C 1500 Suburban 2WD V8-6.5L DSL Turbo VIN F (1997)
Rocker Arm Cover: Service and Repair
Replacement, Engine Overhaul
REMOVAL
1. Remove the valve rocker arm cover bolts and stud/nuts.
CAUTION: Prying on the valve rocker arm cover may cause damage to the sealing surfaces. Use a block of wood against the side of the valve
rocker arm cover and strike with a hammer in a sideways direction to shear the RTV sealant.
2. Remove the valve rocker arm covers.
INSTALLATION
1. Clean the sealing surfaces on the cylinder head and the valve rocker arm cover, so that the surfaces are free from oil and foreign material.
CAUTION: Do not allow the RTV sealant into the valve rocker arm cover bolt holes. This may cause a hydraulic lock condition, when the bolts
are tightened, damaging the cylinder head casting.
2. Apply a 5 mm (3/16 inch) bead of RTV sealant GM P/N 12345739 to the valve rocker arm covers, inboard of the bolt holes. The sealer must be
wet to the touch, when the bolts are tightened.
3. Install the valve rocker arm cover.
4. Install the valve rocker arm cover bolts.
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Tighten the valve rocker arm cover bolts to 22 Nm (16 ft. lbs.).
