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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 Pipe Adapter Replacement - Inlet (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. Lubricate the O-ring with coolant.
  2. Install the heater pipe adapter.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the heater inlet pipe adapter mounting bolt.

    Tighten 

    Tighten the bolt to 6 N.m (53 lb in).

    Fig 1: Installing Heater Pipe Adapter Mounting Bolt
    G01568703Courtesy of GENERAL MOTORS CORP.
  4. Connect the inlet hose to the heater pipe adapter.
  5. Use J 38185  in order to reposition the heater core hose 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-3.8L.
  7. Refill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
    Fig 2: View Of Inlet Hose To Heater Pipe Adapter
    G01568704Courtesy of GENERAL MOTORS CORP.
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