Installation Procedure
NOTE:
All gasket surfaces should be free of oil or other foreign material during assembly.
- Lubricate the O-ring seals with clean engine oil.
- Install the O-rings seals (537) to the cover (555).
- Install the cover (555), gasket (556) and bolts (506). Tighten the manifold bolts to 25 N.m (18 lb ft).
- Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the threads of the sensor.
- Install the oil pressure sensor (706) and sealing washer (707) and tighten to 35 N.m (26 lb ft).
- Install the intake manifold. Refer to Intake Manifold Replacement .
CAUTION:
Refer to Fastener Caution .