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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Transmission Cooling System) >> Repair Instructions >> Transmission Cooler Bypass Valve Replacement (L3B, RWD) >> 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. Remove the oil fill cap.
  2. GM5432171Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Cover Bolt (1) - Remove [2x]

  3. Lift up on the front of the intake manifold cover (2).
  4. GM5432174Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Cover (1) @ Upper Intake Manifold Bracket (2) - Remove

  5. GM5398955Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct Clamp (1) - Loosen [2x]

  6. Evaporative Emission Canister Purge Tube (2) - Disconnect - Plastic Collar Quick Connect Fitting Service
  7. Positive Crankcase Ventilation Tube (3) - Disconnect - Plastic Collar Quick Connect Fitting Service
  8. Disconnect the electrical connector.
  9. GM5398967Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct (1) - Remove

  10. GM5417057Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Clip Bolt (1) - Remove

  11. Transmission Fluid Cooler Pipe Nut (2) - Remove
  12. NOTE:

    Cap the fittings and plug the holes when removing the transmission fluid cooler pipes.

  13. Transmission Fluid Cooler Inlet and Outlet Pipe (3) @ Transmission Cooler Bypass Valve - Remove
  14. GM5484112Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Thermal Bypass Valve Gasket (1) - Remove and DISCARD [2x]

  15. Raise and support the vehicle. Lifting and Jacking the Vehicle
  16. GM5417056Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Nut (1) - Remove

  17. NOTE:

    Cap the fittings and plug the holes when removing the transmission fluid cooler pipes.

  18. Transmission Fluid Cooler Inlet and Outlet Pipe (2) @ Transmission Cooler Bypass Valve - Remove
  19. GM5484121Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Thermal Bypass Valve Gasket (1) - Remove and DISCARD [2x]

  20. GM5417058Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Thermal Bypass Valve Bolt (1) - Remove

  21. Transmission Cooler Bypass Valve (2) - Remove