Ranger 2WD V6-245 4.0L (1990)
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.
