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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1337 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Outlet (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 heater hose.
  2. Install the outlet heater hose to the engine.
    NOTE: Refer to FASTENER NOTICE .
  3. Install the outlet heater hose mounting bolt.

    Tighten 

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

    Fig 1: Install Outlet Heater Hose & Mounting Bolt
    G01479081Courtesy of GENERAL MOTORS CORP.
  4. Connect the heater hose to the heater core.

    Firmly push the quick connect onto the heater core pipe until you hear an audible click.

  5. Install the air intake tube.
  6. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM .
    Fig 2: Install Air Intake Tube
    G01479082Courtesy of GENERAL MOTORS CORP.
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