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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Mechanical - 3.6L (3 Of 5)) >> ON-VEHICLE REPAIR INSTRUCTIONS (2 Of 2) >> Oil Pan Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Remove the tires and wheels. Refer to Tire and Wheel Removal and Installation .
  2. Remove the oil level indicator.
  3. Remove the engine splash shields. Refer to Engine Splash Shield Replacement .
  4. Drain the engine of oil.
    5. IMPORTANT: In the following service procedure, DO NOT remove the brake calipers. Relocate them to the side and properly support them.
  5. Remove the brake calipers and relocate to the side. Refer to Front Brake Caliper Replacement .
    6. Fig 1: Identifying Strut Upper Mounting Nuts
    GM1209238Courtesy of GENERAL MOTORS CORP.
  6. Remove the retaining bolts for the struts.
    7. Fig 2: Securing Power Steering Gear To Exhaust Manifold
    GM378919Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: In the following service procedure, DO NOT remove the steering rack from the vehicle. Relocate the steering rack and support the steering rack.
  7. Remove the steering rack from the frame. Refer to Steering Gear Replacement .
  8. Remove the tie rods from the steering knuckle. Refer to Rack and Pinion Outer Tie Rod End Replacement .
  9. Remove the power steering cooler lines from the retainers on the frame.
  10. Remove the transmission cooler lines from the retainers on the frame.
    11. Fig 3: View Of Wiring Harness, Retainers and Cradle
    GM1581006Courtesy of GENERAL MOTORS CORP.
  11. Remove the battery cable wiring harness from the retainers on the frame.
    12. Fig 4: Locating Wheel Speed Sensor Electrical Connector
    GM1580150Courtesy of GENERAL MOTORS CORP.
  12. Disconnect the speed sensor electrical connectors.
    13. Fig 5: View Of Front Wheel Speed Sensor Harness Connectors
    GM1209233Courtesy of GENERAL MOTORS CORP.
  13. Remove the speed sensor wiring harness from the retainers on the frame.
    14. Fig 6: Identifying J 28467-34
    GM1401475Courtesy of GENERAL MOTORS CORP.
  14. Install the engine support fixture. Refer to Engine Support Fixture .
    15. Fig 7: Identifying Engine Mount Lower Nuts
    GM96002Courtesy of GENERAL MOTORS CORP.
  15. Remove the right engine mount nuts.
  16. Remove the transmission mount bolts.
  17. Remove the engine mount struts. Refer to the following procedures:
    18. Fig 8: View Of Bolts From Front Frame Of Body
    GM1208433Courtesy of GENERAL MOTORS CORP.
  18. Remove the frame mounting bolts. Front shown, rear similar.
    19. IMPORTANT: Before lowering the frame, make sure that all transmission lines, power steering lines, and electrical harness have been disconnected and relocated to ensure that nothing will be damaged while lowering the frame.
    Lower the frame enough to remove the oil pan assembly.
  19. Lower the frame. Refer to Frame Replacement .
  20. Disconnect the oil level senor electrical connector.
    21. Fig 9: Identifying Oil Pan Bolts
    GM1581036Courtesy of GENERAL MOTORS CORP.
  21. Remove the oil pan bolts.
    22. Fig 10: Identifying Pry Points On Edge Of Oil Pan
    GM1412169Courtesy of GENERAL MOTORS CORP.
  22. Using the pry points on the oil pan, separate the oil pan from the engine block.
    23. Fig 11: View Of Oil Pan
    GM1581040Courtesy of GENERAL MOTORS CORP.
  23. Remove the oil pan from the vehicle.
  24. Disassemble the oil pan. Refer to Oil Pan Disassemble .
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