Camshaft, Rocker Arm Assembly, Camshaft Seal, and Pulley Installation
Camshaft, Rocker Arm Assembly, Camshaft Seal, and Pulley Installation1. Apply a light coat of new engine oil around the camshaft oil seal.
2. Gently tap the new camshaft oil seal (A) into the cylinder head using a seal driver.
1) Tap the camshaft oil seal in squarely.
2) Install the oil seal about 0.5 - 1.5 mm (0.02 - 0.06 in.) below the surface of the cylinder head.
3. Insert the camshaft (B) into the cylinder head, then install the camshaft thrust cover (C). Always use a new O-ring (D). Apply new engine oil to the journals and cam lobes.
4. Check that the oil seal lips are not distorted.
5. Install the solid dowel pins (E) and the hollow dowel pins (F).
6. Loosen the valve adjusting screws.
7. If the rocker arm assembly is disassembled, reassemble the rocker arm assembly.
8. Set the rocker arm assembly in place, and loosely install the bolts. Make sure the rocker arms are properly positioned on the valve stems.
9. Tighten each bolt two turns at a time in the sequence shown to ensure than the rockers do not bind on the valves.
NOTE: Apply new engine oil to the threads and flange of the exhaust rocker shaft mounting bolts.
10. Apply new engine oil to the threads of the camshaft pulley mounting bolt (A). Install the back cover (B), then install the camshaft pulley (C).
11. Set the camshaft pulleys to top dead center (TDC) before bolting them onto the engine block.