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Home >> Isuzu >> 1985 >> Impulse 2.0 F, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.8L 4-CYL - VIN [B], 1.9L 4-CYL [A], 2.0L 4-CYL [F] >> Overhaul >> Piston Pin Replacement >> Inspection

Piston Pin Replacement: Inspection

  1. Check connecting rod for distortion and parallelism. Correct or replace connecting rod if distortion is greater than .008" (.20 mm) or if parallelism is greater than .006" (.15 mm) per 3.94" (100 mm) of length. Standard distortion and parallelism is .002" (.05 mm) or less.
  2. Check piston pin diameter at several points. Check interference fit between pin and small end of connecting rod. Check fit between piston pin and piston as follows: Apply a thin coat of oil to pin and check that pin fits into piston with finger pressure. If pin cannot be fitted, select a pin of smaller diameter.
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