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Pilot Runout

WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the special tools as close to the hub face as possible. Zero the indicator to allow the pointer to deflect either way.
    Fig 1: Measuring Pilot Runout
    G03897228Courtesy of FORD MOTOR CO.
  2. Rotate the hub one full turn and note the maximum and minimum readings. The difference between the maximum and minimum readings will be the total pilot runout. Pilot runout must not exceed 0.15 mm (0.006 inch).
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