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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 870 (Engine Mechanical) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Front Cover Cleaning and Inspection

Engine Front Cover Cleaning and Inspection

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. 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: Removing Crankshaft Position Sensor
    G01500783Courtesy 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.
    Fig 2: Identifying Engine Front Cover For Inspection
    G01500784Courtesy of GENERAL MOTORS CORP.
  7. Install the crankshaft position sensor to the engine front cover.
  8. Install the crankshaft position sensor bolts. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) or the equivalent to the threads.

    Tighten 

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

    Fig 3: Installing Crankshaft Position Sensor
    G01500785Courtesy of GENERAL MOTORS CORP.
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