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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 >> Removal Procedure

Removal 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. Drain the engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
  2. Remove the cooling fan and the shroud. Refer to Cooling Fan and Shroud Replacement in Engine Cooling.
  3. Remove the drive belt. Refer to Drive Belt Replacement .
  4. Remove the water pump. Refer to Water Pump Replacement in Engine Cooling.
  5. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
    6. Fig 1: Removing Crankshaft Balancer
    G01706304Courtesy of GENERAL MOTORS CORP.
  6. Remove the power steering pump. Refer to Power Steering Pump Replacement in Power Steering System.
  7. Repositioned A/C compressor on the side.
  8. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  9. Remove the oil pan. Refer to Oil Pan Replacement .
  10. Lower the vehicle.
  11. Remove the 7 mm center bolt (1).
    12. Fig 2: Identifying 7 mm Center Bolt
    G01706305Courtesy of GENERAL MOTORS CORP.
  12. Loosen and remove the remaining engine front cover bolts.
  13. Place two of the front cover bolts in the jack screw holes on the front cover and tighten the bolts evenly to release the front cover from the engine.
  14. Remove the two bolts from the front cover.
  15. Remove the oil pump. Refer to Oil Pump Replacement .
  16. Clean and Inspect the front cover. Refer to Engine Front Cover Cleaning and Inspection in Engine Mechanical - 4.2L Unit Repair.
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