Use a leak detector.
Air conditioning leak detection dye.
The types of freon leak tests for an air conditioner 1.
The mixture then escapes and accumulates at all leak sites.
The amount of dye necessary may vary with the leak detector system.
As the name suggests the hvac tech runs this tool along the refrigeration components to detect any r22 or r410a outside of the system.
Sooner or later air conditioning systems are going to develop leaks.
Run the air conditioner and look for constant or intermittent leaks.
If you cannot hear the leak or find any oil residue then a detector is needed.
A c leak detectors and sealers use uv dye and your vehicle s air circulation system to identify and eliminate any small airflow leaks.
It s a method in which a small amount of fluorescent dye is injected into and circulated through an operating system.
Electronic leak detector test.
If you do not have a detector you can purchase one from amazon from about 35 00.
Most kits require the insertion of dye into the low side air conditioning fitting.
By then scanning the system with a leak detection lamp all leaks will fluoresce green or yellow making them easy to spot.
By scanning the system with a leak detection flashlight all leaks will glow brilliantly making them easy to spot.
Most hvac service technicians keep an electronic leak detector or sniffer in their toolkits.
Air conditioning leak detectors and sealers can help your vehicle s a c system run smoother create cooler air and work more efficiently by preventing the loss of refrigerant.
The detector is comprised of a main body which holds the sensing device batteries on and off switch and sensitivity controls.
Don t feel like waiting for the dye to.
Interdynamics certified ac pro car air conditioner leak detector dye compatible with r134a r12 and r22 for cars trucks more 1 oz 376cs 4 6 out of 5 stars 237 7 19 7.
A dye based air conditioning leak down test uses a colored dye to find freon leaks in your air conditioning system using this test a colored dye is injected into the a c system which will be visible under uv ultra violet light at the point of a leak anywhere in the system.
This cap may be labeled with the letter l connect the dye to the valve inside the fitting and inject dye into the system.