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Home >> Cadillac >> 2021 >> CT4 V, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 69 (Automatic Transmission - 10L60 (MQA) Or 10L80 (MHU) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Replacement (All Wheel Drive) >> 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. Support the transmission with a suitable jack.
  2. GM5536478Courtesy of GENERAL MOTORS COMPANY

    Remove the J-21366  strap (1) from the transmission bell housing.

  3. GM5522056Courtesy of GENERAL MOTORS COMPANY

    Install the transmission. (1)

  4. GM5522047Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Transmission Bolt (1) - Install and tighten [3x] - Fastener Specifications

  5. Transmission Stud (1) - Install and tighten - Fastener Specifications
  6. GM5523009Courtesy of GENERAL MOTORS COMPANY

    Transmission Stud (1) - Install and tighten - Fastener Specifications

  7. GM5522052Courtesy of GENERAL MOTORS COMPANY

    Transmission Bolt (1) - Install and tighten [3x] - Fastener Specifications

  8. Transmission Stud (1) - Install and tighten - Fastener Specifications
  9. Connect the transmission vent hose to the engine.
  10. GM5522054Courtesy of GENERAL MOTORS COMPANY

    Connect the electrical connector. (1)

  11. Install the 5 retainers (2).
  12. GM5342773Courtesy of GENERAL MOTORS COMPANY

    Prepare the transmission torque converter 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.
    13. NOTE:

    For proper alignment of all torque converter bolts, install the first torque converted bolt in the oval shaped hole.

    NOTE:

    Rotate the harmonic balancer center bolt clockwise ONLY, to align the torque converter bolt with the starter opening.

  13. Transmission Torque Converter Bolt (1) - Install and tighten [6x] - Fastener Specifications
  14. GM5417288Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Generator Battery Jumper Cable (2) - Install

  15. Battery Positive Cable Nut (1) @ Starter Solenoid - Install and tighten - Fastener Specifications
  16. Electrical Connector (4) - Connect
  17. Starter (3) - Install
  18. GM5417249Courtesy of GENERAL MOTORS COMPANY

    Starter Bolt (2) - Install and tighten [2x] - Fastener Specifications

  19. Starter Stud (1) - Install and tighten - Fastener Specifications
  20. GM5417233Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Generator Battery Jumper Cable - Install

  21. Auxiliary Generator Battery Jumper Cable Terminal Nut (1) - Install and tighten - Fastener Specifications
  22. Retainer (3) - Engage
  23. GM5396466Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Seal (2) - Install NEW [2x]

  24. Engine Oil Cooler (1) - Install
  25. GM5396459Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Bolt (1) - Install and tighten [4x] - Fastener Specifications

  26. GM5396452Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Coolant Inlet Hose (3) @ Engine Oil Cooler - Install

  27. Engine Oil Cooler Coolant Outlet Hose (2) @ Engine Oil Cooler - Install
  28. Hose Clamp (1) - Engage [2x] - Hose Clamp Replacement Guidelines - Spring Type
  29. GM5485960Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Fluid Cooling Exchanger (2) - Install

  30. Automatic Transmission Fluid Cooling Exchanger Bolt (1) - Install and tighten [3x] - Fastener Specifications
  31. GM5485959Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Seal (1) - Install NEW [2x]

  32. GM5485958Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Remove the caps from the fittings and plugs from the holes before installing the transmission fluid cooler pipes.

    Transmission Fluid Cooler Inlet and Outlet Pipe (2) @ Automatic Transmission Fluid Cooling Exchanger - Install

  33. Transmission Fluid Cooler Pipe Connector Bolt (1) - Install and tighten [2x] - Fastener Specifications
  34. GM5485957Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Fluid Cooling Heat Exchanger Outlet Hose (4) @ Automatic Transmission Fluid Cooling Exchanger - Install

  35. Automatic Transmission Fluid Cooling Heat Exchanger Outlet Hose Clamp (3) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  36. Automatic Transmission Fluid Cooling Heat Exchanger Inlet Hose (2) @ Automatic Transmission Fluid Cooling Exchanger - Install
  37. Automatic Transmission Fluid Cooling Heat Exchanger Inlet Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  38. GM5485767Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Thermal Bypass Valve Gasket (2) - Install NEW [4x]

  39. GM5485765Courtesy of GENERAL MOTORS COMPANY

    Transmission Cooler Bypass Valve (2) - Install

  40. Transmission Fluid Cooler Thermal Bypass Valve Bolt (1) - Install and tighten - Fastener Specifications
  41. GM5485764Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Remove the caps from the fittings and plugs from the holes before installing the transmission fluid cooler pipes.

    Transmission Fluid Cooler Inlet and Outlet Pipe (2) @ Transmission Cooler Bypass Valve - Install

  42. Transmission Fluid Cooler Pipe Bracket Nut (1) - Install and tighten - Fastener Specifications
  43. GM5485763Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Remove the caps from the fittings and plugs from the holes before installing the transmission fluid cooler pipes.

    Transmission Fluid Cooler Inlet and Outlet Pipe (2) @ Transmission Cooler Bypass Valve - Install

  44. Transmission Fluid Cooler Pipe Bracket Nut (1) - Install and tighten - Fastener Specifications
  45. Transfer Case Assembly - Install - Transfer Case Assembly Replacement
  46. Lower the vehicle. Lifting and Jacking the Vehicle
  47. Fill the engine oil to the proper level with NEW engine oil. Engine Oil and Oil Filter Replacement (RWD)
  48. Fill the cooling system. Cooling System Draining and Filling (LSY GE 47716) , or Cooling System Draining and Filling (LSY Static Fill) , or Cooling System Draining and Filling (LSY with V03 Static Fill) , or Cooling System Draining and Filling (L3B Static Fill) , or Cooling System Draining and Filling (L3B GE 47716) , or Cooling System Draining and Filling (LSY with V03 GE 47716) , or Cooling System Draining and Filling (LF4 Static Fill) , or Cooling System Draining and Filling (LF4 GE 47716)
  49. Connect the negative battery cable. Battery Negative Cable Disconnection and Connection
  50. Fill the transmission to the proper level with NEW transmission fluid. Transmission Fluid Fill Procedure
  51. Perform the solenoid valve characterization. Q77 Transmission Control Solenoid Valve Characterization Programming (8L45) , or Q77 Transmission Control Solenoid Valve Characterization Programming (10L60, 10L80)
  52. Inspect for transmission fluid leaks. Automatic Transmission Fluid Leaks
  53. Inspect the exhaust system for leaks.
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