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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 >> Evaporator Tube Replacement (C69) >> Installation Procedure

Installation Procedure

  1. Install the new O-ring seal. Refer to O-RING REPLACEMENT  .
  2. Install the evaporator tube (2) to the condenser (4).
    NOTE: Refer to FASTENER NOTICE in Caution and Notices.
  3. Tighten the evaporator tube nut (3) to the condenser (4).

    Tighten 

    Tighten the nut to 28 N.m (20 lb ft).

  4. Install the new O-ring seal. Refer to O-RING REPLACEMENT  .
  5. Install the evaporator tube to the evaporator.
  6. Tighten the evaporator tube nut at the evaporator.

    Tighten 

    Tighten the nut to 28 N.m (20 lb ft).

  7. Raise the vehicle.
  8. Install the new O-ring seal. Refer to O-RING REPLACEMENT  .
  9. Install the evaporator tube to the auxiliary evaporator tube.
    Fig 1: Installing Evaporator Tube To Auxiliary Evaporator Tube
    G01645566Courtesy of GENERAL MOTORS CORP.
  10. Install the auxiliary evaporator tube block fitting nut.

    Tighten 

    Tighten the nut to 28 N.m (20 lb ft).

  11. Install the splash shield to the wheelhouse.
  12. Install the retainers to the splash shield.
  13. Install the right front tire. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
  14. Install the accumulator. Refer to ACCUMULATOR REPLACEMENT .
  15. Leak test the fittings of the component using the J 39400-A. 
  16. Install the grille. Refer to GRILLE REPLACEMENT in Exterior Trim.
  17. Install the air cleaner. Refer to AIR CLEANER ASSEMBLY in Removal & Installation.
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