GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1697098  Size: SH
  1. Remove the intake manifold. Refer to Intake Manifold Replacement .
  2. Disconnect the engine harness electrical connector (1) from the oil pressure sensor.

  3. Object Number: 1509594  Size: SH
  4. Remove the oil pressure sensor (1) and washer (2).
  5. Remove and discard the valve lifter oil filter (3).
  6. Remove and discard the valve lifter oil filter O-ring seal (4).

Installation Procedure


    Object Number: 1509594  Size: SH
  1. Install a NEW valve lifter oil filter O-ring seal (4) into the valve lifter oil manifold.
  2. Install the NEW valve lifter oil filter (3).
  3. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the threads of the oil pressure sensor.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the oil pressure sensor washer (2) and sensor (1).
  6. Tighten
    Tighten the sensor to 35 N·m (26 lb ft).


    Object Number: 1697098  Size: SH
  7. Connect the engine harness electrical connector (1) to the oil pressure sensor.
  8. Install the intake manifold. Refer to Intake Manifold Replacement .