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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 982 (Heating, Ventilation And Air Conditioning - Gas) >> Repair Instructions >> Heater Hose Replacement - Inlet (LU3) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 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.
    Fig 1: Repositioning Inlet Heater Hose Clamp To The Engine (LU3)
    GM363243Courtesy of GENERAL MOTORS CORP.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the inlet heater hose mounting bolt.

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

    5. Fig 2: Installing Inlet Heater Hose To The Engine (LU3)
    GM363246Courtesy 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 (with HP2) or Draining and Filling Cooling System (without HP2) in Engine Cooling.
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