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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 840 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Outlet (Utility LR4, LM7, LQ4) >> Removal Procedure

Removal Procedure

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  1. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  2. Remove the air intake tube.
  3. Remove the heater and surge tank hoses from the mounting clip.
  4. Squeeze the plastic retainer release tabs.
    Fig 1: Squeezing Plastic Retainer Release Tabs
    G01454304Courtesy of GENERAL MOTORS CORP.
  5. Pull the connection apart.
    Fig 2: Pulling Connection Apart
    G01454305Courtesy 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.
    Fig 3: Removing Outlet Heater Hose From Water Pump
    G01454306Courtesy of GENERAL MOTORS CORP.
  9. Remove the outlet heater hose.
    Fig 4: Removing Outlet Heater Hose
    G01454307Courtesy of GENERAL MOTORS CORP.
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