I'm trying to troubleshoot my A/C system which is still using r12.
I evacuated the system (vacuum showed no leaks) and filled the system back up with r12. Afterward, the head pressure was too high, and the air wasn't blowing cold. Then, I started to hear a hiss coming from the expansion valve, and I can physically feel 'air' coming from near the top of the valve.
Is my expansion valve clogged? Could this be causing the high head pressure I'm experiencing? I'm hoping once I replace this (and the drier) I can finally get some cold air.
Any inputs?
I evacuated the system (vacuum showed no leaks) and filled the system back up with r12. Afterward, the head pressure was too high, and the air wasn't blowing cold. Then, I started to hear a hiss coming from the expansion valve, and I can physically feel 'air' coming from near the top of the valve.
Is my expansion valve clogged? Could this be causing the high head pressure I'm experiencing? I'm hoping once I replace this (and the drier) I can finally get some cold air.
Any inputs?
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