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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 134 (Engine Heating And Cooling - Repair Instructions (2 Of 2)) >> Repair Instructions >> Supercharger Water Manifold Replacement (LF4) >> 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. Drain the charge air cooling system. Cooling System Draining and Filling (LF4 Static Fill) , Cooling System Draining and Filling (LF4 GE 47716)
  2. Oil Filler Cap - Remove
  3. GM5839283

    Intake Manifold Cover Bolt (1) - Remove

  4. Intake Manifold Cover (2) - Remove
  5. Install the oil filler cap after removal of the intake manifold cover to prevent debris from falling into the engine.
  6. GM5871544

    Disconnect the turbocharger wastegate regulator solenoid valve electrical connector (1).

  7. Engine Wiring Harness Retainer (2) - Disconnect [2x]
  8. GM5839308

    Disengage the 2 turbocharger wastegate actuator vacuum tank solenoid valve tube clamps (1).

  9. Retainer (2) - Disengage
  10. Turbocharger Wastegate Actuator Vacuum Tank Solenoid Valve Tube (3) @ Auxiliary Air Cleaner Outlet Duct - Disconnect - Plastic Collar Quick Connect Fitting Service
  11. Turbocharger Wastegate Actuator Vacuum Tank Solenoid Valve Tube (4) - Remove
  12. GM5871728

    Charge Air Cooler Coolant Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  13. Charge Air Cooler Coolant Hose (2) - Remove
  14. Charge Air Cooler Coolant Hose Clamp (3) - Disengage - Hose Clamp Replacement Guidelines - Spring Type
  15. Charge Air Cooler Coolant Hose (4) - Remove
  16. GM5871741

    Charge Air Cooler Coolant Manifold Bolt (1) - Remove [4x]

  17. GM5871751

    Supercharger Water Manifold (1) - Remove

  18. Supercharger Water Manifold Gasket (2) - Remove and DISCARD [2x]
  19. Charge Air Cooler Coolant Pipe Seal (3) - Remove and DISCARD [4x]
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