GM Service Manual Online
For 1990-2009 cars only

    Object Number: 412541  Size: SH
  1. Ensure the oil pan and mounting surface on the lower crankcase are free of all oil and debris.
  2. Apply a 3.5 mm bead of GM P/N 12378521 (Canadian P/N 88901148), or equivalent, around the perimeter of the oil pan and the oil suction port opening.

  3. Object Number: 412429  Size: SH
  4. Install the oil pan.
  5. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 466580  Size: SH
  6. Install the oil pan bolts.
  7. Tighten
    Tighten the oil pan bolts in sequence to 25 N·m (18 lb ft).