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[ARCHIVED THREAD] - Air Cond. / Saturn info needed

Posted: 5/30/2004 11:18:31 AM EDT

I need to charge the AC on my mothers 91 Saturn SL1, ( it has been converted to R134a a few years back) Can anyone tell me which hose is the return line?

The charging kit I have states that the adapter will only fit on a non-pressure line. Now for the confusing part. The tap that my adapter fits onto has a "P" on the cap (black cap that I removed to access the charging tap) Is that actually identifying the pressure side? or is it just there for some unknown reason...

Which side is the pressure side?
There is a smaller diameter hose that connect near the front of the comperssor that has a smaller diameter charging tap.
There is a larger diameter hose connected to the back of the compressor that has a larger tap (this is the one that my adapter fits and also the one with a "P" on the cap.

SOmeone please advise... Thanks in advance

Posted: 5/30/2004 5:52:04 PM EDT

[#1]

Unless you know what you are doing, don't fuck with it! You could hurt yourself or damage the car!

Posted: 5/30/2004 6:17:51 PM EDT

[#2]

they are both pressure sides. The bigger tube will be the lower pressure and is where you will add the freon. If you have to add some it has a leak. Usually at the compressor seals.

Rick

Posted: 5/30/2004 6:19:18 PM EDT

[#3]

You look in the chilton's manual yet?

Posted: 6/1/2004 9:51:23 AM EDT

[#4]

Everything I heave heard is that you want a guage set for both the high side and low side. Otherwise it is easy to over-charge which will harm the system (and prevent it from cooling). If I were doing it myself I'd get the high/low guage set.

GunLvr

[ARCHIVED THREAD] - Air Cond. / Saturn info needed

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[ARCHIVED THREAD] - Air Cond. / Saturn info needed

[ARCHIVED THREAD] - Air Cond. / Saturn info needed