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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (Engine Mechanical - 3.8L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Replacing Oil Pan >> Installation

Replacing Oil Pan: Installation

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Oil Pump Pipe Screen Assembly & Oil Pan Gasket
    GM97769Courtesy of GENERAL MOTORS CORP.
  1. Install the oil pan gasket and the oil pump pipe screen assembly.
    2. NOTE: Refer to Fastener Notice in General Information.
  2. Install the oil pump pipe screen bolts.

    Tighten:  Tighten the bolts to 15 N.m (11 Ft. Lbs.).

    3. NOTE: Install the oil level sensor, located in the oil pan, after the oil pan is installed. The sensor may be damaged if the oil level sensor is installed first.
    Fig 2: Oil Pan & Bolt
    GM97771Courtesy of GENERAL MOTORS CORP.
  3. Install the oil pan.
  4. Clean the oil pan bolts and apply one drop of thread lock compound GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the oil pan bolt threads.
  5. Install the oil pan bolts.

    Tighten:  Tighten the oil pan bolts to 14 N.m (125 lb in).

    6. Fig 3: Oil Level Sensor
    GM97768Courtesy of GENERAL MOTORS CORP.
  6. Install the oil level sensor.

    Tighten:  Tighten the sensor to 20 N.m (15 Ft. Lbs.).

  7. Install the torque converter covers. Refer to Torque Converter Cover Replacement in Automatic Transaxle - 4T65-E.
  8. Install the engine mount and the engine mount bracket. Refer to Replacing Engine Mount - Front  and Replacing Engine Mount Bracket - Front .
    9. Fig 4: Right Exhaust Manifold & Catalytic Converter Pipe
    GM911163Courtesy of GENERAL MOTORS CORP.
  9. Install the catalytic converter (3) to the right exhaust manifold.
  10. Install the catalytic converter pipe stud nuts (2).

    Tighten:  Tighten the nuts to 32 N.m (24 Ft. Lbs.).

  11. Install the oil level sensor wiring harness and the oil level sensor wiring harness bolt to the engine.

    Tighten:  Tighten the bolt to 10 N.m (89 lb in).

    12. Fig 5: View Of Engine Electrical Connectors (Left Side)
    GM911140Courtesy of GENERAL MOTORS CORP.
  12. Connect the oil level sensor electrical connector (10).
  13. Install the power steering oil cooler pipe brackets to the frame.
  14. Install the engine oil filter.
  15. Lower the vehicle.
  16. Remove the engine support fixture.
  17. Install the right engine mount strut. Refer to Replacing Engine Mount Strut - Right .
  18. Install the left engine mount strut. Refer to Replacing Engine Mount Strut - Left .
  19. Fill the crankcase with engine oil. Refer to Engine Oil and Oil Filter Replacement .
  20. Install the air cleaner intake duct. Refer to Air Cleaner Intake Duct Replacement in Engine Controls - 3.8L.
  21. Install the fuel injector sight shield. Refer to Replacing Fuel Injector Sight Shield .
  22. Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure (L26) in Engine Electrical.
  23. Inspect for leaks.
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