Montana AWD V6-3.4L VIN E (2004)
10. Remove the valve rocker arm cover and gasket.
11. Clean the valve rocker arm cover.
12. Clean the valve rocker arm cover gasket sealing surfaces on the cylinder head and the lower intake manifold.
Installation Procedure
1. Install the valve rocker arm cover gasket into the valve rocker arm cover.
2. Apply sealer GM P/N 12345739 or the equivalent to the notches where the cylinder head and intake manifold meet.
3. Install valve rocker arm cover.
Notice: Refer to Fastener Notice in Service Precautions.
4. Install the valve rocker arm cover bolts.
Tighten the bolts to 10 Nm (89 inch lbs.).
5. Install the vacuum hose to the grommet in the engine right side valve rocker arm cover.
6. Install the ignition coil bracket with coils.
7. Install the EVAP canister purge solenoid valve.
