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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 51 (Propeller Shaft) >> Repair Instructions >> Propeller Shaft Replacement (L3B, RWL) >> Installation Procedure

Installation 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. GM5334765Courtesy of GENERAL MOTORS COMPANY

    Apply a thin layer of grease to the transmission output shaft splines (1). Adhesives, Fluids, Lubricants, and Sealers 

  2. Loosely install a NEW propeller shaft hub clamp (3) to the propeller shaft joint boot.
  3. Support and secure the propeller shaft (2) to a suitable hydraulic jack stand.
  4. Propeller Shaft (2) - Install
  5. GM5317838Courtesy of GENERAL MOTORS COMPANY

    Prepare the 2 propeller shaft bearing support bolts (1) 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.
    6. CAUTION:

    Refer to Fastener Caution .

  6. Propeller Shaft Bearing Support Bolt (1) - Install and tighten [2x] - Fastener Specifications 
  7. Remove the hydraulic jack stand supporting the propeller shaft.
  8. GM5317835Courtesy of GENERAL MOTORS COMPANY

    Prepare the 3 rear propeller shaft bolts (1) and nuts (3) 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.
  9. Align the relationship marks (2) made on the propeller shaft and the rear differential flange.
  10. Rear Propeller Shaft Bolt (1) - Install [3x]
  11. Rear Propeller Shaft Nut (3) - Loosely install [3x]
  12. Rear Propeller Shaft Bolt (1) - Tighten [3x] - Fastener Specifications 
  13. GM5765227Courtesy of GENERAL MOTORS COMPANY

    Ensure that the drive shaft boot is completely seated in the output shaft groove prior to crimping the propeller shaft hub clamp (2).

  14. Using the DT-35910  Drive Axle Seal Clamp Pliers (1), crimp the propeller shaft hub clamp (2) until the final crimped outer diameter (a) is 39 - 41 mm (1.54 - 1.61 in).
  15. GM5427478Courtesy of GENERAL MOTORS COMPANY

    Transmission Mount (2) - Install

    16. NOTE:

    For proper bolt alignment, loosely install all mount bolts prior to tightening to specifications.

  16. Transmission Mount Bolt (1) - Loosely install [2x]
  17. GM5427472Courtesy of GENERAL MOTORS COMPANY

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

  18. GM5427478Courtesy of GENERAL MOTORS COMPANY

    Transmission Mount Bolt (1) - Tighten [2x] - Fastener Specifications

  19. GM5427472Courtesy of GENERAL MOTORS COMPANY

    Transmission Mount Bracket Bolt (1) - Tighten [4x] - Fastener Specifications

  20. GM5471168Courtesy of GENERAL MOTORS COMPANY

    Floor Panel Number 2 Cross Bar Reinforcement (1) - Install

  21. Floor Panel Number 2 Cross Bar Reinforcement Bolt (2) - Install and tighten [4x] - Fastener Specifications
  22. GM5309833Courtesy of GENERAL MOTORS COMPANY

    Exhaust Intermediate Underbody Heat Shield (2) - Install

  23. Exhaust Heat Shield Bolt (1) - Install and tighten [6x] - Fastener Specifications
  24. GM5394598Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Gasket (2) - Install NEW

  25. Exhaust Muffler (1) - Install
  26. GM5399464Courtesy of GENERAL MOTORS COMPANY

    { If equipped } Front Crossmember Brace (2) - Install

  27. { If equipped } Front Crossmember Brace Nut (1) - Install and tighten [4x] - Fastener Specifications
  28. GM5309211Courtesy of GENERAL MOTORS COMPANY

    Exhaust Muffler (1) @ Exhaust Rear Muffler Insulator-Right Side (3) - Install

  29. Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Right Side (2) - Install
  30. GM5309202Courtesy of GENERAL MOTORS COMPANY

    Exhaust Muffler (1) @ Exhaust Rear Muffler Insulator - Left Side (3) - Install

  31. Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator - Left Side (2) - Install
  32. GM5394596Courtesy of GENERAL MOTORS COMPANY

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

  33. GM5309188Courtesy of GENERAL MOTORS COMPANY

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

  34. GM5400756Courtesy of GENERAL MOTORS COMPANY

    Floor Panel Reinforcement (2) - Install

  35. Floor Panel Number 4 Cross Bar Reinforcement Bolt (1) - Install and tighten [6x] - Fastener Specifications
  36. GM5400642Courtesy of GENERAL MOTORS COMPANY

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

  37. Underbody Rear Air Deflector Plastic Nut (3) - Install and tighten [3x] - Fastener Specifications
  38. Underbody Rear Air Deflector Bolt (2) - Install and tighten [3x] - Fastener Specifications
  39. Underbody Rear Air Deflector Nut (4) - Install and tighten [2x] - Fastener Specifications
  40. Rear Wheelhouse Liner Screw (1) - Install and tighten - Fastener Specifications
  41. GM5471237Courtesy of GENERAL MOTORS COMPANY

    Rear Tire Front Air Deflector- Right Side (1) - Install

  42. Rear Tire Front Air Deflector Bolt (2) - Install and tighten [2x] - Fastener Specifications
  43. GM5400553Courtesy of GENERAL MOTORS COMPANY

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

  44. Underbody Rear Air Deflector Plastic Nut (2) - Install and tighten [3x] - Fastener Specifications
  45. Underbody Rear Air Deflector Bolt (3) - Install and tighten [3x] - Fastener Specifications
  46. Underbody Rear Air Deflector Nut (4) - Install and tighten [2x] - Fastener Specifications
  47. Rear Wheelhouse Liner Screw (1) - Install and tighten - Fastener Specifications
  48. GM5395705Courtesy of GENERAL MOTORS COMPANY

    Rear Tire Front Air Deflector- Left Side (2) - Install

  49. Rear Tire Front Air Deflector Bolt (1) - Install and tighten [2x] - Fastener Specifications
  50. Inspect the exhaust system for leaks.
  51. Remove the support and lower the vehicle.
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