GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Open the instrument panel (I/P) compartment door.
  2. Remove the I/P compartment handle from the I/P compartment.

  3. Object Number: 400600  Size: SH
  4. Insert the key into the I/P compartment door lock cylinder.
  5. Insert a small diameter tool into the slot on the upper side of the door handle cylinder housing. Depress and hold the lock cylinder retainer.
  6. While the lock cylinder retainer is still depressed, turn the key clockwise to the 3 o'clock position.

  7. Object Number: 641536  Size: SH
  8. Pull to remove the lock cylinder.

Installation Procedure

  1. Insert the key into the lock cylinder.

  2. Object Number: 641536  Size: SH
  3. Align the lock cylinder in the same position used for removal. Push the cylinder in place to seat fully.
  4. Turn the key counterclockwise to secure the lock cylinder retainer.
  5. Remove the key from the lock cylinder.
  6. Inspect the operation of the lock cylinder. The lock cylinder should only allow a ¼ turn and should be securely retained in the door handle.
  7. Close the I/P compartment door.