Auto Air Conditioning Diagnostic Charts. Systems with fixed orifice expansion devices. Both temperatures are usually needed to analyze system performance.
Automotive air conditioning training manual from www.slideshare.net
Check for holes or open vents 4. A/c pro is the easy diy car a/c repair that saves time & money. Diagnosing an a/c cooling problem is best done by connecting a gauge set to the high and low pressure service fitting on the system.
Alliance For Residential Building Innovation (Arbi) March 2013.
Automotive a/c diagnostic checkout procedures please send comments, corrections and additions to: The most ideal pressure readings are around 150 high and 30 low. Hot air leaks into car 4.
For Auto Air Conditioning R134A Systems:
Remember, venting 134a refrigerant into our atmosphere is illegal and bad for our environment. Automotive ac pressure chart for air conditioning systems with r134a: For auto repair shops who want to provide a professional and trusted ac service.
The Costs Are Also Dependent On The Type Of Car.
Frozen expansion valve repair 1. We hope this chart will help you quickly troubleshoot and repair your air conditioner or heat pump. This can be helpful in a/c diagnosis.
Check System Controls, Normal No Bubbles In Sight Glass
Larger problems, such as a compressor replacement, might cost as much as $1,000. I started using one at in the mid 60's. An r134a temperature‐pressure chart shows what the refrigerant temperature should be at a specific pressure.
Air Conditioner Diagnostics, Maintenance, And Replacement D.
Turn thermostat switch back 2. Get precise with the diagnosis and fix customers' cars at the first visit. Expansive valve open or leak.
