F 150 2WD Pickup V8-4.6L SOHC VIN W (1998)
Control Arm: Service and Repair
Upper
REMOVAL
1. Raise and support the vehicle.
WARNING: THE ELECTRICAL POWER TO THE AIR SUSPENSION SYSTEM MUST BE SHUT OFF PRIOR TO HOISTING,
JACKING OR TOWING AN AIR SUSPENSION VEHICLE. THIS CAN BE ACCOMPLISHED BY TURNING OFF THE AIR
SUSPENSION SWITCH LOCATED IN THE RH KICK PANEL. FAILURE TO DO SO MAY RESULT IN UNEXPECTED
INFLATION OR DEFLATION OF THE AIR SPRINGS WHICH MAY RESULT IN SHIFTING OF THE VEHICLE DURING THESE
OPERATIONS.
2. Remove the tire and wheel assembly.
3. Use Hi-Lift Jack to support the front suspension lower arm.
4. Mark position of front suspension upper arm cam.
5. Remove the upper ball joint castellated nut.
(1) Remove the cotter pin.
(2) Remove the nut.
