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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 183 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Outlet Hose Replacement (LF4) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Heater Outlet Hose
    GM4276897Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Lubricate the inside diameters of the heater inlet hose with clean coolant prior to installation.

  1. Install Heater Outlet Hose (1)
  2. Fig 2: Heater Outlet Hose And Retainer
    GM4276895Courtesy of GENERAL MOTORS COMPANY
  3. Install Heater Outlet Hose Retainer (1) @ Heater Core (2)
  4. Install Radiator Surge Tank. Refer to Radiator Surge Tank Replacement (LF4, LGX)
  5. Install Front End Sheet Metal Diagonal Brace - Right Side. Refer to Front End Sheet Metal Diagonal Brace Replacement - Right Side (ATS-V) .
  6. Fig 3: Heater Outlet Hose And Clamp
    GM4276869Courtesy of GENERAL MOTORS COMPANY
  7. Engage Heater Outlet Hose Clamp (1) @ Heater Outlet Hose (2). Refer to Hose Clamp Replacement Guidelines - Spring Type
  8. Install Catalytic Converter - Right Side. Refer to Catalytic Converter Replacement - Right Side (LF4)
  9. Fill the cooling system. Refer to Cooling System Draining and Filling (Static)Cooling System Draining and Filling (GE 47716)
  10. Start the engine and check for coolant leaks. Refer to Cooling System Leak Testing