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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Outlet >> Removal Procedure

Removal Procedure

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  1. Drain the cooling system. Refer to Draining and Filling Cooling System .
  2. Remove the air intake tube.
  3. Remove the heater and surge tank hoses from the mounting clip.
    4. Fig 1: Squeezing Quick Connect Fitting Release Tabs (Plastic Collar)
    GM12777Courtesy of GENERAL MOTORS CORP.
  4. Squeeze the plastic retainer release tabs.
    5. Fig 2: 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 outlet heater hose from the water pump.
  7. Reposition the outlet heater hose clamp at the surge tank.
  8. Remove the outlet heater hose from the surge tank.
    9. Fig 4: View Of Inlet & Outlet Heater Hoses (LR4, LM7, LQ4)
    GM363118Courtesy of GENERAL MOTORS CORP.
  9. Remove the outlet heater hose.
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