K 1500 Suburban 4WD V8-5.7L VIN R (1997)
Rocker Arm Cover: Service and Repair
Removal
1. Disconnect the battery negative cable assembly from the battery negative terminal.
2. Remove the spark plug wires.
3. Disconnect the wiring harness from the clips, and move aside.
4. Remove the following components for access to the right valve rocker arm cover:
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The crankcase vent hose.
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The oil level indicator tube bracket.
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The air cleaner intake duct. Refer to Powertrain Management.
5. Remove the following components for access to the left valve rocker arm cover:
a. The air conditioning compressor and lay aside. Refer to Heating and Air Conditioning.
b. The EGR valve inlet pipe.
c. The PCV and the hose.
d. The power brake vacuum pipe and move aside.
6. Remove the valve rocker arm cover bolts.
7. Remove the valve rocker arm cover and the gasket.
8. Clean all traces of old gasket from the valve rocker arm cover and the cylinder head.
9. Inspect the valve rocker arm cover sealing surface for distortion. Replace the valve rocker arm cover if necessary.
