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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1666 (Heating, Ventilation And Air Conditioning) >> Repair Instruction >> Heater Hose Replacement - Outlet (3.1L) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the heater outlet hose.
  2. Connect the heater outlet hose to the heater core.
    IMPORTANT: Reposition heater core hose clamps in the indicated location.
    Fig 1: Aligning Heater Outlet Hose Clamps To Heater Core
    G01568689Courtesy of GENERAL MOTORS CORP.
  3. Use J 38185  in order to reposition the heater core hose outlet clamp.
  4. Connect the heater outlet hose (2) to the outlet pipe.
    Fig 2: Identifying Heater Outlet Hose To Outlet Pipe
    G01568690Courtesy of GENERAL MOTORS CORP.
  5. Use J 38185  in order to reposition the heater hose outlet clamp.
  6. Install the fuel injector sight shield. Refer to FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L36) or FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L67) in Engine Mechanical - 3.1L.
  7. Refill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
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