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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 (3.8L) >> 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 and support bracket.
  2. Connect the heater outlet hose to the heater core.
    IMPORTANT: Position heater core hose clamps in the indicated location.
  3. Use J 38185  in order to secure the heater core hose outlet clamp.
    Fig 1: Aligning Heater Outlet Hose Clamps From Heater Core
    G01568694Courtesy of GENERAL MOTORS CORP.
  4. Install the heater hose support bracket.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  5. Install the heater hose support bracket nut (1).

    Tighten 

    Tighten the nut to 4.5 N.m (40 lb in).

    Fig 2: Locating Heater Hose Support Bracket Nut
    G01568695Courtesy of GENERAL MOTORS CORP.
  6. Connect the heater outlet hose to the pipe adapter.
  7. Use J 38185  in order to secure the heater hose outlet clamp.
    Fig 3: View Of Heater Outlet Hose From Pipe Adapter
    G01568696Courtesy of GENERAL MOTORS CORP.
  8. Install the fuel injector sight shield. Refer to FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L36) or FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L67) in Engine Mechanical-3.8L.
  9. Refill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
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