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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 864 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Inlet Hose Replacement (Non-HP2) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
GM363118Courtesy of GENERAL MOTORS CORP.
  1. Install the inlet heater hose.
    GM363237Courtesy of GENERAL MOTORS CORP.
  2. Install the inlet heater hose to the water pump.
    GM21855Courtesy of GENERAL MOTORS CORP.
  3. Connect the heater hose to the heater core.
    IMPORTANT: Firmly push the quick connect onto the heater core pipe until you hear an audible click.
  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) or Cooling System Draining and Filling (Vac-N-Fill) .
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