Question about 1995 Buick Century

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I am looking for the port to charge the air 1995 buick century

I am looking for the port to charge the air conditioner

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  • rckdlfrm Jul 14, 2010

    I do not know if it's just a modification made on my car, or all Centruies, however I found the low pressure port (blue cap) near the bottom of the radiator, almost directly below the high pressure port (red cap) directly behind the radiator.

  • rckdlfrm Jul 14, 2010

    I AM ABSOLUTELY STUPID, APOLOGIES TO EVERYONE. I haven't owned a Century for 3 years. I now have a Skylark. Was just one of those senior moments when I started looking for the port. Please have a good laugh on me!



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Look in the center of the firewall behind the engine for a black cap that looks like a tire valve stem cap ,......only larger

Posted on Jul 13, 2010


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1 Answer

1995 Buick Century blowing hot air.

A mechanic would check the system with a set of pressure gauges. If the compressor is running, the low side would read around 30psi and the high side would be around 250psi. That is how you know if the system is full of freon or not.
You may have to get a professional diagnosis to proceed. If you replace the compressor, the accumulator needs to be replaced and a vac pump is used to pull all of the air out before the freon is added.

May 07, 2013 | 1995 Buick Century

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2000 buick century need to find the air conditioner low port

i believe on that model it is on the receiver dryer the tin can looking part

Jun 16, 2012 | 2000 Buick Century

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Auto air conditioner fitting to fill refrigerant


May 06, 2012 | 2002 Buick Century

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I have a 1995 buick century im kinda new at fixin it my air conditioner went out it needs freeon where and how do i fill it not sure need help

Yuo must fill it through the LOW SIDE service port. I cannot tell you EXACTLY where to find it because the locations are different from model to model, year to year and engine size to engine size. You will have to identify the low side line and locate the port.

There are very good videos on this subject at the interdynamics web site. They show how to identify the fittings and how to go about charging the system. Just click the direct link below to go to the site.

Interdynamics Instructional Videos

Sep 02, 2011 | 1995 Buick Century

1 Answer

What are the torque settings for mounting an automobile air conditioner compressor on a 1995 buick century with a 3.1 engine

Hello! Install bolts...Tighten front bolts to 37' #'s...Rear bolts to 22' #'s...Attach compressor hose and tighten bolts to 24' #'s........


I’m happy to help further over the phone at

Aug 06, 2010 | 1995 Buick Century

2 Answers

How do you rechaharge air conditioner with refrigerant on a 1999 Buick Century? I can't find the low side service port n a/c

It is located under the hood midway on the a/c line next to the firewall. It is the Large line, looks like a tire valve, unscrew the black cap.

Jun 12, 2010 | 1999 Buick Century

1 Answer

2001 buick century

You have two lines coming from the condensor on those lines you'll have a port with a cap on it sometimes they are colored blue and red. If so its the blue cap port to charge it if not colored its the larger of the two.

Aug 23, 2009 | 2001 Buick Century

1 Answer

Buick roadmaster 1992

The port is located in the larger of the 2 lines coming from the AC compressor, the charging port will be somewhere on that line with a plastic cap over it, the line goes into a part called an accumulator, it is about the size of a 1lb can of coffee, the port may be there as well, it varies from model to model.

Oct 26, 2008 | 1995 Buick Roadmaster

1 Answer

Air conditioning

If you want to do it yourself. Most auto parts stores and hardware stores have recharge kits. Purchase a kit with a gauge to prevent overfilling.

Jul 26, 2008 | 1992 Buick Century

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