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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 >> Installation Procedure

Installation Procedure

Important:  Once the composite engine front cover is removed DO NOT reinstall the engine front cover. Always install a NEW engine front cover.

  1. Install the NEW engine front cover.
    NOTE: Refer to FASTENER NOTICE .
  2. Install the engine front cover bolts.

    Tighten 

    Tighten the bolts to 12 N.m (106 lb in).

    Fig 1: Engine Front Cover
    G01661189Courtesy of GENERAL MOTORS CORP.

    Important:  DO NOT reuse the original crankshaft position sensor seal (O-ring). When installing the crankshaft position sensor be sure the crankshaft position sensor is fully seated and held stationary in the engine front cover crankshaft position sensor bore. A crankshaft position sensor that is not completely seated will cock in the engine front cover and may result in erratic engine operation

  3. Lubricate the NEW crankshaft position sensor seal (O-ring) with clean engine oil.
  4. Install the NEW crankshaft position sensor seal (O-ring) onto the crankshaft position sensor.
  5. Install the CKP sensor. Refer to CRANKSHAFT POSITION SENSOR .
    Fig 2: Crankshaft Position Sensor & Seal
    G01661190Courtesy of GENERAL MOTORS CORP.
  6. Install the engine oil pan. Refer to Oil Pan Replacement (2WD)  or Oil Pan Replacement (4WD) .
  7. Connect the CKP sensor electrical connector.
  8. Install the water pump. Refer to WATER PUMP REPLACEMENT (2.2 L) or WATER PUMP REPLACEMENT (4.3 L) .
  9. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
    Fig 3: CKP Sensor Electrical Connector
    G01661191Courtesy of GENERAL MOTORS CORP.