The typical complaint for an ac problem is the ac blows warm air.
Automotive ac system diagnosis.
As the internal parts disperse the metallic debris ends up throughout the entire system.
Start your ac pressure readings diagnostic by measuring the system s static pressure.
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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.
Ac system diagnosis by symptom ac system diagnosis.
This series is divided into three parts.
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.
Typically this results from a defective or failing compressor that breaks apart.
This condition has a few possible.
When diagnosing an air conditioning issue it s easiest to begin at the compressor.
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.
With the engine running turn the a c on max cool set fans high and make sure that the clutch is engaging on the.
Attach to the hoses and gauge set to the high and low side ports of your ac system.