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5. If a leak detector detects a leak, verify at least once by blow- 6. Do not stop when one leak is found. Continue to check for 7. Start engine. 8. Set the heater A/C control as follows: 1) A/C switch ON. 2) Face mode 3) Recirculation switch ON 4) Max cold temperature 5) Fan speed high 9. Run engine at 1,500 rpm for at least 2 minutes. 10. Turn engine off and perform leak check again following steps 4 through 6 above. SHA839E Refrigerant leaks should be checked immediately after 11. Before connecting ACR4 to vehicle, check ACR4 gauges. No refrigerant pressure should be displayed. If pressure is 12. Confirm refrigerant purity in supply tank using ACR4 and refrig- erant identifier. 13. Confirm refrigerant purity in vehicle A/C system using ACR4 and refrigerant identifier. 14. Discharge A/C system using approved refrigerant recovery equipment. Repair the leaking fitting or component as neces- 15. Evacuate and recharge A/C system and perform the leak test to confirm no refrigerant leaks. 16. Conduct A/C performance test to ensure system works properly. GI MA EM LC EC FE CL MT AT AX SU BR ST RS BT SC EL IDX SERVICE PROCEDURE MANUAL Refrigerant Lines (Cont’d) HA-207 |