The AC machine is used to safely and legally remove the refrigerant from a charged system. It is against the law to willfully vent any…

1. Run the vehicle with the AC turned on for more than 2 minutes. Turn off the vehicle and wait 3 minutes before connecting the…

Below are the steps for using the refrigerant identifier. 1. Connect the identifier to a power source and let the unit warm up. Some identifiers…

Performing a heat load test on an AC system is an effective method of measuring the system’s performance. It is important to remember that this…

An excellent way to determine if the AC system is operating correctly is to conduct a performance test. This provides useful data that can be…

Electronic leak detectors are very useful tools for locating refrigerant leaks. These very sensitive devices should be used when available to pick up traces of…

The use of a tracer dye that mixes with the refrigerant oil is often used as a leak detection method. Some manufacturers install tracer dye…

The pressurized refrigerant has oil mixed with it at all times to provide lubrication for the AC compressor. When the refrigerant leaks out of the…

Here are some characteristics to look for under the hood with the system turned to high. ? The lines, hoses, and components in the low…

Before learning how to diagnose an AC system that is not performing at optimal levels, it is advisable to understand what a normally operating AC…