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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 - Outlet >> Installation Procedure

Installation Procedure

  1. Install the outlet heater hose (3) to the water bypass valve.
  2. Using the J 38185,  reposition the outlet heater hose clamp to the water bypass valve.
  3. Install the outlet heater hose (3) to the heater core.
    Fig 1: Installing Heater Hose (Outlet)
    G01645604Courtesy of GENERAL MOTORS CORP.
  4. Using the J 38185,  reposition the outlet 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 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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