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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Engine Mechanical - 3.9L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Oil Pan Replacement >> Installation Procedure

Installation 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.
    Fig 1: Identifying Crankshaft Rear Main Bearing Cap
    GM1713977Courtesy of GENERAL MOTORS CORP.
  1. Apply sealer to both sides of the crankshaft rear main bearing cap (1). Refer to Sealers, Adhesives and Lubricants . Press sealer into the gaps using a putty knife.
  2. Fig 2: Identifying Front Cover/Block Mating Area
    GM1713979Courtesy of GENERAL MOTORS CORP.
  3. Apply sealer to both sides of the front cover/block mating area (1). Refer to Sealers, Adhesives and Lubricants .
  4. Install the oil pan gasket.
  5. Install the oil pan.
  6. Fig 3: Identifying Oil Pan Bolts
    GM1583199Courtesy of GENERAL MOTORS CORP.
  7. Install the oil pan bolts (2).

    Tighten :  Tighten the bolts to 25 Nm (18 lb ft).

  8. Install the oil pan side bolts (1).

    Tighten :  Tighten the bolts to 25 Nm (18 lb ft).

  9. Using the jack stands, raise the right side of the frame.
  10. Fig 4: Identifying Left Side Frame Bolts
    GM1677195Courtesy of GENERAL MOTORS CORP.
  11. Install and tighten the right side frame bolts (1) and tighten the left side frame bolts (2).

    Tighten : 

    • Tighten the front frame bolts to 130 Nm (96 lb ft).
    • Tighten the rear frame bolts to 240 Nm (177 lb ft).

  12. Fig 5: Installing Engine Harness & Clips
    GM1677212Courtesy of GENERAL MOTORS CORP.
  13. Install the engine mount. Refer to Engine Mount Replacement (FWD)  or Engine Mount Replacement (AWD) .
  14. Fig 6: Identifying Engine Harness & Clips
    GM1677214Courtesy of GENERAL MOTORS CORP.
  15. Install the engine harness clip to the oil pan.
  16. Connect the engine harness electrical connector to the oil level sensor.
  17. Install the starter. Refer to STARTER MOTOR REPLACEMENT .
  18. Fig 7: Identifying Transaxle Brace
    GM1677238Courtesy of GENERAL MOTORS CORP.
  19. Position the transaxle brace to the transaxle and oil pan.
  20. Install the transaxle brace to transaxle bolt.
  21. Install the transaxle brace to oil pan bolts.

    Tighten:  Tighten the bolt/nut to 43 Nm (32 lb ft).

  22. Position the transaxle brace to the transaxle and the engine block/oil pan.
  23. Install the transaxle brace to transaxle bolts.
  24. Install the transaxle brace to engine block/oil pan bolts.

    Tighten:  Tighten the bolt/nut to 43 Nm (32 lb ft).

  25. Fig 8: Identifying A/C Compressor Front Bolt & Nut
    GM1675217Courtesy of GENERAL MOTORS CORP.
  26. Position the A/C compressor over the front stud and install the A/C compressor front bolt and nut.

    Tighten:  Tighten the bolt/nut to 50 Nm (37 lb ft).

  27. Fig 9: Identifying A/C Compressor Rear Bolt & Nut
    GM1675218Courtesy of GENERAL MOTORS CORP.
  28. Install the A/C compressor rear bolt.

    Tighten:  Tighten the bolt/nut to 50 Nm (37 lb ft).

  29. Install the lower ball joint to the steering knuckle.
  30. Fig 10: Identifying Ball Joint Castle Nut
    GM384426Courtesy of GENERAL MOTORS CORP.
  31. Install the lower ball joint castle nut (1).

    Tighten:  Tighten the bolt/nut to 50 Nm (37 lb ft).

  32. IMPORTANT: DO NOT loosen the castle nut in order to align the slots to the ball joint stud pin hole.
  33. If necessary, tighten the castle nut in order to align one of the slots (1) to the ball joint stud pin hole (2) as shown
  34. Install a NEW cotter pin to the castle nut and ball joint stud.
  35. Fig 11: Securing Cotter Pin In Ball Joint Castle Nut
    GM384428Courtesy of GENERAL MOTORS CORP.
  36. Bend the NEW cotter pin ends as shown in either example.
  37. Fig 12: Identifying Right Lower Control Arm
    GM1677210Courtesy of GENERAL MOTORS CORP.
  38. Install the engine harness clips to the right lower control arm.
  39. Install right front splash shield. Refer to Splash Shield Replacement - Engine .
  40. Install right front wheel and tire. Refer to Tire and Wheel Removal and Installation .
  41. Remove engine support fixture. Refer to Engine Support Fixture .
  42. Fig 13: View Of Oil Drain Plug
    GM1556785Courtesy of GENERAL MOTORS CORP.
  43. Fill the crankcase with NEW oil.