Expansion Block/Orifice Tube: Service and Repair

Special Tool(S)

REMOVAL
1. Remove the condenser to evaporator tube.
- For a fixed orifice tube, perform Steps 2 and 3.
- For a broken orifice tube, perform Steps 4 and 5.







2. Engage the Fixed Orifice Tube Tool to the A/C evaporator core orifice.







3. Hold the tool T-handle stationary and rotate the tool body to remove the A/C evaporator core orifice.







4. Screw the end of the Broken Orifice Extractor into the broken A/C evaporator core orifice.







5. Hold the tool T-handle stationary and rotate the tool body to remove the broken A/C evaporator core orifice.

INSTALLATION
1. Lubricate and install the O-ring seals on the A/C evaporator core orifice.
- Use PAG compressor oil YN-12-C F7AZ-19589-DA or equivalent meeting Ford specification WSH-M1C231-B.







2. Place the A/C evaporator core orifice into the Fixed Orifice Tube Tool.







3. Insert the A/C evaporator core orifice into the tube end until seated.







4. Remove the Fixed Orifice Tube Tool.
5. Install the condenser to evaporator tube.