help with tranny
Thread Starter
Staging Lane
Joined: Jul 2009
Posts: 76
Likes: 0
From: avondale az
help with tranny ok i have a 2002 chevy silverado 5.3. i did a tranny swap from the 4l60 to the 4l80. the tranny was looked in 3er gear. i had the computer flashed to a 2002 chevy silverado with a 6.0 motor and 4l80 tranny.. doing this let my tranny shift threw the gears fine. the problem i am having now is the truck shifts at 3000 rpms no matter what if im on it or just crusing it, it shifts at 3000. we had to add 2 pin to the computer for the second vss sensor. if you have any idea or have done this please help lol thanks
You are looking at a tuning or sesor issue, As mentioned a tuner should be able to see why its happening and figure out what to do.
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