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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 4.3L >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Front Cover Installation

Engine Front Cover Installation

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 in Cautions and Notices.
  2. Install the engine front cover bolts.
    Fig 1: Installing Engine Front Cover Bolts
    G01644075Courtesy of GENERAL MOTORS CORP.

    Tighten 

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

    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.
    Fig 2: Installing New Crankshaft Position Sensor Seal
    G01644076Courtesy of GENERAL MOTORS CORP.
  5. Install crankshaft position sensor until fully seated into the engine front cover.
  6. Install crankshaft position sensor bolt.
    Fig 3: Installing Crankshaft Position Sensor Bolt
    G01644077Courtesy of GENERAL MOTORS CORP.

    Tighten 

    Tighten the crankshaft position sensor bolt to 8 N.m (71 lb in).