Automotive Ac System Diagnosis

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Automotive ac system diagnosis.

Attach to the hoses and gauge set to the high and low side ports of your ac system. 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. 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. With the engine off for at least 30 minutes read the low and high pressure gauges.

Static pressure is the pressure with the system at rest compressor off for at least 30 mins. The typical complaint for an ac problem is the ac blows warm air. Start your ac pressure readings diagnostic by measuring the system s static pressure. If the clutch is not engaging use a voltmeter to check for voltage getting to the compressor.

Ac system diagnosis by symptom ac system diagnosis. As the internal parts disperse the metallic debris ends up throughout the entire system. When diagnosing an air conditioning issue it s easiest to begin at the compressor. The ac system operation ac system service and the.

This condition has a few possible. Typically this results from a defective or failing compressor that breaks apart.