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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Outlet Hose Replacement >> Installation Procedure

Installation Procedure

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    Fig 1: View Of Inlet & Outlet Heater Hoses (LR4, LM7, LQ4)
    GM363118Courtesy of GENERAL MOTORS CORP.
  1. Install the outlet heater hose.
    2. Fig 2: View Of Heater Hose To Engine
    GM363237Courtesy of GENERAL MOTORS CORP.
  2. Install the outlet heater hose to the water pump.
  3. Install the outlet heater hose to the surge tank.
  4. Install the outlet heater hose clamp to the surge tank.
    5. Fig 3: Connecting Quick-Connect Fittings
    GM21855Courtesy of GENERAL MOTORS CORP.
  5. Connect the heater and surge tank hoses to the heater core.
    6. IMPORTANT: Firmly push the quick connect onto the heater core hose until you hear an audible click.
  6. Pull the heater outlet hose to ensure the connection.
  7. Install the heater and surge tank hoses to the mounting clip.
  8. Install the air intake tube.
  9. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) .
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