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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 557 (Engine Mechanical - 3.8L (On-Vehicle)) >> Repair Instructions >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable.
  2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (L36)  or Fuel Injector Sight Shield Replacement (L67) 
  3. Disconnect the intake air temperature (IAT) sensor electrical connector.
  4. Remove the air inlet duct from the throttle body.
  5. Fig 1: Air Inlet Duct From The Throttle Body
    G01764286Courtesy of GENERAL MOTORS CORP.
  6. Remove the right and the left engine mount struts. Refer to Engine Mount Strut Replacement - Right  or Engine Mount Strut Replacement - Left 
  7. Install the engine support fixture. Refer to Engine Support Fixture 
  8. Raise and support the vehicle.
  9. Remove the right exhaust manifold pipe stud nuts from the catalytic converter.
  10. Drain the engine oil and remove the oil filter. Refer to Engine Oil and Oil Filter Replacement 
  11. Remove the power steering oil cooler pipe brackets from the frame.
  12. Disconnect the oil level sensor electrical connector.
  13. Remove the oil level sensor wiring harness bolt and reposition the oil level sensor wiring harness.
  14. Remove the engine mount lower nuts from the engine mount.
  15. Fig 2: Engine Mount Lower Nuts From The Engine Mount
    G01764287Courtesy of GENERAL MOTORS CORP.
  16. Lower the vehicle.
  17. Use the engine support fixture to raise the engine.
  18. Raise the vehicle.
  19. Remove the left engine mount bracket bolts from the engine.
    Fig 3: Left Engine Mount Bracket Bolts From The Engine
    G01764288Courtesy of GENERAL MOTORS CORP.
  20. Remove the right engine mount bracket bolts from the engine.
  21. Remove the right stabilizer link. Refer to STABILIZER SHAFT LINK REPLACEMENT .
  22. Remove the right ball joint from the steering knuckle. Refer to LOWER CONTROL ARM REPLACEMENT .
  23. Support the frame with jack stands.
  24. Remove the right side frame bolts and loosen the left side frame bolts 5 turns.
  25. Using the jack stands lower the frame.
  26. Remove the engine mount and the bracket from the frame.
    Fig 4: Engine Mount Bracket
    G01764289Courtesy of GENERAL MOTORS CORP.
  27. Remove the torque converter covers. Refer to TORQUE CONVERTER COVER REPLACEMENT in AUTOMATIC TRANSAXLE - 4T65-E .
    NOTE: Remove the oil level sensor, located in the oil pan, before the oil pan is removed. The sensor may be damaged if the oil pan is removed first.
  28. Remove the oil level sensor.
    Fig 5: Oil Level Sensor
    G01764290Courtesy of GENERAL MOTORS CORP.
  29. Remove the oil pan bolts.
  30. Remove the oil pan.
    Fig 6: Oil Pan And Bolts
    G01764291Courtesy of GENERAL MOTORS CORP.
  31. Remove the oil pump pipe screen assembly and the oil pan gasket.
  32. Clean the following parts:
    • Oil pump screen mating surfaces.
    • Oil pan flanges
    • Oil pan rail
    • Engine front cover
    • Rear main bearing cap
    • Threaded holes
    Fig 7: Oil Pump Pipe Screen Assembly
    G01764292Courtesy of GENERAL MOTORS CORP.