Installation Procedure
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
- Apply sealant at the cylinder head to the lower intake manifold joints (1).
- Install a new gasket to the valve rocker arm cover. Ensure that the gasket is properly seated in the groove of the valve rocker arm cover.
- Install the valve rocker cover.
- Install the valve rocker arm cover bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).
- Connect the PCV valve vacuum line.
- Install the thermostat bypass pipe. Refer to THERMOSTAT BYPASS PIPES REPLACEMENT - LX9 (3.5L) .
- Install the front ignition wire harness.
- Refill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) or Draining and Filling Cooling System (Vac-N-Fill) .
IMPORTANT:
Apply sealant GM P/N 12378521 (Canadian P/N 88901148) or equivalent, at the cylinder head to the lower intake manifold joint.
NOTE:
Refer to Fastener Notice
.
IMPORTANT:
Use an alternating criss-cross pattern when tightening the valve rocker cover bolts. Failure to do so may result in oil leakage from the valve cover due to improper seating of the gasket.