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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 414 (Engine Mechanical - 4.8L, 5.3L, & 6.0L (Unit Repair)) >> Repair Instructions >> Crankshaft and Bearings Cleaning and Inspection >> Cleaning Procedure

Cleaning Procedure

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IMPORTANT: Use care when handling the crankshaft. Avoid damage to the bearing surfaces or the lobes of the crankshaft position reluctor ring. Damage to the teeth of the crankshaft position reluctor ring may effect On-Board Diagnostics (OBD) II system performance.
  1. Clean the crankshaft with solvent.
  2. Thoroughly clean all oil passages and inspect for restrictions or burrs.
    CAUTION: Refer to SAFETY GLASSES CAUTION in Cautions and Notices.
  3. Dry the crankshaft with compressed air.
    Fig 1: Crankshaft Removed
    G01674681Courtesy of GENERAL MOTORS CORP.
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