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Locating the Airconditioning lo service port 1995

Locating the Airconditioning low service port 1995 Buick Skylark V-6

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There should be a yellow and a red cap. One is for low and one is for high pressure. You can go to and register for full free online repair manual.

Posted on Sep 23, 2009

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Can't seem to find the low port on my 1985 Buick skylark I bought the adapter for the AC since it's an r-12 any help ?

That should be the right port. Low side is the thicker hose and lines.
The fittings are opposite for R12 and R134.
Are you using an R134 hose connector ?

May 12, 2015 | 1985 Buick Skylark

1 Answer

Where is the low pressure air conditioning service port on a 1998 Buick Skylark?

Locate your AC compressor.
The low pressure service port is located on the back of the compressor where the high and low side connections bolt to the compressor.
Look on this line about 4 inches or so back on the line.

Hope this helps.. Best of Luck

Aug 21, 2011 | 1997 Buick Skylark

1 Answer

Cant find the low side for the air condition on a 1995 buick skylark


Jul 04, 2011 | 1995 Buick Skylark

1 Answer

I have a 1991 Buick Skylark for which I just bought an R134a AC conversion kit. However, the adapter in the kit that is labeled as the low side adapter does not fit on the port labeled as the low side...

it is possible just to make sure go to a auto zone or advance auto have the counter person come out and check he may assist you installing the Freon but always better safe than sorry good luck

Apr 23, 2011 | 1991 Buick Skylark

1 Answer

How to charge ac sytem.. where is the reclaimer located ... low side chrge port ?

The low side port should have a blue cap covering the valve. Even if you tried to connect a low port hose to the high port, it will not fit because it is a different design. it should be located between the compressor and the evaporator.

Aug 31, 2010 | 1995 Buick Skylark

1 Answer

Were is thje low pressure a/c switch on a 1995 buick skylark

It is most likely on the dryer,or right next to the dryer on the low side ac line(larger ac line)If this was at all helpful,please rate,thank you.

Jun 24, 2010 | 1995 Buick Skylark

1 Answer

1995 buick skylark custom ran great now it chugs and acts like a spark plug isnt firing. runs rough and chugs at low speed under 35mph. rough idle.what would cause this?

start by checking the plugs, then see if you got spark at all the plugs, check for vacuum leaks, worn wiring, fuel pressure,

Nov 23, 2009 | 1995 Buick Skylark

1 Answer

Cant find Low pressure AC port

Did you check the acumulator? There is a port on it, that is the low side port. Keep in mind that if you have to recharge the system it is because other parts need service (leak in the syst) and whatever refrigerant you put in it will leak out again. The system may work temporarily or may work inefficiently. Also may sure that there is oil in syst.

Aug 02, 2009 | 1996 Buick Skylark

1 Answer

Can't find low pressure recharge port for AC 1997 buick skylark

Where is the AC recharge port located on 1995 Buick Skylark

Jul 02, 2009 | 1997 Buick Skylark

1 Answer

A/C low side service port

look on left back side of engine near firewall kinda of low ull see it

Jun 15, 2008 | 1998 Buick Skylark

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