1991 Honda Civic "r134a operating pressures" Questions

...a/c returns to normal operation after letting it rest, then it could be a charge problem for the R134a if so equipped. It's likely that the system is undercharged after all these years. The low ...

...operating. Leakage of r134a refrigerant is common on older cars, and you may want to try this 'Arctic Freeze' r134a mixed with a special additive that seals leaks and also makes it cool 50% faster ...

...pressures being way off I suggest you look at a pressure temperature chart so as not to look well the way you do at 35 degree's fahrenheit the difference in pressure for R12 and R134a is 3 psi so ...

...operating preassure on low side ac 2004 pontiac sunfire There are no normal specifications I explain. R134A refrigerant act different He changes pressure (status) with humidity percentage level. One ...

...are missing from the car, it will state which type of refrigerant is used. Could be either R12 or R134a. If originally R12, it could have been replaced by R134a with an upgrade kit. The easiest way ...

...are several things that can cause your trouble ...but the most likely is that it is simply low on R134A refregerant .. when the internal pressure gets too low there is a "low pressure" switch that ...

...operating. if you have too much r134a then typically it will work but will probably blow out a hose. adding fluid to a leaking system will only make it work until it leaks back out .. sometimes that ...

ac compressor good but wont start compressor fairly new. It will not engage/start. R134a changed/replaced 2 times but still the compressoe will not start. The gauges read 56 on the low pressure side ...

...operating. Any suggestions as to why the compress is not working. There is not cool air. Thanks Most common cause is that your A/C system is low on R134a and needs to be recharged. All A/C system has ...

...have air in the system. The cure is to discharge the entire system and refill with about 3 LBS of R134a. Pressure reading with aformentioned conditions should be 45-50 PSI.... ...