Operation CHARM: Car repair manuals for everyone.

Rocker Shaft and Rocker Arm - Diameter/Clearance

ROCKER SHAFT AND ROCKER ARM
1. Check rocker shafts for scratches, seizure and wear.






2. Check outer diameter of rocker shaft.

Diameter: 17.979 - 18.000 mm (0.7078 - 0.7087 inch)






3. Check inner diameter of rocker arm.

Diameter: 18.007 - 18.028 mm (0.7089 - 0.7098 inch)
Rocker arm to shaft clearance: 0.007 - 0.049 mm (0.0003 - 0.0019 inch)

Keep rocker arm with hydraulic valve lifter standing to prevent air from entering hydraulic valve lifter when checking.