Valve Rocker Arm Cover Replacement - Left Side

Valve Rocker Arm Cover Replacement - Left Side

Removal Procedure





1. Partially drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) (Service and Repair)Cooling System Draining and Filling (GE 47716 Fill) (Service and Repair).
2. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement (Service and Repair).
3. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Air Cleaner Outlet Duct Replacement).
4. Disconnect the left side spark plug wires from the spark plugs.
5. Disengage the spark plug wire retainer clips from the heater inlet and outlet pipe bracket and the MAP sensor bracket.
6. Remove the heater inlet and outlet pipe. Refer to Heater Inlet Hose/Pipe and Heater Outlet Hose/Pipe Replacement (Heater Inlet Hose/Pipe and Heater Outlet Hose/Pipe Replacement).




7. Disconnect the positive crankcase ventilation (PCV) foul air tube quick connect fitting from the PCV fitting. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).




8. Loosen the rocker arm cover bolts.

Important: When removing the valve rocker arm cover make sure the gasket stays in place attached to the cylinder head.


9. Remove the rocker arm cover (2). If necessary, bump the end of the cover with the palm of your hand or a soft rubber mallet if the cover adheres to the cylinder head.
10. Cut the room temperature vulcanizing (RTV) sealer in the channel where the intake, cylinder head, and rocker cover meet with a suitable tool.
11. Remove the rocker arm cover gasket.



Installation Procedure





1. All gasket mating surfaces need to be free of oil and foreign material. Use GM P/N 12346139 (Canadian 10953463) or equivalent to clean the surfaces.
2. Install the rocker arm cover gasket into the rocker arm cover.
3. Apply sealer to the surfaces where the cylinder head and the intake manifold meet (1). Refer to Sealers, Adhesives, and Lubricants (Specifications).
4. Place the rocker arm cover (2) onto the cylinder head.

Notice: Refer to Fastener Notice (Fastener Notice).

5. Tighten the rocker arm cover bolts.

Tighten the bolts to 10 N.m (89 lb in).





6. Connect the PCV foul air tube quick connect fitting to the PCV fitting. Refer to Plastic Collar Quick Connect Fitting Service (Plastic Collar Quick Connect Fitting Service).
7. Install the heater inlet and outlet pipe. Refer to Heater Inlet Hose/Pipe and Heater Outlet Hose/Pipe Replacement (Heater Inlet Hose/Pipe and Heater Outlet Hose/Pipe Replacement).




8. Engage the spark plug wire retainer clips to the heater inlet and outlet pipe bracket and the MAP sensor bracket.
9. Connect the left side spark plug wires to the spark plugs.
10. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement (Service and Repair).
11. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement (Air Cleaner Outlet Duct Replacement).
12. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) (Service and Repair)Cooling System Draining and Filling (GE 47716 Fill) (Service and Repair).