GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1608498  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Disconnect the oil pressure sensor electrical connector (1).

  3. Object Number: 1556786  Size: SH
  4. Remove the oil filter.

  5. Object Number: 1581863  Size: SH
  6. Remove the oil filter adapter bolts and stud.
  7. Remove the oil filter adapter and gasket.

  8. Object Number: 1581864  Size: SH
  9. Insert a flat-bladed tool into the oil filter bypass hole and remove the oil filter bypass valve.

Installation Procedure

Notice: Maximum gasket performance is achieved when using new fasteners, which contain a thread-locking patch. If the fasteners are not replaced, a thread locking chemical must be applied to the fastener threads. Failure to replace the fasteners or apply a thread-locking chemical MAY reduce gasket sealing capability.


    Object Number: 1581864  Size: SH
  1. Install the oil filter bypass valve. Seat the valve fully below the bypass valve hole chamfer.

  2. Object Number: 1581863  Size: SH
  3. Position the oil filter adapter and gasket to the engine.
  4. Apply threadlock to the bolt/stud threads, if required. Refer to Adhesives, Fluids, Lubricants, and Sealers.
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the oil filter adapter bolts and stud and tighten to 25 N·m (18 lb ft).

  7. Object Number: 1556786  Size: SH
  8. Install the oil filter and tighten to 30 N·m (22 lb ft).

  9. Object Number: 1608498  Size: SH
  10. Disconnect the oil pressure sensor electrical connector (1).
  11. Lower the vehicle.
  12. Check and fill the crankcase, if necessary.