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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1618 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Engine Front Cover Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a NEW front cover.
    NOTE: Refer to FASTENER NOTICE .
  2. Install the front cover bolts.

    Tighten 

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

    Fig 1: Front Cover & Bolts
    G02105938Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: DO NOT reuse the original CKP sensor O-ring seal.
  3. Lubricate a NEW CKP sensor O-ring seal with clean engine oil.
  4. Install the NEW O-ring seal onto the CKP sensor.
    Fig 2: CKP O-Ring Seal
    G02105939Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When installing the CKP sensor, make sure the sensor is fully seated before tightening the bolt. A poorly seated sensor may perform erratically and may set false DTCs.
  5. Install the CKP sensor and bolt.

    Tighten 

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

    Fig 3: CKP Sensor & Bolt
    G02105940Courtesy of GENERAL MOTORS CORP.
  6. Connect the CKP sensor electrical connector (5).
    Fig 4: CKP Sensor Electrical Connector
    G02105941Courtesy of GENERAL MOTORS CORP.
  7. Install the engine shield and bolts.

    Tighten 

    Tighten the bolts to 20 N.m (15 lb ft).

  8. Install the oil pan. Refer to Oil Pan Replacement .
  9. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  10. Install the water pump. Refer to WATER PUMP REPLACEMENT (4.3L ENGINE) .
    Fig 5: Engine Shield & Bolts
    G02105942Courtesy of GENERAL MOTORS CORP.
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