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1 quick question: which A/C port is low pressure one?

2139 Views 7 Replies 3 Participants Last post by  Anjey
420 SEL. I have multiple ports (4 of them, one on top, one on compressor, one on the lower line to compressor, finally one on the front of the car, right next to the cooling fan)

Which port is the one you hook up to in order to charge it with freon?
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My both port caps are missing! Which one do you refer to? The one on the upper hose?
Oh yes, this was VERY helpfull. Thank you!
I made this A/C work for a while!

But I got into trouble!
I'll make a separate thread for that!
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