Engine Size: 5
Sorry, it didnt take my input so here it is. System charged to specs and runs fine for about 2-3 weeks, then it dumps all coolant. I do not know what happens as my son drives the car, then he says the A/C no workie. I pull a vac and let it hold overnite then service with about 32/33 oz of coolant, any ideas?
Have you performed a leak check yet to see where it is losing the refrigerant from? Is it leaking out or is it coming out of the high pressure relief valve? What pressure readings are you getting from the system when you are charging? Have you been using just straight R134a or something with sealers or additives? Any other work on the A/C system been performed?
Sorry again, here are my pressures at approx 75 degrees 33 low 175/180 high.
Without adding dye, I cannot tell where it is leaking or venting from. I am not aware of the high pressure relief valve location.
OK, car is home and some updates, first of all it did not bleed off the 134, the compresser cycles with my low side pressures being 58 down to 30, but my high side pressure is 80 only going up to 100. The ambient temp is 75 degrees. Sounds like some kind of restriction but I cannot find where the orifice is to at least check that first. Any help is welcomed.
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