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Home >> Cadillac >> 2019 >> XT5 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Heating System, Ventilation System, And Air Conditioning System) >> Repair Instructions >> Heater Core Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2018 Cadillac XT5. 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 (Static)Cooling System Draining and Filling (GE-47716)
  2. GM4290914Courtesy of GENERAL MOTORS COMPANY

    Floor Front Air Outlet Duct - Left Side(2) - Remove - Floor Front Air Outlet Duct Replacement - Left Side 

  3. GM4278584Courtesy of GENERAL MOTORS COMPANY

    Front Floor Console Extension Panel - Left Side(3) - Remove - Front Floor Console Extension Panel Replacement - Left Side

  4. Brake and Accelerator Pedal Assembly - Remove - Brake and Accelerator Pedal Assembly Replacement
  5. GM4295635Courtesy of GENERAL MOTORS COMPANY

    Heater Core Bracket Bolt(1) - Remove[2x]

  6. GM4295648Courtesy of GENERAL MOTORS COMPANY

    Rotate the heater core (1) bracket downward.

  7. GM4295661Courtesy of GENERAL MOTORS COMPANY

    Heater Core Tube Clamp(1) - Disengage[2x]

  8. Heater Core Tube(2)@Heater Core - Remove[2x]
  9. DISCARD the O-ring seal.[2x]
  10. GM4295674Courtesy of GENERAL MOTORS COMPANY

    Heater Core(1) - Remove