Valve Rocker Arm Cover Replacement (Left)
Valve Rocker Arm Cover Replacement - LeftRemoval Procedure
1. Drain the cooling system.
2. Remove the left spark plug wires.
3. Remove the right engine mount strut at the engine.
4. Remove the thermostat bypass hose and pipe.
5. Remove the Positive Crankcase Ventilation (PCV) valve from the left valve rocker arm cover.
6. Remove the left valve rocker arm cover bolts.
7. Remove the left valve rocker arm cover.
8. Remove the left valve rocker arm cover gasket.
9. Clean the valve rocker arm cover.
10. Clean the valve rocker arm cover gasket mating surfaces.
Installation Procedure
1. Install a new left valve rocker arm cover gasket to the valve rocker arm cover.
Important: Apply sealant GM PAN 12345739 or equivalent at the cylinder head to lower intake manifold joint.
2. Apply sealant at the cylinder head to lower intake manifold joint at the rear of the lower intake manifold (1).
Important: Apply sealant GM P/N 12345739 or equivalent at the cylinder head to lower intake manifold joint.
3. Apply sealant at the cylinder head to lower intake manifold joint at the front of the lower intake manifold (1).
4. install the left valve rocker arm cover.
Notice: Refer to Fastener Notice in Service Precautions.
5. Install the valve rocker arm cover bolts.
Tighten the bolts to 10 Nm (89 inch lbs.).
6. Install the PCV valve to the left valve rocker arm cover.
7. Install the thermostat bypass hose and pipe.
8. Install the right engine mount strut.
9. Install the left spark plug wires.
10. Fill the cooling system.