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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.3L (On-Vehicle) >> Repair Instructions >> Engine Front Cover Replacement >> Removal Procedure

Removal Procedure

  1. Remove the engine oil pan Refer to Oil Pan Replacement (2WD)  or Oil Pan Replacement (4WD) .
  2. Disconnect the crankshaft position (CKP) sensor electrical connector.
  3. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  4. Remove the water pump. Refer to WATER PUMP REPLACEMENT (2.2 L) or WATER PUMP REPLACEMENT (4.3 L) .
  5. Remove the CKP sensor. Refer to CRANKSHAFT POSITION SENSOR .
    Fig 1: Crankshaft Position (CKP) Sensor Electrical Connector
    G01661186Courtesy of GENERAL MOTORS CORP.
  6. Remove the crankshaft position sensor seal (O-ring).
  7. Discard the crankshaft position sensor seal (O-ring).
    Fig 2: Crankshaft Position Sensor & Seal
    G01661187Courtesy of GENERAL MOTORS CORP.
  8. Remove the engine front cover bolts.

    Important:  After the composite engine front cover is removed do not reinstall the engine front cover. Always install a NEW engine front cover.

  9. Remove the engine front cover.
  10. Discard the engine front cover.
  11. Clean all sealing surfaces.
    Fig 3: Engine Front Cover
    G01661188Courtesy of GENERAL MOTORS CORP.
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