GM Service Manual Online
For 1990-2009 cars only

Checks

Actions

With the steering wheel in the straight-ahead position, remove the key and rotate the steering wheel 120 degrees to the right.

If the steering column does not lock after 120 degree rotation, remove the trim panels around the ignition lock cylinder and lower the steering column. Refer to Ignition Lock Cylinder Replacement .

Check the lock cylinder for damage.

Replace the lock cylinder.

Check the ignition switch for a lack of free movement.

Lubricate the ignition switch.

Check the steering column housing for binding or damage.

Remove the steering shaft and clear the steering column housing. Replace the steering column housing as needed.