Expansion Block/Orifice Tube: Service and Repair
EXPANSION (ORIFICE) TUBE FILTER REPLACEMENTREMOVAL PROCEDURE
1. Recover the refrigerant.
2. Remove the air conditioning (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.
4. Leak test the fitting for leaks.