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Home >> Cadillac >> 2021 >> CT4 V, RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Rear Brake Pipe Replacement - Right Side (Rear Brake Front Pipe) >> Installation Procedure

Installation Procedure

  1. GM5525669Courtesy of GENERAL MOTORS COMPANY

    Maneuver the rear brake front pipe (2) back into the vehicle.

  2. Secure the rear brake front pipe into the 5 retainers (1).
  3. GM5525670Courtesy of GENERAL MOTORS COMPANY

    Remove the cap from the rear brake front pipe outlet.

  4. Remove the plug from the brake pipe union inlet.
  5. Secure the rear brake front pipe to the retainer (2).
    6. CAUTION:

    Refer to Fastener Caution .

  6. Rear Brake Pipe Nut (1) - Install and tighten - Fastener Specifications 
  7. GM5525668Courtesy of GENERAL MOTORS COMPANY

    Secure the rear brake front pipe to the 2 retainers (1).

  8. Rear Brake Pipe Nut (2) - Install and tighten - Fastener Specifications 
  9. GM5573133Courtesy of GENERAL MOTORS COMPANY

    {with LSY} Exhaust Front Underbody Heat Shield- Left Side - Install

    1. Exhaust Front Underbody Heat Shield- Left Side (3) - Install
    2. Exhaust Heat Shield Nut (2) - Install and tighten [3x] - Fastener Specifications
    3. Exhaust Heat Shield Bolt (1) - Install and tighten [5x] - Fastener Specifications
  10. GM5318585Courtesy of GENERAL MOTORS COMPANY

    {with L3B} Exhaust Front Underbody Heat Shield- Left Side - Install

    1. Exhaust Front Underbody Heat Shield- Left Side (3) - Install
    2. Exhaust Heat Shield Nut (2) - Install and tighten [3x] - Fastener Specifications
    3. Exhaust Heat Shield Bolt (1) - Install and tighten - Fastener Specifications
  11. GM5403397Courtesy of GENERAL MOTORS COMPANY

    With assistance, remove fuel tank from bench and place on a suitable adjustable jack.

  12. Guide the fuel tank fill hose into the fuel tank fill pipe when raising fuel tank.
  13. Fuel Tank (1) - Install
  14. GM5404295Courtesy of GENERAL MOTORS COMPANY

    Fuel Tank Strap (3) - Install [2x]

  15. Fuel Tank Strap Bolt (2) - Install and tighten [3x] - Fastener Specifications
  16. Fuel Tank Strap Bolt (1) - Install and tighten [2x] - Fastener Specifications
  17. Remove adjustable jack under the fuel tank.
  18. GM5405716Courtesy of GENERAL MOTORS COMPANY

    Evaporative Emission Canister Purge Hose (6) - Connect - Plastic Collar Quick Connect Fitting Service

  19. Fuel Tank Vent Hose (5) - Connect - Plastic Collar Quick Connect Fitting Service
  20. Fuel Tank Filler Evaporative Emission Valve Hose (4) - Connect - Plastic Collar Quick Connect Fitting Service
  21. Fuel Tank Filler Hose - (3) Install
  22. Fuel Tank Filler Hose Clamp (2) - Tighten - Fastener Specifications
  23. Fuel Tank Filler Pipe Ground Bolt (1) Tighten - Fastener Specifications
  24. GM5403393Courtesy of GENERAL MOTORS COMPANY

    Fuel Pump Fuel Feed Hose (2) - Connect - Plastic Collar Quick Connect Fitting Service

  25. Fuel Tank Vent Valve Hose (1) - Connect - Plastic Collar Quick Connect Fitting Service
  26. GM5403392Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Connector (1) - Connect [2x]

