4. Fill the R-134a fluorescent dye injector reservoir with 7.4 ml (0.25 fl oz) of fluorescent dye. Use the General Equipment: Fluorescent Dye Injector
5. Install the R-134a Fluorescent Dye Injector between the low-pressure service gauge port valve and the R-134a Air Conditioning Service Unit or R-134a Air Conditioning Manifold Gauge Set. Use the General Equipment: Fluorescent Dye Injector
6. NOTE: Following fluorescent dye injection, the refrigerant system should be fully charged to make sure of correct movement of the dye. The dye moves with the oil not the refrigerant. The oil moves with the refrigerant.
Open all valves and inject the fluorescent dye into the refrigerant system by charging the refrigerant system with the required amount of R-134a.
7. When fluorescent dye injection is complete, close all valves.
8. Recover the refrigerant from the dye/lubricant injector.
9. Remove the dye/lubricant injector from the low-pressure service gauge port valve and the R-134a Air Conditioning Service Unit or R-134a Air Conditioning Manifold Gauge Set. Use the General Equipment: Fluorescent Dye Injector
Fluorescent Dye Injection Using a R-134a Fluorescent Dye Injector — Vehicles Not Requiring R-134a Addition
NOTE: Fluorescent refrigerant system dye is added to the refrigerant system at the factory to assist in refrigerant system leak diagnosis using a Rotunda-approved UV lamp. It is not necessary to add additional dye to the refrigerant system before diagnosing leaks, even if a significant amount of refrigerant has been removed from the system. Replacement suction accumulators, receiver driers and receiver drier elements are shipped with a
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