Ranger 2WD V6-245 4.0L VIN X SFI (1997)
Rocker Arm Assembly: Service and Repair
Rocker Arm
REMOVAL
1. Remove valve covers.
CAUTION: If the rocker arm shafts are not loosened gradually, the shaft may become bent or damaged during removal.
2. Remove the rocker arm shafts by loosening the rocker arm shaft support bolts two turns at a time until the shaft can be removed.
INSTALLATION
1. Lubricate all rocker arm assemblies with Engine Assembly Lubricant D9AZ-19579-D or equivalent meeting Ford specification ESR-M99C80-A.
2. Install the 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 (24 ft. lbs.). Then torque again an additional 90°.
3. Install valve covers.
