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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1602 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Inlet (LU3) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the inlet heater hose.
  2. Install the inlet heater hose to the engine.
  3. Reposition the inlet heater hose clamp to the engine.
    NOTE: Refer to FASTENER NOTICE .
  4. Install the inlet heater hose mounting bolt.

    Tighten 

    Tighten the bolt to 25 N.m (18 lb ft).

    Fig 1: Install Inlet Heater Hose & Mounting Bolt
    G01479063Courtesy of GENERAL MOTORS CORP.
  5. Install the inlet heater hose to the engine.
  6. Connect the heater hoses to the heater core. Firmly push the quick connect onto the heater core pipe until you hear an audible click.
  7. Install the air intake tube.
  8. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
    Fig 2: Install Inlet Heater Hose To Engine
    G01479064Courtesy of GENERAL MOTORS CORP.
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