GM Service Manual Online
For 1990-2009 cars only

Delay in Drive and Reverse

Checks

Causes

Forward Clutch Piston (630)

Cut or damaged piston seals

Low and Reverse Clutch Piston (695)

Cut or damaged inner, outer or center clutch seals

Reverse Input Clutch Piston Assembly (607)

Cut or damaged inner or outer clutch seals

Pump Cover (215)

Cut or damaged oil seal rings - stator shaft