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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 418 (Engine Mechanical - 4.2L 6-Cylinder (On-Vehicle)) >> Repair Instructions >> Engine Front Cover Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the J 44219 (aligning pins), onto the engine.
    IMPORTANT: The engine front cover must be installed within 10 minutes from when the sealer was applied.
    2. Fig 1: Identifying J 44219 Pins
    G01706306Courtesy of GENERAL MOTORS CORP.
  2. Apply a 3 mm (0.12 in) bead of sealer GM P/N 12378521 to the trace grooves on back side of the engine front cover (1).
    3. Fig 2: Applying Sealer to Front Cover
    G01706307Courtesy of GENERAL MOTORS CORP.
  3. Also apply sealant on the inside three bolt hole bosses on the cover
  4. Align the oil pump to the crankshaft sproket splines.
  5. Install the front cover.
  6. Install the front cover bolts, tightening the center bolt last (1).
    NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    Tighten 

    Tighten the front cover bolts to 10 N.m (89 lb in).

    7. Fig 3: Identifying 7 mm Center Bolt
    G01706305Courtesy of GENERAL MOTORS CORP.
  7. Remove the J 44219.
  8. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  9. Install the oil pan. Refer to Oil Pan Replacement .
  10. Lower the vehicle.
  11. Install the power steering pump. Refer to Power Steering Pump Replacement in Power Steering System.
  12. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  13. Install the water pump. Refer to Water Pump Replacement in Engine Cooling.
  14. Install the drive belt. Refer to Drive Belt Replacement .
  15. Install the cooling fan and shroud. Refer to Cooling Fan and Shroud Replacement .
  16. Fill the engine with coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
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