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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) >> Installation Procedure

Installation Procedure

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  1. Install the inlet heater hose.
  2. Install the inlet heater hose (1) to the coolant outlet fitting.
    Fig 1: Installing Inlet Heater Hose To Coolant Outlet Fitting
    G01454281Courtesy of GENERAL MOTORS CORP.
  3. Connect the heater and surge tank hoses to the heater core.

    Important:  Firmly push the quick connect onto the heater core pipe until you hear an audible click.

  4. Install the heater and surge tank hoses to the mounting clip.
  5. Install the air intake tube.
  6. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
    Fig 2: Connecting Heater And Surge Tank Hoses To Heater Core
    G01454282Courtesy of GENERAL MOTORS CORP.
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