Valve Cover: Service and Repair

FRONT CYLINDER HEAD COVER
REMOVAL
1. Disconnect and relocate spark plug cables and wiring harness.
2. Disconnect PCV and breather hoses.





Fig. 52

3. Remove cylinder head cover fasteners and remove cover (Fig. 52).

INSTALLATION

NOTE: Before installation, clean cylinder head and cover mating surfaces. Make certain the rails are flat.

1. Clean cylinder head and cover mating surfaces. Install new gasket.
2. Install cover and tighten cover bolt washer and gasket assembly to 3.5 N.m (2.5 ft. lbs.).
3. Connect PCV and breather hoses.
4. Connect spark plug cables and wiring harness.

REAR CYLINDER HEAD COVER
REMOVAL
1. Remove upper intake manifold.
2. Cover lower intake manifold with a suitable cover during service.
3. Disconnect and relocate spark plug cables.
4. Disconnect breather hose.
5. Remove cylinder head cover fasteners and remove cover (Fig. 52).

INSTALLATION

NOTE: Before installation, clean cylinder head and cover mating surfaces. Make certain the rails are flat.

1. Clean cylinder head and cover mating surfaces. Install new gasket.
2. Install cover and tighten cover bolt washer and gasket assembly to 3.5 N.m (2.5 ft lbs.).
3. Connect spark plug cables.
4. Connect breather hose.
5. Install upper intake manifold.

SPARK PLUG TUBE SEALS





Fig. 53

The spark plug tube seals are located on the end of each tube (Fig. 53). These seals slide onto each tube to seal the cylinder head cover to spark plug tube. If these seals show signs of hardness and/or cracks, they should be replaced.