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Home >> Pontiac >> 2008 >> Grand Prix GXP >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 3.8L) >> Repair Instructions - On Vehicle >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Engine Electrical Connectors (Left Side)
    GM911140Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (L26) .
  2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  3. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  4. Install the engine support fixture. Refer to Engine Support Fixture .
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  6. Drain the engine oil and remove the oil filter. Refer to Engine Oil and Oil Filter Replacement .
  7. Remove the power steering oil cooler pipe brackets from the frame.
  8. Disconnect the oil level sensor electrical connector (10).
  9. Remove the oil level sensor wiring harness bolt and reposition the oil level sensor wiring harness.
    10. Fig 2: Right Exhaust Manifold & Catalytic Converter Pipe
    GM911163Courtesy of GENERAL MOTORS CORP.
  10. Remove the catalytic converter (3) to the right exhaust manifold pipe stud nuts (2) and reposition the catalytic converter.
  11. Remove the engine mount bracket and the engine mount. Refer to Engine Mount Bracket Replacement - Right Side .
  12. Remove the right and left engine mount strut. Refer to Engine Mount Strut Replacement - Right Side  and Engine Mount Strut Replacement - Left Side .
  13. Remove the torque converter covers. Refer to Torque Converter Cover Replacement .
  14. Lower the vehicle.
  15. Using the engine support fixture raise the engine to gain access for the oil pan removal.
  16. Raise the vehicle.
    17. Fig 3: Oil Level Sensor
    GM97768Courtesy of GENERAL MOTORS CORP.
    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.
  17. Remove the oil level sensor.
    18. Fig 4: View Of Oil Pan & Bolts
    GM1646926Courtesy of GENERAL MOTORS CORP.
  18. Remove the oil pan bolts.
  19. Remove the oil pan.
    20. Fig 5: Oil Pump Screen & Bolts
    GM153599Courtesy of GENERAL MOTORS CORP.
  20. Remove the oil pump pipe screen assembly and gasket.
  21. Clean the following parts:
    • Oil pump screen mating surfaces
    • Oil pan flanges
    • Oil pan rail
    • Front cover
    • Rear main bearing cap
    • Threaded holes
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