Valve Clearance: Adjustments

MEASURING VALVE LASH




1. Remove engine cover.
2. Remove cylinder head cover.




3. Rotate camshaft so lobes are vertical (1).
4. Check clearance using feeler gauges.
5. Repeat for all tappets and record readings.
6. If clearance was too small, go to the clearance to small procedure. Clearance to Small.
7. If clearance was too large, go to the clearance to large procedure. Clearance to Large.


Clearance to Small




1. Remove camshafts.
2. Specification - clearance = change
3. Decrease bucket thickness by change figure.
4. Install camshafts.
5. Verify that valve lash is correct.


Clearance to Large




1. Remove camshafts.
2. Clearance - specification = change.
3. Increase bucket thickness by change figure.
4. Install camshafts.
5. Verify that valve lash is correct.