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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 - Outlet >> 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 outlet pipe end, and the coolant surge tank inlet.
  2. Fig 2: Front Evaporator Tube, Heater Inlet Hose & Retaining Strap
    GM380075Courtesy of GENERAL MOTORS CORP.
  3. Install a new retaining strap (1) to retain the heater inlet hose (2) to the evaporator tube - front.

    Position the retaining strap as shown.

  4. Fig 3: Engine Cooling Coolant
    GM82060Courtesy of GENERAL MOTORS CORP.
  5. Install the outlet heater hose to the heater outlet pipe.
  6. Using the J 38185  , install the heater hose clamp.

    Align the heater hose clamp as shown.

  7. Install the outlet heater hose to the coolant surge tank.
  8. Using the J 38185  , install the heater hose clamp.

    Align the heater hose clamp as shown.

  9. Refill the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.