Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

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

Fig 1: Oil Pressure Sensor And Washer

Courtesy of GENERAL MOTORS CORP.

Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the threads of the oil pressure sensor.

CAUTION:

Refer to Fastener Caution .

Install a NEW washer (707) and the oil pressure sensor (706).
Tighten

Tighten the sensor to 35 N.m (26 lb ft).

Fig 2: Engine Valley Cover

Courtesy of GENERAL MOTORS CORP.

Lubricate the O-ring seals with clean engine oil.
Install the O-ring seals (537) to the cover.
Set the engine valley cover (555) onto the engine.
Install the engine valley cover bolts (506).
Tighten

Tighten the bolts to 25 N.m (18 lb ft).
Install the intake manifold. Refer to Intake Manifold Replacement (RPOs LC9, LMG, LY5, L76) , Intake Manifold Replacement (RPOs LY2, LY6) , Intake Manifold Replacement (Except RPOs LY2, LY6, LC9, LMG, LY5) .