Expansion Block/Orifice Tube: Service and Repair

Special Tool(s)

REMOVAL
1. Recover the refrigerant. Refrigerant Recovery







2. Remove the bolt.







3. Remove the nut.







4. Disconnect the front condenser to evaporator line spring lock coupling.

CAUTION: Plug all ports to prevent contamination from dirt or moisture.







5. Locate the A/C evaporator core orifice.
- For a fixed orifice tube, carry out Steps 6 and 7.
- For a broken orifice tube, carry out Steps 8 and 9.







6. Engage the special tool onto the A/C evaporator core orifice.







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







8. To remove a broken A/C evaporator core orifice, screw the end of the special tool into the broken A/C evaporator core orifice.







9. 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.
1 Use PAG Compressor Oil YN-12-C or equivalent meeting Ford specification WSH-M1C231-B.







2. Place the A/C evaporator core orifice into the special tool.







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







4. Remove the special tool.
5. Install the condenser to evaporator tube.