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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 Case Replacement (C60) >> Removal Procedure

Removal Procedure

  1. Drain the engine coolant. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  2. Recover the refrigerant. Refer to REFRIGERANT RECOVERY AND RECHARGING .
  3. Using the J 38185  reposition the heater hose clamps from the heater core.
  4. Remove the heater hoses from the heater core.
    Fig 1: Removing Heater Hoses
    G01645719Courtesy of GENERAL MOTORS CORP.
  5. Remove the evaporator case from the vehicle. Refer to EVAPORATOR CORE REPLACEMENT .
  6. Remove the heater case retaining nuts (2) from the engine compartment.
  7. Roll out the instrument panel. Refer to INSTRUMENT PANEL (I/P) CARRIER REPLACEMENT in Instrument Panel, Gages, and Console.
  8. Disconnect the electrical connectors.
  9. Disconnect the vacuum lines.
  10. Remove the heater case (5) from the vehicle.
    Fig 2: Removing Heater Case
    G01645720Courtesy of GENERAL MOTORS CORP.
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