Rocker Arm Assembly: Service and Repair

Valve Push Rod, Rocker Arm, and Shaft Assembly Installation:

REMOVAL
1. Remove valve covers.
2. Remove the rocker arm shafts by loosening the rocker arm shaft support bolts 2 turns at a time until the shaft can be removed.

CAUTION: If the rocker arm shafts are not loosened gradually, the shaft may become bent or damaged during removal.

INSTALLATION
1. Lubricate all rocker arm assemblies with Engine Assembly Lubricant (D9AZ-19579 D, or equivalent).
2. Install rocker arm shaft assemblies and draw the shaft support bolts down evenly, two turns at a time, until the rocker shaft assemblies are fully down. Tighten shaft support bolts to 32 Nm +90° (24 ft lb +90°).
3. Install valve covers.