Automotive Air Conditioning Information Forum

Hi,

I believe that an AC pump is usually located lowest or as low as possible. I was told that this was so that the AC oil would pool there, particularly when the system isn't running. But I have always wondered why the oil doesn't hydrolock the pump? I've heard stories of too much refrigerant in a ...

I agree with Cusser .

Some additional thoughts: If your original compressor seized up, it was probably due to a low refrigerant charge, running the system that way, and consequently, oil-starving the compressor. The refrigerant carries the oil, and lack of lubrication equals a seized compressor ...

Hi,

Thanks in advance!

I've had my Mazda 6 2006 for about 8 years. The AC pump started clicking a few years ago - though the AC worked fine - and got louder and louder. Eventually it stopped blowing cold and shortly after it seized (I feel like it overheated and then the bearing failed) so I ...