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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 116 (Manual Transmission - TREMEC 6-Speed (Mg9) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Manual Transmission Gear Position Sensor Replacement >> 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. Install the manual transmission gear position sensor seal.
  2. GM4044865Courtesy of GENERAL MOTORS COMPANY

    Position the manual transmission gear position sensor (3) to the transmission.

    3. CAUTION:

    Refer to Fastener Caution .

  3. Install the 4 manual shift shaft position switch bolt (2) and tighten. Fastener Specifications
  4. Connect the manual transmission gear position sensor electrical connector (1).
    5. NOTE:

    Before installing the manual transmission control, ensure that the shift shaft it is clean of dirt or lubricants.

  5. Install the manual transmission control to the transmission.
  6. GM5868083Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The view is for better understanding of component.

    Install the right manual transmission control lever base pin (2).

  7. Install the left manual transmission control lever base pin (2).
  8. GM5868084Courtesy of GENERAL MOTORS COMPANY

    Install the manual transmission control lever base pin (2).

  9. Install the 2 manual transmission control lever base pin retainers (1).
  10. Raise the transmission.
  11. GM5867368Courtesy of GENERAL MOTORS COMPANY

    Transmission Mount (2) - Install

    12. NOTE:

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

  12. Transmission Mount Bolt (1) - Loosely install [2x]
  13. GM5867366Courtesy of GENERAL MOTORS COMPANY

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

  14. GM5867368Courtesy of GENERAL MOTORS COMPANY

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

  15. GM5867366Courtesy of GENERAL MOTORS COMPANY

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

  16. Remove the jack stand.
  17. GM5867503Courtesy of GENERAL MOTORS COMPANY

    Position the propeller shaft (1) in the vehicle.

  18. GM5863691Courtesy of GENERAL MOTORS COMPANY

    If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:

    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.
  19. Install the 2 propeller shaft bearing support bolts (1) and tighten. Fastener Specifications
  20. GM5863695Courtesy of GENERAL MOTORS COMPANY

    Align the reference mark (3) between the propeller shaft flange (1) and the rear axle pinion flange (2).

  21. GM5863697Courtesy of GENERAL MOTORS COMPANY

    If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:

    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.
  22. Install the 3 rear propeller shaft nuts (2) and the 3 rear propeller shaft bolts (1).
  23. Tighten the 3 rear propeller shaft nuts (2). Fastener Specifications
  24. GM5867501Courtesy of GENERAL MOTORS COMPANY

    Align the reference mark (2) between the propeller shaft flange (3) and the output flange (1) of the transmission.

  25. GM5867502Courtesy of GENERAL MOTORS COMPANY

    If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:

    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.
  26. Install the 3 front propeller shaft nuts (1) and the 3 front propeller shaft bolts (2).
  27. Tighten the 3 front propeller shaft bolts (1). Fastener Specifications
  28. GM5334717Courtesy of GENERAL MOTORS COMPANY

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

  29. Floor Panel Number 2 Cross Bar Reinforcement Bolt (1) - Install and tighten [4x] - Fastener Specifications
  30. GM5865888Courtesy of GENERAL MOTORS COMPANY

    Exhaust Intermediate Underbody Heat Shield (2) - Install

  31. Exhaust Heat Shield Bolt (1) - Install and tighten [2x] - Fastener Specifications
  32. GM5865329Courtesy of GENERAL MOTORS COMPANY

    Catalytic Converter Gasket (2) - Install NEW

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

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

  35. GM5865293Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Connect

  36. GM5865287Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Connect

  37. GM5406632Courtesy of GENERAL MOTORS COMPANY

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

  38. GM5406578Courtesy of GENERAL MOTORS COMPANY

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

  39. GM5865271Courtesy of GENERAL MOTORS COMPANY

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

  40. GM5865265Courtesy of GENERAL MOTORS COMPANY

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

  41. GM5400756Courtesy of GENERAL MOTORS COMPANY

    Floor Panel Reinforcement (2) - Install

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

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

  44. Underbody Rear Air Deflector Nut- Left Side (4) - Install and tighten [2x] - Fastener Specifications
  45. Transmission Fluid Cooler Pipe Bracket Bolt- Left Side (3) - Install and tighten [2x] - Fastener Specifications
  46. Underbody Rear Air Deflector Nut- Left Side (2) - Install and tighten [5x] - Fastener Specifications
  47. Underbody Front Air Deflector Bolt- Left Side (1) - Install and tighten [6x] - Fastener Specifications
  48. GM5839256Courtesy of GENERAL MOTORS COMPANY

