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Hi,

I have"7th generation 2001 Civic ES and the AC system is not working due to low pressure. There is some pressure in system and compressor kicks in after shorting the pressure sensor connector pins. The AC was serviced last year when also had low pressure, don't know how it behaved before that since I bought the car 2 years ago.

I looked for refrigerant leaks using UV light and there's bunch on top of receiver/dryer. See the pictures below.

It seems that problem is in the connectors on the receiver/dryer and changing O-rings could fix this. As far as I've read, it's also recommended to replace receiver/dryer whenever the AC system is opened. Would bolts need to be replaced as well?

I was looking at the parts in the schema on 48parts:

Since AC system did work for few months after last servicing and there is some pressure inside, I'm considering just refill it again if proper fix is too expensive.

Has anyone seen problem like this before? Are my assumptions correct?

Recevier / dryer in UV light


Receiver / dryer in regular light