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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 >> Heater Outlet Pipe Replacement (LCV) >> Removal Procedure

Removal 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.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (GE-47716)Cooling System Draining and Filling (Static)
  2. Remove Air Cleaner Outlet Duct. Refer to Air Cleaner Outlet Duct Replacement
    3. Fig 1: Heater Outlet Hose Connector
    GM4375224Courtesy of GENERAL MOTORS COMPANY
  3. Remove Heater Outlet Hose Connector (2) @ Heater Outlet Pipe. Refer to Heater Outlet Hose Connector Replacement (LCV without Rear Aux HVAC at Heater Outlet Pipe) Heater Outlet Hose Connector Replacement (LCV with Rear Aux HVAC at Heater Outlet Pipe) 
  4. Remove Wiring Harness @ Heater Outlet Pipe
    5. Fig 2: Heater Outlet Pipe Retainer Bolt
    GM4375518Courtesy of GENERAL MOTORS COMPANY
  5. Remove Heater Outlet Pipe Retainer Bolt (1)
    6. Fig 3: Heater Outlet Pipe And Clamp
    GM4375513Courtesy of GENERAL MOTORS COMPANY
  6. Disengage Heater Outlet Pipe Clamp (1). Refer to Hose Clamp Replacement Guidelines - Spring Type
  7. Remove Heater Outlet Pipe (2) @ Heater Coolant Pump
  8. Remove Heater Outlet Pipe (2)
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