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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 203 (Engine Mechanical - 3.5L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE in Engine Electrical.
  2. Install the engine support fixture. Refer to Engine Support Fixture .
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Drain the crankcase.
  5. Remove the right front tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  6. Remove the right front splash shield. Refer to Splash Shield Replacement - Engine in Body Front End.
  7. Remove the wheel speed sensor harness from the right suspension support.
  8. Remove the right front ball joint, bolt and nut. Separate the ball joint from the steering knuckle. Refer to Lower Control Arm Replacement in Front Suspension.
  9. Remove lower closeout panel.
    10. Fig 1: View Of A/C Compressor, Bolts & Brace
    GM63664Courtesy of GENERAL MOTORS CORP.
  10. Remove the air conditioning (A/C) compressor bolts and position the compressor aside.
  11. Remove the braces that support the engine to the transmission.
  12. Remove the starter. Refer to STARTER MOTOR REPLACEMENT in Engine Electrical.
  13. Disconnect the oil level sensor.
  14. Remove the retainers that secure the brake line to the frame.
  15. Remove the right side engine mount nuts and bolts. Refer to Engine Mount Replacement - Right .
  16. Loosen the left side cradle bolts. Refer to Frame Replacement - Front in Frame and Underbody.
  17. Remove the frame bolts from the right front and the right rear.
    18. Fig 2: View Of Oil Pan & Bolts
    GM54394Courtesy of GENERAL MOTORS CORP.
  18. Remove the oil pan side bolts.
  19. Remove the oil pan bolts.
  20. Remove the oil pan.
  21. Remove the oil pan gasket.
  22. Clean the following items:
    • The oil pan flanges
    • The oil pan rail
    • The front cover
    • The rear main bearing cap
    • The threaded holes
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