Automotive Ac System Diagnosis

As the internal parts disperse the metallic debris ends up throughout the entire system.

Automotive ac system diagnosis.

With the engine off for at least 30 minutes read the low and high pressure gauges. Start your ac pressure readings diagnostic by measuring the system s static pressure. Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. The ac system operation ac system service and the.

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. Static pressure is the pressure with the system at rest compressor off for at least 30 mins. When diagnosing an air conditioning issue it s easiest to begin at the compressor.

With the engine running turn the a c on max cool set fans high and make sure that the clutch is engaging on the. This condition has a few possible. This series is divided into three parts. Ac system diagnosis by symptom ac system diagnosis.

The typical complaint for an ac problem is the ac blows warm air. If the clutch is not engaging use a voltmeter to check for voltage getting to the compressor.