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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 257 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Outlet Pipe Replacement (RWD with LGY) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Cooling System Draining and Filling (LGY Static Fill) , or Cooling System Draining and Filling (LGY GE 47716)
  2. GM5357424Courtesy of GENERAL MOTORS COMPANY

    Front Compartment Air Deflector (1) - Remove - Front Compartment Air Deflector Replacement (RWD)

  3. GM5550059Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Hose (2) @ Heater Outlet Pipe - Remove - Heater Outlet Hose Replacement (RWD with LGY Heater Coolant Pump to Heater Outlet Pipe) 

  4. GM5551111Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  5. Heater Outlet Pipe (2) @ Heater Coolant Pump - Remove
  6. Lower the vehicle.
  7. GM5300875Courtesy of GENERAL MOTORS COMPANY

    Remove the left and right side front compartment side sight shields (2). Front Compartment Side Sight Shield Replacement (without Blackwing)

  8. Air Inlet Grille Panel - Remove - Air Inlet Grille Panel Replacement
  9. Air Inlet Deflector Water Deflector - Remove - Air Inlet Deflector Water Deflector Replacement 
  10. Windshield Wiper Transmission - Remove - Windshield Wiper Transmission Replacement
  11. GM5309180Courtesy of GENERAL MOTORS COMPANY

    Plenum Front Panel (1) - Remove - Plenum Front Panel Replacement (without Blackwing)

  12. GM5550039Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Hose (3) @ Heater Outlet Pipe - Remove - Heater Outlet Hose Replacement (RWD with LGY Radiator Surge Tank to Heater Core to Heater Outlet Pipe) 

  13. Front End Sheet Metal Cross Brace - Remove - Front End Sheet Metal Cross Brace Replacement (Impact Bar Bracket) , or Front End Sheet Metal Cross Brace Replacement (Plenum without Blackwing)
  14. GM5551114Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  15. Heater Hose Clip Bracket Bolt (3) - Remove
  16. Heater Outlet Pipe (2) - Remove