GM Repair Problems? Ask GM Repair Expert Now.
I am sorry for the long wait
reverse works goo no slipping at all ?
these transmissions by default should always have reverse and a forward gear no matter what happens electrically to the transmission
since it have a good reverse the pump should be good and the torque converter should be good
at this point i am sorry to say with no forward gears there is is possibly a valve stuck open in the valve body or the input drum or input clutches are worn out inside the transmission
i am sorry to say this transmission will need to come out and apart to be fixed
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