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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 Evaporator Intermediate Tube Replacement >> Installation Procedure

Installation Procedure

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  1. Install the auxiliary air conditioning evaporator intermediate tube to the vehicle.
    2. Fig 1: Drivetrain And Front Suspension Frame
    GM4297574Courtesy of GENERAL MOTORS COMPANY
  2. Install the drivetrain and front suspension cradle to the vehicle (1). Refer to Drivetrain and Front Suspension Cradle Replacement (AWD)Drivetrain and Front Suspension Cradle Replacement (FWD)
    3. Fig 2: Auxiliary Air Conditioning Evaporator Intermediate Tube And Bolts
    GM4374007Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  3. Auxiliary Air Conditioning Evaporator Intermediate Tube Bolts (1) (Qty: 2) @ Auxiliary Air Conditioning Evaporator Intermediate Tube (2) to 4.5 N.m (40 lb in)
    4. Fig 3: Auxiliary Air Conditioning Evaporator Intermediate Tube And Nut
    GM4374005Courtesy of GENERAL MOTORS COMPANY
  4. Install and tighten Auxiliary Air Conditioning Evaporator Intermediate Tube Nut (1) @ Auxiliary Air Conditioning Evaporator Intermediate Tube (2) to 4.5 N.m (40 lb in)
    5. Fig 4: Auxiliary Air Conditioning Evaporator Intermediate Tube And Nuts
    GM4374003Courtesy of GENERAL MOTORS COMPANY
  5. Install and tighten Auxiliary Air Conditioning Evaporator Intermediate Tube Nuts (1) (Qty: 2) @ Auxiliary Air Conditioning Evaporator Intermediate Tube (2) to 4.5 N.m (40 lb in)
    6. Fig 5: Auxiliary Air Conditioning Evaporator Intermediate Tube, Nut And Sealing Washers
    GM4375639Courtesy of GENERAL MOTORS COMPANY
  6. Install a NEW sealing washers (1) (Qty: 2).
  7. Install Auxiliary Air Conditioning Evaporator Intermediate Tube (3) @ Auxiliary Air Conditioning Evaporator Thermal Expansion Valve
  8. Install Auxiliary Air Conditioning Evaporator Intermediate Tube (3) @ Auxiliary Air Conditioning Evaporator and Blower Module
  9. Install and tighten Auxiliary Air Conditioning Evaporator Intermediate Tube Nut (4) @ Auxiliary Air Conditioning Evaporator Intermediate Tube (3) to 22 N.m (16 lb ft)
    10. Fig 6: Rear Cradle Mount Bolt Bracket
    GM4297988Courtesy of GENERAL MOTORS COMPANY
  10. Install Rear Cradle Mount Bolt Bracket-Right Side (3). Refer to Rear Cradle Mount Bolt Bracket Replacement
    11. Fig 7: Rear Wheelhouse Liner
    GM4373942Courtesy of GENERAL MOTORS COMPANY
  11. Install Rear Wheelhouse Liner-Right Side (3). Refer to Rear Wheelhouse Liner Replacement
    12. Fig 8: Exhaust Muffler Heat Shield
    GM4356404Courtesy of GENERAL MOTORS COMPANY
  12. Install Exhaust Muffler Heat Shield-Right Side (2). Refer to Exhaust Muffler Heat Shield Replacement
    13. Fig 9: Exhaust Front Underbody Heat Shield
    GM4288416Courtesy of GENERAL MOTORS COMPANY
  13. Install Exhaust Front Underbody Heat Shield (2). Refer to Exhaust Front Underbody Heat Shield Replacement
    14. Fig 10: Front Pipe
    GM4286466Courtesy of GENERAL MOTORS COMPANY
  14. Install Exhaust Front Pipe-Bank 1 (1). Refer to Exhaust Front Pipe Replacement (Bank 1, LGX)Exhaust Front Pipe Replacement (LCV)
    15. Fig 11: Auxiliary Air Conditioning Evaporator Intermediate Tube And Nuts
    GM4374010Courtesy of GENERAL MOTORS COMPANY
  15. Install and tighten Auxiliary Air Conditioning Evaporator Intermediate Tube Nuts (2) (Qty: 2) @ Auxiliary Air Conditioning Evaporator Intermediate Tube (1) to 4.5 N.m (40 lb in)
    16. Fig 12: Heater Inlet And Outlet Hose Connectors
    GM4375642Courtesy of GENERAL MOTORS COMPANY
  16. Install Heater Inlet Hose Connector (1) @ Auxiliary Air Conditioning Evaporator Intermediate Tube. Refer to Heater Inlet Hose Connector Replacement (with Rear Aux HVAC) Heater Inlet Hose Connector Replacement (with Rear Aux HVAC Heater Inlet Hose to Auxiliary Air Conditioning Evaporator Intermediate Tube) 
  17. Install Heater Outlet Hose Connector (2) @ Auxiliary Air Conditioning Evaporator Intermediate Tube. Refer to Heater Outlet Hose Connector Replacement (with Rear Aux HVAC) Heater Outlet Hose Connector Replacement (with Rear Aux HVAC Heater Outlet Hose to Auxiliary Air Conditioning Evaporator Intermediate Tube) Heater Outlet Hose Connector Replacement (LCV with Rear Aux HVAC at Heater Outlet Pipe) 
    18. Fig 13: Air Conditioning Refrigerant Heat Exchanger, Nuts And Sealing Washers
    GM4374000Courtesy of GENERAL MOTORS COMPANY
  18. Remove Air Conditioning Refrigerant Heat Exchanger (1) @ Auxiliary Air Conditioning Evaporator Intermediate Tube. Refer to Air Conditioning Refrigerant Heat Exchanger Replacement (LGX With C69) Air Conditioning Refrigerant Heat Exchanger Replacement (LCV) 
  19. Recharge the refrigerant. Refer to Refrigerant Recovery and Recharging (R-1234yf) 
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