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Lateral Runout (Front & Rear Disc)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1997 Ford Pickup, 1997 Ford F-Super Duty, 1997 Ford Cab & Chassis, 1996 Ford Pickup, and 1996 Ford F-Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
  1. On front disc brakes, tighten wheel bearing adjusting nut to eliminate bearing end play. Ensure rotor can be rotated by hand. When checking runout on rear disc brakes (F Super Duty only), make sure rear axle bearings are adjusted properly.
  2. Once adjusted, DO NOT change rear bearing setting. Attach dial indicator to suspension, with indicator tip set 1" from outer edge of rotor face. Set dial indicator to zero, and slowly turn rotor. Take reading within a 6.00" (152.4 mm) radius on rotor. Runout must not exceed specification. See DISC BRAKE SPECIFICATIONS . Resurface or replace rotor as required.
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