Figure 5-12. Rocker Arm Removal

Figure 5-12. Rocker Arm Removal

Figure 5-13. Pushrod Removal

g. Rotate the crankshaft over until the lifter is in

c. Remove P.C.V. system from rocker

its lowest position.

arm cover.

h . Zero the dial indicator. Continue to rotate

d. Carefully inspect rocker arm assembly for

crankshaft slowly until the pushrod is in the fully

broken springs or rocker arms, excessive wear or

raised position.

evidence of poor lubrication.

i. Compare the total lift recorded on the

e. Check valve (camshaft) lift by installing a dial

indicator with specifications.

indicator as shown in figure 5-9.

j. If the lift on any lobe is below specified wear

f. Make sure the pushrod is in the valve lifter

limits, the camshaft and the valve lifters operating

socket. Install a dial indicator so that the actuating

on the worn lobe(s) must be replaced.

point of the indicator is in the pushrod socket and

in the same plane as the pushrod movement.

5-17