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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 752 (Engine Mechanical) >> Repair Instructions >> On-Vehicle Repair Instructions >> Engine Front Cover Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the engine cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM  in Engine Cooling.
  2. Drain the engine oil. Refer to ENGINE OIL AND OIL FILTER REPLACEMENT   . 
  3. Remove the crankshaft balancer. Refer to CRANKSHAFT BALANCER REPLACEMENT   . 
  4. Remove the drive belt tensioner. Refer to DRIVE BELT TENSIONER REPLACEMENT   . 
  5. Remove the power steering pump with lines. Move the power steering pump aside. Refer to POWER STEERING PUMP REPLACEMENT  Power Steering System.
    Fig 1: Removing Upper Crankshaft Position Sensor Wiring Harness Bracket
    G01485453Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the thermostat bypass pipe from the engine front cover. Refer to THERMOSTAT BYPASS PIPES REPLACEMENT  in Engine Cooling.
  7. Disconnect the radiator outlet hose from the front cover. Refer to RADIATOR HOSE REPLACEMENT - OUTLET  in Engine Cooling.
  8. Remove the coolant pump pulley. Refer to WATER PUMP REPLACEMENT  in Engine Cooling.
  9. Remove the upper crankshaft position sensor wiring harness bracket from the engine front cover.
  10. Remove the lower crankshaft position sensor wiring harness bracket from the engine front cover.
    Fig 2: Removing Lower Crankshaft Position Sensor Wiring Harness Bracket
    G01485454Courtesy of GENERAL MOTORS CORP.
  11. Remove the engine front cover bolts (1), (2), and (3).
  12. Remove the engine front cover.
  13. Remove the engine front cover gasket.
  14. Inspect the engine front cover for damage to the engine front cover, crankshaft front oil seal or the gasket sealing surface.
    Fig 3: Removing Engine Front Cover Bolts
    G01485455Courtesy of GENERAL MOTORS CORP.
  15. If you are REPLACING the engine front cover, remove the drive belt shield.
  16. If you are REPLACING the engine front cover, remove the crankshaft position sensor from the engine front cover. Refer to ENGINE CONTROLS - REMOVAL & INSTALLATION & OVERHAUL  or ENGINE CONTROLS - REMOVAL & INSTALLATION & OVERHAUL  in Removal and Installation.
  17. If you are REPLACING the engine front cover, remove the coolant pump from the engine front cover. Refer to WATER PUMP REPLACEMENT  in Engine Cooling.
    Fig 4: Removing Drive Belt Shield And Bolt
    G01485456Courtesy of GENERAL MOTORS CORP.