GM Service Manual Online
For 1990-2009 cars only

    Object Number: 858363  Size: SH
  1. Apply a 5.5 mm (0.22 in) bead of sealer GM P/N 12378521 (Canadian P/N 88901148) or equivalent, to the oil pan in areas marked (1).
  2. Apply a 3 mm (0.12 in) bead of sealer GM P/N 12378521 (Canadian P/N 88901148) to the oil pan area marked (2).

  3. Object Number: 858170  Size: SH

    Note: The oil pan must be installed within 10 minutes from when the sealer was applied.

  4. Install the oil pan.
  5. Install the oil pan bolts.

  6. Object Number: 858365  Size: SH

    Note: When installing the oil pan, it could be shifted front or back a little which could cause a transmission alignment problem. The back of the oil pan needs to be flush with the block.

  7. Check the oil pan alignment. Use a straight edge on the back of the block and oil pan (transmission mounting surface).
  8. Caution: Refer to Fastener Caution in the Preface section.

  9. Tighten the oil pan bolts.
  10. 6.1. Tighten the (side) oil pan bolts to 25 N·m (18 lb ft).
    6.2. Tighten the (end) oil pan bolts to 10 N·m (89 lb in).