Automotive 134a Pressure Chart

As an air conditioning refrigerant in newer automobiles the optimal running pressure for r134a is between 22 and 57 pounds per square inch.

Automotive 134a pressure chart. It can be used for recharging refrigerant or to diagnose an a c system based on pressure readings from your gauges. I didn t have to replace any parts. A c pro is the easy diy car a c repair that saves time money.

That being said there are still millions of cars on the road that. Remember venting 134a refrigerant into our atmosphere is illegal and bad for our environment. The most ideal pressure readings are around 150 high and 30 low.

R 134a temperature pressure chart tabla de temperaturas y lecturas. They said that the a c has never been serviced. There are no leaks nothing is missing pressure was okay on the high and low end.

R 134a temperature pressure chart for expansion valve system engine and ac running ambient temperature f c low pressure gauge high pressure gauge 60 f low side pressure 7 15 psi high side pressure 120 170 psi 70 f low side pressure 7 15 psi high side pressure 150 250 psi. By jamco auto parts r134a pressure gauge chart this chart details how ambient temperature correlates with the system refrigerant charge pressure and how it affects high and low side psi readings. Yeah you have to service it at regular intervals.

The system should be recovered vacuumed min 20 minutes and charged. My white car didn t cool down i thought something broke. R 134a is the most common refrigerant found in automobiles today.

It has been in use since the early 1990 s and now in 2019 we are beginning to see it s popularity wane with the rise of the new hfo refrigerant known as r 1234yf. The gauges readings will depend on the ambient temperature. The following table presents the possible inferences and the actions that can be taken based on the level of pressure registered by the high and low pressure gauges.

When an air conditioning system loses its ability to cool properly it may be necessary to recharge the system with new refrigerant keep reading for a r 134a a c pressure chart and steps on how to recharge the a c system when the system is low on pressure or has been vacuumed out following a repair. System pressure chart get a quick look at what an average a c system looks like along with the compressor manufacturer and what the specific r 134a requirements are for your car. I went to a place that does a c service and they got it to work.