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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1207 (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 Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant. Refer to Refrigerant Recovery And Recharging  .
  2. Remove the condenser tube. Refer to Condenser Tube Replacement  .
  3. Use J 26549-E  in order to remove the expansion (orifice) tube.

    Important:  DO NOT use any solvents or chemicals to clean the porous plastic inlet filter of 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 (1); replace the tube.
    • Inlet filter (3) damaged or plugged with fine gritty material; replace the tube.
    • Inlet filter (3) coated with metal chips, flakes, or slivers; remove the coating with low pressure shop air ONLY and reuse if the filter is cleaned satisfactorily. Do NOT reuse the O-ring seals (2).
    Fig 1: Identifying Expansion (Orifice) Tube
    G01481998Courtesy of GENERAL MOTORS CORP.