F 150 Heritage 4WD Pickup V8-5.4L SOHC VIN Z Bi-fuel (2004)
Ball Joint: Testing and Inspection
Ball Joint Inspection
Ball Joint Inspection
1. Raise and support the vehicle.
2. Prior to performing any inspection of the ball joints, inspect the front wheel bearings.
3. Position a safety stand beneath the front suspension lower arm to be tested.
4. While an assistant pries upward on the bottom of the tire, measure the relative movement between the lower spindle arm and the front suspension
lower arm ball joint. Any movement at or exceeding the specification indicates a worn or damaged lower ball Joint. Install a new ball joint as
necessary.
5. While an assistant pries upward on the bottom of the tire, measure the relative movement between the upper spindle arm and the front suspension
upper ball Joint. Movement at or exceeding the specification indicates a worn or damaged upper ball joint. Install a new upper ball joint as
necessary.
