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Piston Pin to Bore Diameter

WARNING: This page is about a different car, the 2005 Ford Pickup, 2005 Ford F550 Super Duty, 2005 Ford F450 Super Duty, and 2005 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
    WARNING: Cover the end of the pin bore with a hand or shop rag when removing the retainer ring, since it has a tendency to spring out. Wear eye protection. Failure to follow instructions may result in personal injury.
    NOTE: Piston and piston pins are a matched set and should not be interchanged.
  1. Measure the piston pin bore diameter in 2 directions on each side. Verify the diameter is within specification.
    • If out of specification, install new components as necessary. Refer to the appropriate article for the procedure.
      Fig 1: Identifying Piston Pin Retainer Ring
      G04583349Courtesy of FORD MOTOR CO.
      Fig 2: Identifying Directions For Measuring Piston Pin Bore Diameter
      G03919790Courtesy of FORD MOTOR CO.
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