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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 597 (Engine Mechanical - 3.1L V6 - VIN (J) Unit Repair) >> Repair Instructions >> Engine Front Cover Cleaning and Inspection

Engine Front Cover Cleaning and Inspection

WARNING: This page is about a different car, the 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the crankshaft position sensor bolts from the engine front cover.
  2. Remove the crankshaft position sensor.
    Fig 1: Crankshaft Position Sensor
    G01763872Courtesy of GENERAL MOTORS CORP.
  3. Clean the engine front cover with cleaning solvent.
  4. Inspect the engine front cover sealing surfaces for damage.
  5. Inspect the engine front cover threaded holes.
  6. Repair or replace the engine front cover as necessary.
  7. Install the crankshaft position sensor to the engine front cover.
    Fig 2: Engine Front Cover
    G01763873Courtesy of GENERAL MOTORS CORP.
  8. Install the crankshaft position sensor bolts. Apply threadlock GM P/N United States 12345382, GM P/N Canada 10953489 or the equivalent to the threads.

    Tighten: 

    Tighten the crankshaft position sensor bolts to 10 N.m (89 lb in) 

    Fig 3: Crankshaft Position Sensor
    G01763874Courtesy of GENERAL MOTORS CORP.
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