Expansion Block/Orifice Tube: Service and Repair

SPECIAL SERVICE TOOL(S)

REMOVAL
1. Remove the condenser to evaporator tube; refer to Condenser to Evaporator Line.
^ For a fixed orifice tube, perform Steps 2 and 3.
^ For a broken orifice tube, perform Steps 4 and 5.







2. Engage 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. To remove a broken A/C evaporator core orifice; screw the end of the Throttle Remover 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 Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-l2-C) 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 A/C evaporator core inlet tube until seated.







4. Remove the Fixed Orifice Tube Tool.
5. Install the condenser to evaporator tube; refer to Condenser to Evaporator Line.