Automotive 134a Pressure Chart
With the a c turned off on a cold day the pressure will be low on a hot day the pressure will be high.
Automotive 134a pressure chart. 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. This simple fix recharges the r 134a freon stop leaks gets your car a c cold again. Remember venting 134a refrigerant into our atmosphere is illegal and bad for our environment.
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 most ideal pressure readings are around 150 high and 30 low. As an air conditioning refrigerant in newer automobiles the optimal running pressure for r134a is between 22 and 57 pounds per square inch.
The table below shows the comparison between temperature and pressure for r134a. I didn t have to replace any parts. The gauges readings will depend on the ambient temperature.
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. There are no leaks nothing is missing pressure was okay on the high and low end. R 134a temperature pressure chart tabla de temperaturas y lecturas.
R 134a is the most common refrigerant found in automobiles today. Yeah you have to service it at regular intervals. That being said there are still millions of cars on the road that.
My white car didn t cool down i thought something broke. I went to a place that does a c service and they got it to work. A c pro is the easy diy car a c repair that saves time money.
They said that the a c has never been serviced. 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. The system should be recovered vacuumed min 20 minutes and charged.