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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 - Inlet (Utility L18) >> 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
    G01454278Courtesy of GENERAL MOTORS CORP.
  5. Pull the connection apart.
    Fig 2: Pulling Connection Apart
    G01454279Courtesy of GENERAL MOTORS CORP.
  6. Remove the inlet heater hose (1) from the coolant outlet fitting.
  7. Remove the inlet heater hose.
    Fig 3: Removing Inlet Heater Hose From Coolant Outlet Fitting
    G01454280Courtesy of GENERAL MOTORS CORP.
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