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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 102 (Automatic Transmission - 8L45 (M5N) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Manual Shift Shaft and Seal Replacement >> Removal Procedure

Removal Procedure

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  1. GM5441317Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Fluid Filter (1) - Remove - Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement 

  2. Transmission - Remove - Transmission Replacement (Rear Wheel Drive) , or Transmission Replacement (All Wheel Drive) 
  3. GM3977958Courtesy of GENERAL MOTORS COMPANY

    Install the DT-48989  Holding Fixture (2) onto the transmission.

  4. Install the transmission (4) with DT-48989  Holding Fixture (2) onto the DT-03289-20  Holding Fixture Base Assembly (1)
  5. Ensure that the DT-21366  Converter Holding Strap installed during transmission removal secures the torque converter (3) into the transmission.
  6. Rotate the transmission so that the transmission pan is up then secure it with the locking pin.
  7. GM5471849Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Range Selector Lever Nut (1) - Remove

  8. Automatic Transmission Range Selector Lever Cable Lever (2) - Remove
  9. GM3977873Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

    Automatic Transmission Fluid Baffle Bolt (1) - Remove and DISCARD [2x]

  10. Automatic Transmission Fluid Baffle (2) - Remove
  11. The driven sprocket (3) locking tab is located on the back of the sprocket.
  12. Rotate the driven sprocket (3) as shown and simultaneously pull back and up on the tab indicated by arrow to release the retainer.
  13. Remove the driven sprocket (3) from the oil pump shaft leaving the drive link (chain) loose in the case.
  14. GM5419960Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector @ Automatic Transmission Control Wiring Harness (1) - Disconnect

  15. Manual Shift Detent Lever Spring Bolt (2) - Remove
  16. Manual Shift Detent Lever Spring (3) - Remove
  17. Electrical Connector @ Automatic Transmission Wiring Harness (4) - Disconnect
  18. GM5419980Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do not remove all the bolts in the control valve body assembly. Remove only the bolts indicated.

    Use DT-48285  Valve Body Torx Plus Socket to remove the Control Valve Solenoid Body Bolts.

  19. Control Valve Solenoid Body Bolt (1) - Remove [4x]
  20. Control Valve Solenoid Body Bolt (2) - Remove [7x]
  21. Manual Valve (3) - Disconnect
    22. CAUTION:

    Use care when handling the control valve body assembly. If dropped, damage to the control solenoid valve body assembly internal components may result.

  22. Control Valve Body Assembly (4) - Remove
  23. GM5616918Courtesy of GENERAL MOTORS COMPANY

    Clutch Housing Fluid Passage Seal (1) - Remove and DISCARD

  24. GM5474335Courtesy of GENERAL MOTORS COMPANY

    Manual Shift Shaft Pin (1) - Remove and DISCARD

  25. Manual Shift Detent Lever Hub Pin (2) - Remove and DISCARD
  26. GM5474341Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Clean area around shift shaft prior to removal.

    Manual Shift Shaft (1) - Remove

  27. GM3977931Courtesy of GENERAL MOTORS COMPANY

    Using the DT-45201  Cooler Line Seal Remover (1), remove and DISCARD the manual shift shaft seal (2).

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