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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 (GE 47716 Fill) Cooling System Draining and Filling (GE 47716 Fill)Cooling System Draining and Filling (LY7, LZE, LZ4, LZ9) Cooling System Draining and Filling (GE 47716 Fill).
2. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement Intake Manifold Cover Replacement.
3. Remove the front ignition wire harness at the upper intake manifold and at the spark plugs.
4. Disconnect the positive crankcase ventilation (PCV) vacuum hose.





Note: The valve rocker arm cover gasket and sealant must be carefully trimmed away from the lower intake manifold gasket. Failure to do so will damage the lower intake manifold gasket, causing a severe oil leak.

5. Remove the valve rocker arm cover bolts.

Note: When removing the valve rocker arm cover, ensure the gasket stays in place attached to the cylinder head.

6. Remove the valve rocker arm cover. Bump the end of the valve rocker cover with the palm of your hand or a soft rubber mallet if the cover adheres to the cylinder head.




7. Trim the valve cover and sealant away from the lower intake manifold gasket at the cylinder head to the lower intake manifold joints (1).
8. Remove the valve cover gasket.
9. Clean the sealing surface on the cylinder head with degreaser.
10. Clean the valve rocker arm cover.

Installation Procedure





Note: Apply sealant at the cylinder head to the lower intake manifold joint. Refer to Adhesives, Fluids, Lubricants, and Sealers Adhesives, Fluids, Lubricants, and Sealers for the correct part number.

1. Apply sealant at the cylinder head to the lower intake manifold joints (1).




2. 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.
3. Install the valve rocker cover.
4. Install the valve rocker arm cover bolts.
5. Connect the PCV valve vacuum line.




6. Install the front ignition wire harness.
7. Refill the cooling system. Refer to Cooling System Draining and Filling (GE 47716 Fill) Cooling System Draining and Filling (GE 47716 Fill)Cooling System Draining and Filling (LY7, LZE, LZ4, LZ9) Cooling System Draining and Filling (GE 47716 Fill).
8. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement Intake Manifold Cover Replacement.