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Home >> Kia >> 2021 >> Rio S, 4D Hatchback >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Cylinder Block Assembly >> Piston And Connecting Rod >> Repair Procedures >> Inspection >> Piston Pins

Piston Pins

  1. Measure the outer diameter of piston pin

    Piston pin diameter: 

    18.997 - 19.000 mm (0.7479 - 0.7480 in)

    G13704084Courtesy of KIA MOTORS AMERICA, INC.
  2. Measure the piston pin-to-piston clearance.

    Piston pin-to-piston clearance: 

    0.004 - 0.012 mm (0.0002 - 0.0005 in)

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

    Piston pin-to-connecting rod interference: 

    0.005 - 0.014 mm (0.0002 - 0.0006 in)