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Have 2003 buick century with 3.1 litter engine need schematic if airconditioning lines cant locate port to add freeon found one port on the firewall but the connector from my 134 kit doesnt fit and I

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Posted on Jan 02, 2017

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SOURCE: have 2002 buick century with 3.1 litter engine need schematic if airconditioning lines cant locate port to add freeon found one port on the firewall but the connector from my 134 kit doesnt fit and I

The diagram below is of the low side port which is the charging port.

Posted on Aug 23, 2012


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Locating spark plugs on 2003 buick century

I am assuming you have a 3.1 v6 engine the spark plugs are 3 right in the front next to the oil dipstick and above the exhaust manifold you can follow the wires from the coil to find each plug. The other 3 are on the back side of the engine and can be difficult to get to. Easiest way is to remove the upper engine mounts and tilt the engine forward a few inches with a ratchet strap or something to gain clearance. MAKE SURE it is secure because your arms will be back there. And those three plugs are in the same location as others just on the opposite side of the engine.again just follow spark plug wires down to the plug.

Jan 01, 2017 | 2003 Buick Century

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Where is the low pressure port on the 2002 Buick century?

Firewall side. This is a 3100 engine? Been a while, but it is located passenger side, firewall, behind the engine. Not the best place but it is what it is. It may be covered in black soot to have camouflage it just look carefully. If you're just charging the system, and it is empty, replace the schrader valve while you're there - it's an old car and those valves are cheap

I don't remember if the century came with a 3800 but if so it is directly on the firewall.

Feb 23, 2015 | 2002 Buick Century

1 Answer

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

Where do you put the freeon in the car on a 2003 lincoln LS V8 engine? i cant find the high pressure or low pressure line!!!!!!!!! help please.

The high port is in plain site next to the radiator on left side
The low port is on the compressor,have to remove some
rubber parts to get over sub frame.

No point in adding
If you have to add you have a leak.

How would you know how much is in the system &
how much to add. Don't do it

Have it properly done at a repair shop

May 23, 2011 | 2003 Lincoln LS

1 Answer

Low ac port location on 2000 buick century

follow the ac hoses off the ac compressor toward the firewall will be a capped port to add your freon! hope this helps! craig

Aug 26, 2009 | 2000 Buick Century

2 Answers

Where do you put the freon in a 2003 Buick Century

On my 2002 century the low pressure connection is in tnhe center of the engine compartment at the top againt the firewall just below the hood. It has a black screw-on cover.

Aug 20, 2009 | 2003 Buick Century

1 Answer

I dont know where to add freeon to my 1999 kia sportage 4x4

Find the A/C compressor. Look a both lines going to it. One line should be bigger than the other. The bigger line is the Low Side (suction port) follow that line it goes to the firewall to the evaporator that is in your dash. The low side pressure port is somewhere in that line between the evaporator and the compressor. That port is where you check low side pressure and add freon. Don't worry if you buy a charging kit from a part store you can't hook it up wrong, the low side port and the high side port are different sizes and the hose won't fit. With the A/C running on high, low side pressure should be about 35psi.

Mar 01, 2009 | 2000 Kia Sportage

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