Automotive Ac System Diagnosis

When diagnosing an air conditioning issue it s easiest to begin at the compressor.

Automotive ac system diagnosis.

Typically this results from a defective or failing compressor that breaks apart. In this situation you might need more than a condenser but also the tubes receiver dryer and compressor. With the engine off for at least 30 minutes read the low and high pressure gauges. If the readings are very high then you may have a problem with air trapped in the system or an airflow problem with the condenser.

The typical complaint for an ac problem is the ac blows warm air. With the engine running turn the a c on max cool set fans high and make sure that the clutch is engaging on the. As the internal parts disperse the metallic debris ends up throughout the entire system. This series is divided into three parts.

Start your ac pressure readings diagnostic by measuring the system s static pressure. Attach to the hoses and gauge set to the high and low side ports of your ac system. If the pressures do not change at all when the compressor engages then the compressor has failed or there is a problem with the metering device. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube.

If the clutch is not engaging use a voltmeter to check for voltage getting to the compressor. This condition has a few possible.