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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1546 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Inlet >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Inlet Heater Hose, Heater Pipe & Coolant Pump
    GM82059Courtesy of GENERAL MOTORS CORP.
  1. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the heater inlet pipe end, and the coolant pump.
  2. Position the inlet heater hose to the vehicle.
  3. Install the heater inlet hose to the heater pipe.
  4. Using the J 38185  , install the heater inlet hose clamp.

    Align the heater hose clamp as shown.

  5. Install the heater inlet hose to the engine coolant pump.
  6. Using the J 38185  , install the heater hose clamp.

    Align the heater hose clamp as shown.

  7. Fig 2: Front Evaporator Tube, Heater Inlet Hose & Retaining Strap
    GM380075Courtesy of GENERAL MOTORS CORP.
  8. Install a new retaining strap (1) to retain the heater inlet hose (2) to the evaporator tube - front.

    Position the retaining strap as shown.

  9. Fig 3: Engine Cooling Coolant
    GM82060Courtesy of GENERAL MOTORS CORP.
  10. Refill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.