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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 >> Input and Output Speed Sensor Replacement >> Removal Procedure

Removal 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. GM5441317Courtesy of GENERAL MOTORS COMPANY

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

  2. GM5475519Courtesy of GENERAL MOTORS COMPANY

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

  3. Automatic Transmission Fluid Baffle (2) - Remove
  4. GM5460990Courtesy of GENERAL MOTORS COMPANY

    Manual Shift Detent Lever Spring Bolt (1) - Remove

  5. Manual Shift Detent Lever Spring (2) - Remove
  6. GM3816771Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Mark and identify electrical connectors before removal to ensure correct installation.

    Remove the transmission control wiring harness retainer (5).

  7. If equipped, unlatch the valve body connector retainer (3).
  8. Disconnect the electrical connectors (1, 2) as needed then remove the transmission control wiring harness (4).
  9. GM3816802Courtesy of GENERAL MOTORS COMPANY

    Pull back the manual valve spring (2), then disconnect the manual valve (1) from the manual shift shaft position switch assembly linkage (3).

  10. GM3817155Courtesy of GENERAL MOTORS COMPANY

    Rotate the engine as necessary to obtain access to the transmission fluid pump driven sprocket retainer (2).

  11. Using a suitable pry tool, unlock the transmission fluid pump driven sprocket retainer (2).
  12. Remove the transmission fluid pump driven sprocket (1).
  13. GM5461571Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

    Using the DT-48285  Valve Body Torx Plus Socket, remove the 4 M6 x 45 control valve solenoid body bolts (1).

  14. Using the DT-48285  Valve Body Torx Plus Socket, remove the 7 M6 x 68 control valve solenoid body bolts (2).
    15. CAUTION:

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

  15. Control Valve Body (3) - Remove
  16. GM4991513Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Disconnect

    17. 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.

  17. Automatic Transmission Fluid Baffle Bolt (2) - Remove and DISCARD [3x]
  18. Retainer (3) - Disengage [2x]
  19. Automatic Transmission Output Speed Sensor Wiring Harness (4) - Remove
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