GM Service Manual Online
For 1990-2009 cars only

    Object Number: 870004  Size: SH
  1. Install new O-rings (2) to the oil filter adapter and oil cooler assembly. Lubricate the O-rings with engine oil.
  2. Apply sealer GM P/N 12378521 (Canadian P/N 88901148) to the O-ring sealing area (1).

  3. Object Number: 1336118  Size: SH
  4. Install the oil filter adapter and oil cooler assembly.
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the five oil filter adapter and oil cooler assembly bolts. Tighten the oil filter adapter and oil cooler assembly bolts to 25 N·m (18 lb ft).

  7. Object Number: 1336117  Size: SH
  8. Install a new O-ring onto the engine coolant pipe.
  9. Lubricate the O-ring with engine coolant. Do not use oil or grease.
  10. Install the engine coolant pipe to the oil filter adapter and oil cooler assembly.