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

  49. Underbody Rear Air Deflector Nut- Right Side (4) - Install and tighten [2x] - Fastener Specifications
  50. Transmission Fluid Cooler Pipe Bracket Bolt- Right Side (3) - Install and tighten [2x] - Fastener Specifications
  51. Underbody Rear Air Deflector Nut- Right Side (2) - Install and tighten [5x] - Fastener Specifications
  52. Underbody Front Air Deflector Bolt- Right Side (1) - Install and tighten [6x] - Fastener Specifications
  53. GM5400642Courtesy of GENERAL MOTORS COMPANY

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

  54. Underbody Rear Air Deflector Nut- Right Side (3) - Install and tighten [3x] - Fastener Specifications
  55. Underbody Rear Air Deflector Bolt- Right Side (2) - Install and tighten [3x] - Fastener Specifications
  56. Underbody Rear Air Deflector Nut- Right Side (4) - Install and tighten [2x] - Fastener Specifications
  57. Rear Wheelhouse Liner Bolt- Right Side (1) - Install and tighten - Fastener Specifications
  58. GM5400553Courtesy of GENERAL MOTORS COMPANY

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

  59. Underbody Rear Air Deflector Nut- Left Side (2) - Install and tighten [3x] - Fastener Specifications
  60. Underbody Rear Air Deflector Bolt- Left Side (3) - Install and tighten [3x] - Fastener Specifications
  61. Underbody Rear Air Deflector Nut- Left Side (4) - Install and tighten [2x] - Fastener Specifications
  62. Rear Wheelhouse Liner Bolt- Left Side (1) - Install and tighten - Fastener Specifications
  63. GM5395705Courtesy of GENERAL MOTORS COMPANY

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

  64. Rear Tire Front Air Deflector Bolt- Left Side and Right Side (1) - Install and tighten [4x] - Fastener Specifications
  65. GM5868075Courtesy of GENERAL MOTORS COMPANY

    Pull up and outward on the tabs on the closeout boot (3) to clear the body structure.

  66. Install the 4 manual transmission control bracket bolts (1, 2) securing the shift control assembly to the tunnel reinforcement, then tighten. Fastener Specifications
  67. GM5868067Courtesy of GENERAL MOTORS COMPANY

    Install the manual transmission control lever lower boot (1) to the manual transmission control (2).

  68. GM5873426Courtesy of GENERAL MOTORS COMPANY

    Front Floor Console Wiring Harness Extension Harness (1) - Install

  69. GM5873473Courtesy of GENERAL MOTORS COMPANY

    Wireless Charging System Module (2) - Install

  70. Wireless Charging System Module Bolt (1) - Install and tighten [2x] - Fastener Specifications
  71. Connect the electrical connector.
  72. GM5873480Courtesy of GENERAL MOTORS COMPANY

    Vehicle Stability Control System Switch (2) - Install

  73. Auxiliary Multifunction Switch Bolt (1) - Install and tighten [3x] - Fastener Specifications
  74. Connect the electrical connector.
  75. GM5868026Courtesy of GENERAL MOTORS COMPANY

    Connect the electrical connector.

  76. Front Floor Console Trim Plate (1) - Install
  77. GM5868061Courtesy of GENERAL MOTORS COMPANY

    If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:

    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.
  78. Position the transmission control lever boot and knob assembly (1, 2) on the manual transmission control lever.
  79. Tighten the manual transmission control lever knob bolt (3). Fastener Specifications
  80. Install the manual transmission control lever boot (2) to the console.
  81. Remove the support and lower the vehicle.
  82. Inspect the exhaust system for leaks.
  83. Perform the manual transmission gear position sensor learn procedure. Gear Position Sensor Learn 
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