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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) >> Removal Procedure

Removal 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.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac-N-Fill) .
  2. Remove the air intake tube.
  3. Remove the heater and surge tank hoses from the mounting clip.
    G00613605Courtesy of GENERAL MOTORS CORP.
  4. Install the J 43181 heater line quick connect release tool to the outlet heater hose.
  5. Close the J 43181 heater line quick connect release tool around the heater core outlet.
  6. Firmly pull the J 43181 heater line quick connect release tool into the quick connect end of the outlet heater hose.
  7. Remove the outlet heater hose from the heater core
    GM363237Courtesy of GENERAL MOTORS CORP.
  8. Remove the outlet heater hose from the water pump.
  9. Reposition the outlet heater hose clamp at the surge tank.
  10. Remove the outlet heater hose from the surge tank.
    GM363118Courtesy of GENERAL MOTORS CORP.
  11. Remove the outlet heater hose.
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