GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1408897  Size: SH

    Important: All gasket surfaces should be free of oil or other foreign material during assembly.

  1. Lubricate the O-ring seals with clean engine oil.
  2. Install the O-ring seals (537) to the cover (555).
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the cover (555), gasket (556), and bolts (506).
  5. Tighten
    Tighten the manifold bolts to 25N·m (18 lb ft).


    Object Number: 1408864  Size: SH
  6. Apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent, to the threads of the sensor.
  7. Install the oil pressure sensor (706) and sealing washer (707).
  8. Tighten
    Tighten the sensor to 35 N·m (26 lb ft).