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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Wheel Drive Shafts) >> Repair Instructions >> Rear Wheel Drive Shaft Replacement - Left Side (LF4) >> Installation Procedure

Installation Procedure

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  1. GM5864777Courtesy of GENERAL MOTORS COMPANY

    Rear Wheel Drive Shaft Washer (1) - Install NEW

  2. GM5864797Courtesy of GENERAL MOTORS COMPANY

    Rear Wheel Drive Shaft (1) - Install

  3. GM5864795Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

    Due to the unknown shelf life, prepare the 6 NEW rear wheel drive shaft universal joint retainer (2) for installation as follows:

    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers 
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  4. Install 3 NEW rear wheel drive shaft flange washers (1).
    5. CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

    CAUTION:

    Refer to Fastener Caution .

  5. Install and tighten the 6 rear wheel drive shaft universal joint retainer (2) in a crisscross pattern. Fastener Specifications 
  6. GM5334525Courtesy of GENERAL MOTORS COMPANY

    Rear Suspension Lower Control Arm Cover (2) - Install

  7. Install the 4 rear spring pins (1).
  8. GM5865329Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Gasket (2) Install NEW

  9. With the aid of an assistant, install the exhaust muffler (1).
  10. GM5865300Courtesy of GENERAL MOTORS COMPANY

    Exhaust Muffler Hanger Bracket Nut (1) - Install and tighten [4x] - Fastener Specifications

  11. GM5865293Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Connect

  12. GM5865287Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Connect

  13. GM5406632Courtesy of GENERAL MOTORS COMPANY

    Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator - Right Side (2) - Install [2x]

  14. GM5406578Courtesy of GENERAL MOTORS COMPANY

    Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator - Left Side (2) - Install [2x]

  15. GM5865271Courtesy of GENERAL MOTORS COMPANY

    Exhaust Pipe Clamp (1) - Tighten [2x] - Fastener Specifications

  16. GM5865265Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Nut (1) - Install and tighten [2x] - Fastener Specifications

  17. GM5400756Courtesy of GENERAL MOTORS COMPANY

    Floor Panel Reinforcement (2) - Install

  18. Floor Panel Number 4 Cross Bar Reinforcement Bolt (1) - Install and tighten [6x] - Fastener Specifications
  19. GM5854893Courtesy of GENERAL MOTORS COMPANY

    Underbody Front Air Deflector- Left Side (5) - Install

  20. Underbody Rear Air Deflector Bolt- Left Side (4) - Install and tighten [2x] - Fastener Specifications
  21. Transmission Fluid Cooler Pipe Bracket Bolt- Left Side (3) - Install and tighten [2x] - Fastener Specifications
  22. Underbody Front Air Deflector Nut- Left Side (2) - Install and tighten [5x] - Fastener Specifications
  23. Underbody Front Air Deflector Bolt- Left Side (1) - Install and tighten [6x] - Fastener Specifications
  24. GM5839256Courtesy of GENERAL MOTORS COMPANY

    Underbody Front Air Deflector- Right Side (5) - Install

  25. Underbody Rear Air Deflector Bolt- Left Side (4) - Install and tighten [2x] - Fastener Specifications
  26. Transmission Fluid Cooler Pipe Bracket Bolt- Right Side (3) - Install and tighten [2x] - Fastener Specifications
  27. Underbody Front Air Deflector Nut- Right Side (2) - Install and tighten [5x] - Fastener Specifications
  28. Underbody Front Air Deflector Bolt- Right Side (1) - Install and tighten [6x] - Fastener Specifications
  29. GM5400642Courtesy of GENERAL MOTORS COMPANY

    Underbody Rear Air Deflector- Right Side (5) - Install

  30. Underbody Rear Air Deflector Nut- Right Side (3) - Install and tighten [3x] - Fastener Specifications
  31. Underbody Rear Air Deflector Bolt- Right Side (2) - Install and tighten [3x] - Fastener Specifications
  32. Underbody Rear Air Deflector Nut- Right Side (4) - Install and tighten [2x] - Fastener Specifications
  33. Rear Wheelhouse Liner Bolt- Right Side (1) - Install and tighten - Fastener Specifications
  34. GM5400553Courtesy of GENERAL MOTORS COMPANY

    Underbody Rear Air Deflector- Left Side (5) - Install

  35. Underbody Rear Air Deflector Nut- Left Side (2) - Install and tighten [3x] - Fastener Specifications
  36. Underbody Rear Air Deflector Bolt- Left Side (3) - Install and tighten [3x] - Fastener Specifications
  37. Underbody Rear Air Deflector Nut- Left Side (4) - Install and tighten [2x] - Fastener Specifications
  38. Rear Wheelhouse Liner Bolt- Left Side (1) - Install and tighten - Fastener Specifications
  39. GM5395705Courtesy of GENERAL MOTORS COMPANY

    Rear Tire Front Air Deflector- Left Side and Right Side (2) - Install [2x]

  40. Rear Tire Front Air Deflector Bolt- Left Side and Right Side (1) - Install and tighten [4x] - Fastener Specifications
  41. Have an assistant apply the brakes.
  42. GM5864780Courtesy of GENERAL MOTORS COMPANY

    Rear Wheel Drive Shaft Nut (1) - Install NEW and tighten - Fastener Specifications 

  43. Install the left rear tire and wheel assembly. Tire and Wheel Removal and Installation
  44. Inspect the exhaust system for leaks.
  45. Remove the support and lower the vehicle.
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