GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1411879  Size: SH
  1. Remove the oil level indicator (418) from the tube.
  2. Remove the oil level indicator tube bolt (419).
  3. Remove the oil level indicator tube (420).
  4. Important: Inspect the O-ring for cuts or damage. The O-ring may be used again if it is not cut or damaged.

  5. Remove the O-ring (421) from the tube, as required.