Expansion Block/Orifice Tube: Service and Repair

EVAPORATOR CORE ORIFICE

Specail Tool(s):

SPECIAL TOOL(S)

REMOVAL







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

Disconnect the condenser to evaporator line at the orifice tube.







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.