GM Service Manual Online
For 1990-2009 cars only

Problem

Action

Low or no fluid

Add fluid.

Shift cable out of adjustment, binding or damaged

Adjust or replace the select cable.

Parking lock pawl mechanism locked or frozen

Inspect the parking lock pawl.

Broken torque converter to flywheel bolts

Replace the bolts.

Torque converter stator one-way clutch no holding

Replace the torque converter.

Torque converter failure

Replace the torque converter.

Valve body spacer plate or gaskets improper position or damaged

Inspect the valve body.

The check balls are omitted or improper position

Inspect the valve body.

Manual valve binding or sticking

Inspect the valve body.

Manual valve link disconnected

Inspect the manual valve linkage.

Incorrect line pressure

Perform the line pressure diagnosis.