Expansion Block/Orifice Tube: Service and Repair

EVAPORATOR CORE ORIFICE

Special Tool(s):

Special tool(s)

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

2. Remove the vacuum reservoir tank.







3. Engage the special tool to the A/C evaporator core orifice.







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







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







6. 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.







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







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







4. Remove the special tool.
5. Install the vacuum reservoir tank.
6. Install the condenser-to-evaporator tube.