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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 Outlet 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 outlet heater hose.
    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.
    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) or Cooling System Draining and Filling (Vac-N-Fill) .
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