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Orifice Tube: Removal

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
  1. Orifice tube is located in refrigerant line, between condenser outlet and evaporator inlet. Disconnect negative battery cable. Remove air cleaner and duct assembly. Discharge A/C system, using approved refrigerant recovery/recycling equipment. See RECOVERY, EVACUATION & RECHARGING in GENERAL SERVICING PROCEDURES article in GENERAL SERVICING.
  2. Remove the condenser tube. Inspect the orifice tube for the following conditions and clean or replace with a new tube as indicated:
    • Broken plastic frame (replace orifice tube).
    • Inlet filter damaged or plugged with fine gritty material (replace orifice tube).
    • Inlet filter coated with metal chips, flakes, or slivers (remove the coating with low pressure shop air only and reuse if the filter is cleaned satisfactorily).
  3. Do not reuse the O-ring seals.
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