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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1018 (Engine Mechanical - 4.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Engine Front Cover Installation

Engine Front Cover Installation

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    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.
    2. Fig 1: Installing Engine Front Cover
    GM480539Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the engine front cover bolts.

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

    3. 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. Fig 2: View Of Crankshaft Position Sensor Seal O-Ring
    GM387759Courtesy of GENERAL MOTORS CORP.
  5. Install crankshaft position sensor until fully seated into the engine front cover.
    6. Fig 3: View Of CKP Sensor & Bolt
    GM11485Courtesy of GENERAL MOTORS CORP.
  6. Install crankshaft position sensor bolt.

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

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