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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 67 (Rear Drive Axle - Repair Instructions) >> Repair Instructions >> Differential Carrier Rear Bushing Replacement (L3B, RWL) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. GM5482906

    Clean any dirt from around the differential carrier fill plug (1).

  3. Place a suitable drain pan under the differential carrier.
  4. Differential Carrier Fill Plug (1) - Remove
  5. GM5482908

    Clean any dirt from around the differential carrier drain plug (1).

  6. Differential Carrier Drain Plug (1) - Remove
  7. GM5395705

    Rear Tire Front Air Deflector Bolt (1) - Remove [2x]

  8. Rear Tire Front Air Deflector- Left Side (2) - Remove
  9. GM5400553

    Rear Wheelhouse Liner Screw (1) - Remove

  10. Underbody Rear Air Deflector Plastic Nut (2) - Remove [3x]
  11. Underbody Rear Air Deflector Bolt (3) - Remove [3x]
  12. Underbody Rear Air Deflector Nut (4) - Remove [2x]
  13. Underbody Rear Air Deflector- Left Side (5) - Remove
  14. GM5471237

    Rear Tire Front Air Deflector Bolt (2) - Remove [2x]

  15. Rear Tire Front Air Deflector- Right Side (1) - Remove
  16. GM5400642

    Rear Wheelhouse Liner Screw (1) - Remove

  17. Underbody Rear Air Deflector Bolt (2) - Remove [3x]
  18. Underbody Rear Air Deflector Plastic Nut (3) - Remove [3x]
  19. Underbody Rear Air Deflector Nut (4) - Remove [2x]
  20. Underbody Rear Air Deflector- Right Side (5) - Remove
  21. GM5471236

    Floor Panel Number 4 Cross Bar Reinforcement Bolt (2) - Remove [6x]

  22. Floor Panel Reinforcement (1) - Remove
  23. GM5309188

    Catalytic Converter Nut (1) - Remove [2x]

  24. GM5394596

    Electrical Connector (1) @ Exhaust Control Valve Actuator - Disconnect [2x]

  25. GM5309202

    Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Left Side (2) - Separate

  26. Exhaust Muffler (1) @ Exhaust Rear Muffler Insulator-Left Side (3) - Separate
  27. GM5309211

    Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Right Side (2) - Separate

  28. Exhaust Muffler (1) @ Exhaust Rear Muffler Insulator-Right Side (3) - Separate
  29. GM5399464

    { If equipped } Front Crossmember Brace Nut (1) - Remove [4x]

  30. { If equipped } Front Crossmember Brace (2) - Remove
  31. GM5394598
    NOTE:

    With the aid of an assistant, lower the exhaust system from the vehicle.

    Exhaust Muffler (1) - Remove

  32. Catalytic Converter Gasket (2) - Remove and DISCARD
  33. GM5309833

    Exhaust Heat Shield Bolt (1) - Remove [6x]

  34. Exhaust Intermediate Underbody Heat Shield (2) - Remove
  35. GM5471168

    Floor Panel Number 2 Cross Bar Reinforcement Bolt (2) - Remove [4x]

  36. Floor Panel Number 2 Cross Bar Reinforcement (1) - Remove
  37. GM5507958

    Propeller Shaft Hub Clamp (1) - Remove and DISCARD

  38. Using a suitable jack stand, support the rear of the transmission.
  39. GM5427472

    Transmission Mount Bracket Bolt (1) - Remove [4x]

  40. GM5427478

    Transmission Mount Bolt (1) - Remove [2x]

  41. Transmission Mount (2) - Remove
  42. GM5317835

    Mark (2) the relationship of the propeller shaft to the rear differential flange using a paint pen.

    43. CAUTION:

    When removing the propeller shaft, do not remove the propeller shaft coupler from the propeller shaft assembly. The only bolts that should be removed are those that mount each coupler to the transmission output flange, and to the rear drive axle input flange. Failure to properly remove the propeller shaft assembly may cause coupler damage, resulting in necessary replacement of the entire propeller shaft.

  43. Rear Propeller Shaft Nut (3) - Remove [3x]
  44. Rear Propeller Shaft Bolt (1) - Remove [3x]
  45. Support and secure the propeller shaft to a suitable hydraulic jack stand.
  46. GM5317838

    Propeller Shaft Bearing Support Bolt (1) - Remove [2x]

  47. GM5317841

    Propeller Shaft (1) - Remove

  48. GM5457792
    NOTE:

    The rear wheel drive shaft universal joint retainer (1) and washers (2) are serviced as a rear wheel drive shaft universal joint retainer kit consisting of 2 bolts and 1 washer.

    Remove and DISCARD the 6 rear wheel drive shaft universal joint retainer (1).

  49. Remove and DISCARD the 3 wheel drive shaft washers (2).
  50. GM5461601

    Reposition the rear wheel drive shaft (1) to clear the rear axle shaft.

  51. GM5342244
    NOTE:

    The rear wheel drive shaft universal joint retainer (1) and washers (2) are serviced as a rear wheel drive shaft universal joint retainer kit consisting of 2 bolts and 1 washer.

    Remove and DISCARD the 6 rear wheel drive shaft universal joint retainer (1).

  52. Remove and DISCARD the 3 wheel drive shaft washers (2).
  53. GM5459257

    Reposition the rear wheel drive shaft (1) to clear the rear axle shaft.

  54. GM5465601

    Position a jack under the differential carrier assembly.

  55. Differential Carrier Rear Bolt (1) - Remove and DISCARD
  56. GM5466633

    Differential Carrier Nut (2) - Remove [2x]

  57. Differential Carrier Front Bolt (1) - Remove [2x]
  58. GM5467482

    Differential Carrier Assembly (1) - Remove

  59. GM5471169
    NOTE:

    Mark the orientation of the bushing with reference to the original position.

    Using the DT-50806  Bushing Remover/Installer (1), Remove and DISCARD the differential carrier rear bushing.

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