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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1296 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Inlet Hose Replacement (Non-HP2) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis 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 (Vac-N-Fill) or Cooling System Draining and Filling (Static Fill) .
  2. Remove the air intake tube.
  3. Remove the heater and surge tank hoses from the mounting clip.
    4. Fig 1: View Of Quick Connect Fitting Release Tabs (Plastic Collar)
    GM12777Courtesy of GENERAL MOTORS CORP.
  4. Squeeze the plastic retainer release tabs.
    5. Fig 2: View Of Pulling Connection Apart (Plastic Collar)
    GM12778Courtesy of GENERAL MOTORS CORP.
  5. Pull the connection apart.
    6. Fig 3: View Of Heater Hose To Engine
    GM363237Courtesy of GENERAL MOTORS CORP.
  6. Remove the inlet heater hose from the water pump.
    7. Fig 4: View Of Inlet & Outlet Heater Hoses (LR4, LM7, LQ4)
    GM363118Courtesy of GENERAL MOTORS CORP.
  7. Remove the inlet heater hose.
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