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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L (LSY) - Repair Instructions >> Repair Instructions >> Fuel Tank Fuel Pump Module Replacement >> Installation Procedure

Installation Procedure

  1. GM5300199Courtesy of GENERAL MOTORS COMPANY

    Fuel Pump Seal (2) - Install NEW

  2. Fuel Tank Fuel Pump Module (1) - Install
  3. GM5300200Courtesy of GENERAL MOTORS COMPANY

    Transfer Hose (2) - Connect - Plastic Collar Quick Connect Fitting Service 

  4. Fuel Tank Vent Hose (3) - Connect - Plastic Collar Quick Connect Fitting Service 
  5. Electrical Connector (1) - Connect
  6. GM5300198Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Make sure lock ring is fully seated into the fuel tank encapsulated ring.

    Fuel Sender Ring (1) - Install - CH - 45722  Fuel Sender Lock Ring Wrench (2)

  7. GM5300196Courtesy of GENERAL MOTORS COMPANY

    Evaporative Emission Canister Hose (4) - Connect - Plastic Collar Quick Connect Fitting Service 

  8. Fuel Tank Filler Evaporative Emission Valve Hose (3) - Connect - Plastic Collar Quick Connect Fitting Service 
  9. Fuel Pump Fuel Feed Hose (2) - Connect - Plastic Collar Quick Connect Fitting Service 
  10. Electrical Connector (1) - Connect [3x]
  11. GM5403397Courtesy of GENERAL MOTORS COMPANY

    Place a suitable adjustable jack under the fuel tank.

  12. Fuel Tank (1) - Install
  13. GM5404295Courtesy of GENERAL MOTORS COMPANY

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

    14. CAUTION:

    Refer to Fastener Caution .

  14. Fuel Tank Strap Bolt (2) - Install and tighten [3x] - Fastener Specifications
  15. Fuel Tank Strap Bolt (1) - Install and tighten [2x] - Fastener Specifications
  16. GM5403394Courtesy of GENERAL MOTORS COMPANY

    Fuel Tank Vent Hose (5) - Connect - Plastic Collar Quick Connect Fitting Service 

  17. Fuel Tank Filler Evaporative Emission Valve Hose (4) - Connect - Plastic Collar Quick Connect Fitting Service 
  18. Evaporative Emission Canister Purge Hose (3) - Connect - Plastic Collar Quick Connect Fitting Service 
  19. Fuel Tank Filler Hose (2) - Install
  20. Fuel Tank Filler Hose Clamp (1) - Tighten - Fastener Specifications
  21. GM5403393Courtesy of GENERAL MOTORS COMPANY

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

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

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

  24. Install all wiring harness retainers to vehicle.
  25. GM5312860Courtesy of GENERAL MOTORS COMPANY

    Fuel Tank Shield (2) - Install

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

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

  28. Loosely install a NEW propeller shaft hub clamp (3) to the propeller shaft joint boot.
  29. Support and secure the propeller shaft (2) to a suitable hydraulic jack stand.
  30. Propeller Shaft (2) - Install
  31. 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.
  32. Propeller Shaft Bearing Support Bolt (1) - Install and tighten [2x] - Fastener Specifications
  33. Remove the hydraulic jack stand supporting the propeller shaft.
  34. 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.
  35. Align the relationship marks (2) made on the propeller shaft and the rear differential flange.
  36. Rear Propeller Shaft Bolt (1) - Install [3x]
  37. Rear Propeller Shaft Nut (3) - Loosely install [3x]
  38. Rear Propeller Shaft Bolt (1) - Tighten [3x] - Fastener Specifications
  39. GM5317844Courtesy 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).

  40. 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).
  41. GM5334717Courtesy of GENERAL MOTORS COMPANY

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

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

    Exhaust Intermediate Underbody Heat Shield (2) - Install

  44. Exhaust Heat Shield Bolt (1) - Install and tighten [6x] - Fastener Specifications
  45. GM5309214Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Gasket (2) - Install NEW

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

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

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

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

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

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

  53. GM5400756Courtesy of GENERAL MOTORS COMPANY

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

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

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

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

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

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

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

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

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

  68. Rear Tire Front Air Deflector Bolt (1) - Install and tighten [2x] - Fastener Specifications
  69. Remove the support and lower the vehicle.
  70. Inspect the exhaust system for leaks.
  71. Refill the fuel tank.
  72. Inspect for fuel leaks.
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