up after researching the above problem. I have very limited experience with GM transmissions (worked mainly on European cars; grew up in Austria). I have the same issue with the slippage from 2nd to 3rd. It only does it when shifting up but 4th to...- berti155
- Post #8
- Forum: Engine & Drivetrain
