Expansion Block/Orifice Tube: Service and Repair

Expansion (Orifice) Tube Replacement

REMOVAL PROCEDURE
1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
2. Remove the A/C evaporator.
3. Remove the orifice from the A/C evaporator tube.

INSTALLATION PROCEDURE

IMPORTANT: Install the long screen inlet end toward the condenser.

1. Install the orifice in the A/C evaporator tube.
2. Install the A/C evaporator.
3. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
4. Leak test the fitting for leaks. Refer to Leak Testing.