Econoline E350 1 Ton V8-7.3L DSL Turbo VIN F (1998)
Ball Joint: Testing and Inspection
Ball Joint, Upper
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 axle to be tested.
4. While an assistant pulls and pushes the bottom of the tire, observe the relative movement between the lower spindle arm and the front axle. Any
movement at or exceeding the specification indicates a worn or damaged lower ball joint. Ball joint maximum radial play is 0.8 mm (1/32 in.).
Replace as necessary.
5. While an assistant pulls and pushes the top of the tire, observe the relative movement between the upper spindle arm and the front axle. Movement
at or exceeding the specification indicates a worn or damaged upper ball joint. Ball joint maximum radial play is 0.8 mm (1/32 in.). Replace the
upper ball joint as necessary.
