Automotive Ac System Diagnosis

This condition has a few possible.

Automotive ac system diagnosis.

As the internal parts disperse the metallic debris ends up throughout the entire system. Typically this results from a defective or failing compressor that breaks apart. Attach to the hoses and gauge set to the high and low side ports of your ac system. This series is divided into three parts.

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. Start your ac pressure readings diagnostic by measuring the system s static pressure. 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.

The ac system operation ac system service and the. With the engine running turn the a c on max cool set fans high and make sure that the clutch is engaging on the. Static pressure is the pressure with the system at rest compressor off for at least 30 mins. In this situation you might need more than a condenser but also the tubes receiver dryer and compressor.

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.