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LEAK DETECTION 0 6 6 | 0 67<br />

LEAK DETECTION<br />

USING HIGH-TECH TO TRACK DOWN LEAKS<br />

QUICK LOCATION OF LEAKS<br />

One of the most important service jobs on vehicle air-conditioning<br />

systems is leak detection. In many cases, a lack of<br />

refrigerant in the system is the reason for a drop in performance.<br />

Before the system is recharged, the service technician<br />

must check whether the loss of refrigerant was natural due to<br />

the life-time of the A/C system or due to a leak.<br />

The 4 most important methods for detecting<br />

leaks are:<br />

1. Leak detection using tracer gas<br />

2. Leak detection using R134a leak detectors<br />

3. Leak detection using UV dye<br />

4. Leak detection using nitrogen and leak detection spray

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