Filling with Fluorescent Tracing Agent and Refrigerant

Filling with fluorescent tracing agent and refrigerant

Regulations

Regulations
Filling the climate control system with fluorescent tracing agent and leak tracing using a UV lamp

Note! Check whether there is a decal in the engine compartment indicating that the car is filled with fluorescent tracing agent. See the general information, "Decal, fluorescent tracing agent".

Note! The coloring agent may discolor the car paint work. Therefore extreme caution must be taken when handling the tracing agent.

Note! Carefully follow the manufacturers instructions when handling the UV lamp and the tracing agent.

The fluorescent tracing agent can be injected in the following cases:
- when it is not possible to localize the leak using an electronic leak tracer
- when replacing components
- for leak tracing where tracing agent has not previously been used in the car
- when replacing the compressor if tracing agent has previously been used in the car
- when a majority of the components are replaced and tracing agent has previously been used in the car.

Note! When replacing components for example, do not forget to compensate for the amount of compressor oil in the climate control system. See Oil in the A/C system Oil in the A/C system.




1. Valves closed
2. The cover for the injector / reservoir
3. Fluorescent tracing agent.

Note! After filling with the tracing agent, the decal supplied by the manufacturer or supplier must be applied at the point indicated. See the general information, Positioning the decal.

Filling with fluorescent tracing agent
When replacing a component in the climate control system, the component (for example the drier) can be filled with tracing agent.

Filling an empty climate control system with tracing agent when a leak cannot be localized
- Add fluorescent tracing agent to the refrigerant according to the manufacturers instructions for leak tracing.

If the climate control system is filled
- Drain the refrigerant. See
- Fill the climate control system with refrigerant and tracing agent according to the manufacturers instructions
- Leak trace. See Leak tracing, fluorescent tracing agent / UV lamp Leak Tracing, Fluorescent Tracing Agent / UV Lamp.

If the amount of refrigerant in the climate control unit cannot be determined
- Drain the climate control unit. See
- Fill the climate control system with refrigerant and tracing agent according to the manufacturers instructions
- Leak trace. See Leak tracing, fluorescent tracing agent / UV lamp Leak Tracing, Fluorescent Tracing Agent / UV Lamp.

Injecting tracing agent

Note! On newer filling/draining/vacuum pumping stations there is a reservoir for injecting oil. It can be used for filling with fluorescent tracing agent before filling with refrigerant and after vacuum pumping.

Check that the valves on the draining / recycling station are closed when the vacuum pumping is completed after draining the refrigerant.




Close the valves on both side of the injector as illustrated
Unscrew the cover on the injector
Pour in the tracing agent. One bottle in the reservoir

Note! Always inject exactly the right amount. Do not inject the tracing agent twice.

Screw on the cover, ensuring that it is secure
Begin filling with the refrigerant




Open the valves on the injector
Fill the refrigerant in the air conditioning (A/C) system with tracing agent.