Injecting Tracing Agent

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

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.

Fig 1: Filling With Fluorescent Tracing Agent And Refrigerant

Courtesy of VOLVO CARS OF NORTH AMERICA.

Close the valves on both side of the injector as shown.

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

Fig 2: Identifying Injector Valves

Courtesy of VOLVO CARS OF NORTH AMERICA.

Open the valves on the injector

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