  27. Install the harness retainers as needed.
  28. GM5312860Courtesy of GENERAL MOTORS COMPANY

    Fuel Tank Shield (2) - Install

  29. Fuel Tank Shield Retainer (1) - Install [5x]
  30. GM5334765Courtesy of GENERAL MOTORS COMPANY

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

  31. Loosely install a NEW propeller shaft hub clamp (3) to the propeller shaft joint boot.
  32. Support and secure the propeller shaft (2) to a suitable hydraulic jack stand.
  33. Propeller Shaft (2) - Install
  34. 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.
  35. Propeller Shaft Bearing Support Bolt (1) - Install and tighten [2x] - Fastener Specifications
  36. Remove the hydraulic jack stand supporting the propeller shaft.
  37. 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.
  38. Align the relationship marks (2) made on the propeller shaft and the rear differential flange.
  39. Rear Propeller Shaft Bolt (1) - Install [3x]
  40. Rear Propeller Shaft Nut (3) - Loosely install [3x]
  41. Rear Propeller Shaft Bolt (1) - Tighten [3x] - Fastener Specifications
  42. GM5317844Courtesy of GENERAL MOTORS COMPANY
  43. Ensure that the drive shaft boot is completely seated in the output shaft groove prior to crimping the propeller shaft hub clamp (2).
  44. 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).
  45. GM5334717Courtesy of GENERAL MOTORS COMPANY

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

  46. Floor Panel Number 2 Cross Bar Reinforcement Bolt (1) - Install and tighten [4x] - Fastener Specifications
  47. GM5309833Courtesy of GENERAL MOTORS COMPANY

    Exhaust Intermediate Underbody Heat Shield (2) - Install

  48. Exhaust Heat Shield Bolt (1) - Install and tighten [2x] - Fastener Specifications
  49. GM5309214Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Gasket (2) - Install NEW

  50. With the aid of an assistant, install the exhaust system to the vehicle (1)
  51. {If equipped} Electrical Connector @ Exhaust Control Valve Actuator - Connect
  52. GM5309211Courtesy of GENERAL MOTORS COMPANY

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

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

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

  55. Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Left Side (2) - Install
  56. GM5309188Courtesy of GENERAL MOTORS COMPANY

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

  57. GM5400756Courtesy of GENERAL MOTORS COMPANY

    Floor Panel Number 4 Cross Bar Reinforcement (2) - Install

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

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

  60. Underbody Rear Air Deflector Plastic Nut (3) - Install and tighten [3x] - Fastener Specifications
  61. Underbody Rear Air Deflector Bolt (2) - Install and tighten [3x] - Fastener Specifications
  62. Underbody Rear Air Deflector Nut (4) - Install and tighten [2x] - Fastener Specifications
  63. Rear Wheelhouse Liner Screw (1) - Install and tighten - Fastener Specifications
  64. GM5424018Courtesy of GENERAL MOTORS COMPANY

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

  65. Rear Tire Front Air Deflector Bolt (1) - Install and tighten [2x] - Fastener Specifications
  66. GM5400553Courtesy of GENERAL MOTORS COMPANY

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

  67. Underbody Rear Air Deflector Plastic Nut (2) - Install and tighten [3x] - Fastener Specifications
  68. Underbody Rear Air Deflector Bolt (3) - Install and tighten [3x] - Fastener Specifications
  69. Underbody Rear Air Deflector Nut (4) - Install and tighten [2x] - Fastener Specifications
  70. Rear Wheelhouse Liner Screw (1) - Install and tighten - Fastener Specifications
  71. GM5424015Courtesy of GENERAL MOTORS COMPANY

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

  72. Rear Tire Front Air Deflector Bolt (1) - Install and tighten [2x] - Fastener Specifications
  73. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection
  74. Bleed the brake system. Hydraulic Brake System Bleeding (JE5) , or Hydraulic Brake System Bleeding (J55) 
  75. Check for brake system leaks.
  76. Remove drain pan.
  77. Refill the fuel tank.
  78. Inspect for fuel leaks.
  79. Inspect the exhaust system for leaks.
  80. Remove the support and lower the vehicle.
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