Leak Testing After Service Operation

CAUTION: Avoid breathing A/C Refrigerant-134a and lubricant vapor and mist. Exposure may irritate eyes, nose and throat. To remove R-134a from the A/C system, use service equipment certified to meet the requirements of SAE J 2210 (R-134a recycling equipment). If accidental system discharge occurs, ventilate work area before resuming service. Additional health and safety information may be obtained from refrigerant and lubricant manufacturers.

Perform a refrigerant leak test on the system whenever you suspect a leak. Perform a refrigerant leak test on the system following a service operation that disturbs the components, the lines, or the connections. Many methods and special tools are available for this purpose. However, no matter which tool is used, care and diligence are the biggest keys to success. Leak Testing