GM Service Manual Online
For 1990-2009 cars only

Condition

Possible Cause

No Reverse or slips in reverse

    • Low Fluid
    • Shift select cable out of adjustment, binding or damaged
    • Spacer plate or gaskets improper position or damaged
    • Check balls omitted or improper position
    • Manual valve binding or sticking
    • Manual valve link disconnected
    • Direct clutch piston or seal damaged
    • Incorrect line pressure