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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1317 (Engine Mechanical - 3.1L 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 Pontiac Grand Prix. 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
    G01702930Courtesy of GENERAL MOTORS CORP.
    CAUTION: Bodily injury may occur if the cleaning solvent is inhaled or exposed to the skin.
  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.
    Fig 2: Engine Front Cover
    G01702931Courtesy of GENERAL MOTORS CORP.
  7. Install the crankshaft position sensor to the engine front cover.
    NOTE: Refer to FASTENER NOTICE .
  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
    G01702932Courtesy of GENERAL MOTORS CORP.
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