GM Service Manual Online
For 1990-2009 cars only

No Torque in Reverse and Third for GMC Truck Savana - AWD 2004

Checks

Cause

Forward Clutch Hub (613)

The hub is broken.

Snap Ring (616a)

The ring is not seated.

Forward Clutch Housing (602)

The housing is broken.

Direct Clutch Piston (619)

The piston is broken.