Expansion Block/Orifice Tube: Service and Repair

SPECIAL TOOL(S)

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







2. Engage the special 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 special tool 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 oil or equivalent.







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







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







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