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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 147 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Expansion (Orifice) Tube Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the evaporator tube. Refer to Evaporator Tube Replacement .
    Fig 1: Removing/Installing Expansion (Orifice) Tube
    G01579686Courtesy of GENERAL MOTORS CORP.
  2. Remove the evaporator tube from the condenser tube.
  3. Use the J 26549-E  in order to remove the expansion orifice tube.
  4. Inspect the expansion (orifice) tube for the following conditions and clean or replace with a new tube as indicated:
    • Broken plastic frame, replace tube.
    • Filter screen (1, 2) torn, damaged or plugged with fine gritty material, replace tube.
    • Brass orifice tube (3) damaged or plugged, replace tube.
    • Filter screen (1) coated with metal chips, flakes, or silvers-coating may be removed with low pressure shop air and reused if cleaned satisfactorily.
      Fig 2: Inspecting Expansion (Orifice) Tube
      G01579687Courtesy of GENERAL MOTORS CORP.

    If reusing the tube, install a new O-ring (4).

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