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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 (Avalanche/Xlt L18) >> Installation Procedure

Installation Procedure

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  1. Install the inlet heater hose.
  2. Install the inlet heater hose (1) to the engine coolant inlet fitting.
    Fig 1: Installing Inlet Heater Hose To Engine Coolant Inlet Fitting
    G01454292Courtesy of GENERAL MOTORS CORP.
  3. Connect the heater and surge tank hose to the heater core.

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

  4. Install the heater and surge tank hose 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 & Surge Tank Hose To Heater Core Using J 43181
    G01454293Courtesy of GENERAL MOTORS CORP.
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