TIMING MARK AND POINTER
TO CHECK VALVE LASH
Both the exhaust and inlet valves for No. 1 and No. 2
1. Stop the engine.
cylinders will be closed: The four rocker arms will rotate
2. Clean around the valve covers.
with finger pressure.
4. Remove both valve covers.
ADJUSTING VALVE LASH
Turn the crankshaft until No. 1 cylinder is on
Adjust the inlet and exhaust valve lash for No.
top dead center ("TC1") compression stroke.
1 and No. 2 cylinders:
Align the ("TC1") timing mark on the damper
a. Loosen the valve adjusting screw locknut.
with the timing pointer located on the front of
the engine block.