1. Recover the contaminated refrigerant using suitable recovery-only equipment designed for capturing and storing contaminated refrigerant.
2. Determine and correct the cause of the customer's initial concern.
3. Remove the accumulator tank. (See ACCUMULATOR TANK REMOVAL/INSTALLATION [L.H.D.].) (See ACCUMULATOR TANK REMOVAL/INSTALLATION [R.H.D.].)
4. Clean the evaporator and the condenser by flushing. (See A/C SYSTEM FLUSHING.)
5. Install the new accumulator tank. (See ACCUMULATOR TANK REMOVAL/INSTALLATION [L.H.D.].)(See ACCUMULATOR TANK REMOVAL/INSTALLATION [R.H.D.].)
6. Correctly oil match the system. (See COMPRESSOR OIL ADDING.)
7. Evacuate and charge the system. (See A/C SYSTEM EVACUATION AND CHARGING.)
8. Dispose of contaminated refrigerant according to all federal, state and local regulations.