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Home >> Hyundai >> 2005 >> Tucson GL, 4WD, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> Engine (G4GC-GSL 2.0L) >> Engine Block >> Inspection >> Piston Pins

Piston Pins

  1. Measure the diameter of the piston pin.

    Piston pin diameter 

    20.001 ~ 20.006mm (0.7874 ~ 0.7876in.)

    Fig 1: Measuring Diameter Of Piston Pin
    G03761973Courtesy of HYUNDAI MOTOR CO.
  2. Measure the piston pin-to-piston clearance.

    Piston pin-to-piston clearance 

    0.01 ~ 0.02mm (0.0004 ~ 0.0008in.)

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

    Piston pin-to-connecting rod interference 

    0.016 ~ 0.032mm (0.00063 ~ 0.00126in.)

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