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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 447 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Inlet Hose Replacement (Non-HP2) >> Installation Procedure

Installation Procedure

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    Fig 1: View Of Inlet & Outlet Heater Hoses (LR4, LM7, LQ4)
    GM363118Courtesy of GENERAL MOTORS COMPANY
  1. Install the inlet heater hose.
    2. Fig 2: Inlet Heater Hose At Engine
    GM363237Courtesy of GENERAL MOTORS COMPANY
  2. Install the inlet heater hose to the water pump.
    3. Fig 3: Connecting Quick-Connect Fittings
    GM21855Courtesy of GENERAL MOTORS COMPANY
    IMPORTANT:

    Firmly push the quick connect onto the heater core pipe until you hear an audible click.

  3. Connect the heater hose to the heater core.
  4. Install the heater and surge tank hoses to the mounting clip.
  5. Install the air intake tube.
  6. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) .
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