Expansion Block/Orifice Tube: Service and Repair
SPECIAL TOOL(S)
REMOVAL
1. Disconnect the condenser to evaporator line at the orifice tube.
CAUTION: Plug all ports to prevent contamination from dirt or moisture.
2. Engage the special tool onto the A/C evaporator core orifice.
3. Hold the special tool T-handle stationary and rotate the special tool body to remove the A/C evaporator core orifice.
4. If the A/C evaporator core orifice is broken, screw the end of the special tool into the broken A/C evaporator core orifice.
5. Hold the special tool T-handle stationary and rotate the special 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 or equivalent meeting Ford specification WSH-M1C231-B.
2. Place the A/C evaporator core orifice into the special tool.
3. Using the special tool, insert the A/C evaporator core orifice into the condenser to evaporator line until seated.
4. Remove the special tool.
5. Connect the condenser to evaporator line at the orifice tube.
6. Recharge the A/C system.