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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation And Air Conditioning >> Repair Instructions >> Heater Hose Replacement - Inlet >> Installation Procedure

Installation Procedure

  1. Install the inlet heater hose (2) to the water bypass valve.
  2. Using the J 38185,  reposition the inlet heater hose clamp to the water bypass valve.
  3. Install the inlet heater hose (2) to the heater core.
    Fig 1: Installing Inlet Heater Hose
    G01645602Courtesy of GENERAL MOTORS CORP.
  4. Using the J 38185,  reposition the inlet heater hose clamp to the heater core.
  5. Install the heater hose support clamp to the heater core.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  6. Install the heater hose support clamp bolt (5).

    Tighten 

    Tighten the bolt to 4 N.m (35 lb in).

  7. Install the coolant recovery reservoir. Refer to COOLANT RECOVERY RESERVOIR REPLACEMENT in Engine Cooling.
  8. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  9. Install the air cleaner. Refer to AIR CLEANER ASSEMBLY in Removal & Installation.
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