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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 366 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Auxiliary Air Conditioning (A/C) Evaporator and Blower Module Assembly Removal and Installation (C69) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Auxiliary Air Conditioning Evaporator and Blower Module
    GM4379495Courtesy of GENERAL MOTORS COMPANY
  1. Install Auxiliary Air Conditioning Evaporator and Blower Module (1)
    2. Fig 2: Auxiliary Air Conditioning Evaporator and Blower Module Bolt, Ground Nut, Harness Connector and Ground Terminal
    GM4379104Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  2. Install and tighten Auxiliary Air Conditioning Evaporator and Blower Module Bolt (1) to 2.5 N.m (22 lb in)
  3. Connect the auxiliary heater and air conditioning wiring harness connector and ground terminal (3).
  4. Install and tighten Ground Nut (2) to 9 N.m (80 lb in)
    5. Fig 3: Auxiliary Heater Air Outlet Duct and Auxiliary Air Conditioning Air Lower Duct
    GM4378515Courtesy of GENERAL MOTORS COMPANY
  5. Install Auxiliary Air Conditioning Air Lower Duct (2). Refer to Auxiliary Air Conditioning Air Lower Duct Replacement (C69) 
  6. Install Auxiliary Heater Air Outlet Duct (1). Refer to Auxiliary Heater Air Outlet Duct Replacement 
  7. Install the duct temperature sensors into the ducts.
    8. Fig 4: Quarter Lower Rear Trim Panel - Right Side
    GM4378507Courtesy of GENERAL MOTORS COMPANY
  8. Install Quarter Lower Rear Trim Panel - Right Side (1). Refer to Quarter Lower Rear Trim Panel Replacement (Right Side With All Terrain)Quarter Lower Rear Trim Panel Replacement (Right Side Without All Terrain)
    9. Fig 5: Auxiliary Air Conditioning Evaporator and Blower Module Nuts
    GM4379059Courtesy of GENERAL MOTORS COMPANY
  9. Install and tighten Auxiliary Air Conditioning Evaporator and Blower Module Nut (1) (Qty: 2) to 9 N.m (80 lb in)
    10. Fig 6: Auxiliary Air Conditioning Evaporator Intermediate Tube, Nut And Sealing Washers
    GM4375639Courtesy of GENERAL MOTORS COMPANY
  10. Install Auxiliary Air Conditioning Evaporator Intermediate Tube (3) @ Auxiliary Air Conditioning Evaporator and Blower Module. Refer to Auxiliary Air Conditioning Evaporator Intermediate Tube Replacement 
  11. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection (Without KL9)Battery Negative Cable Disconnection and Connection (With KL9)
  12. Fill the cooling system to the proper level. Refer to Cooling System Draining and Filling (GE-47716)Cooling System Draining and Filling (Static)
  13. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging (R-1234yf) 
  14. Clear the DTCs from the heater and air conditioning remote control module.
  15. Perform the actuator calibration procedure. Refer to Actuator Recalibration
  16. Inspect for coolant leaks.
  17. Inspect for refrigerant leaks.
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