F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
Rocker Arm Assembly: Service and Repair
Camshaft Roller Follower
Special Tool(s)
Removal
1. Remove the valve cover.
2. Remove the cooling fan.
3. Position the piston of the cylinder being repaired at the bottom of the stroke.
4. Install the special tool between the valve spring coils to prevent valve stem seal damage.