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Piston Pins

  1. Measure the outer diameter of piston pin

    Piston pin diameter : 

    18.001 ~ 18.007mm (0.7087 ~ 0.7089in)

    Fig 1: Measuring Outer Diameter Of Piston Pin
    G06828573Courtesy of KIA MOTORS AMERICA, INC.
  2. Measure the piston pin-to-piston clearance.

    Piston pin-to-piston clearance : 

    0.011 ~ 0.018mm (0.0004 ~ 0.0007in)

  3. Check the difference between the piston pin outer diameter and the connecting rod small end inner diameter.

    Piston pin-to-connecting rod interference : 

    -0.033 ~ -0.016mm (-0.0013 ~ -0.0006in)

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