Valve Clearance Check

Valve Clearance Check

Service Repair No - 12.29.73

1. Disconnect the battery ground cable.

WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.

2. Raise and support the vehicle.
3. Remove the cooling fan.
4. Remove the LH valve cover.
5. Remove the RH valve cover.

CAUTION: Camshaft lobes must be 180 degrees away from each valve tappet or valve clearance will be incorrect.

6. Rotate the engine clockwise to position the camshaft lobe away from the valve tappet
7. Using the feeler gauge set, measure the clearance between the camshaft and the valve tappet.





8. Repeat the above procedure for the remaining 31 tappets.
9. Adjust the clearance as necessary.
10. For cylinder head data, refer to specifications.
11. Install the RH valve cover.
12. Install the LH valve cover.
13. Install the cooling fan.
14. Connect the battery ground cable.