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What is the correct freon to use for the ac - DeVille Cadillac Cars & Trucks

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If it's a mid 1990's or newer then it should take R-134-A availble at several dept. stores or autoparts supplies. If it's a older model then it may take R-12 which you have to be lincensed to even buy. There should be a decal under the hood [ most GM cars have it on the A/C housing ] stating the type and amount the system takes when empty.
Inexpensive R-134-a charge kits are available also, just make sure you understand the directions before you attempt any recharge as you can ruin the A/C system or hurt youself.

Posted on Mar 16, 2011

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Freon capacitiesfor a 1990 Mercedes Benz 2.6 engine


Freon goes in the ac system and is adjusted to an operating system pressure for the gas in use. If you need to add gas then you have a leak so it would be a good idea to visit an accredited ac specialist shop to find and fix the leak and have the correct amount of gas added.

Jul 24, 2014 | 1990 Mercedes-Benz 300 Diesel

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My gmc yukon 2000 slt rear ac blows hot air when i have ac . on and the front works fine .


I have a 2000 GMC Savana Van SLT with front and rear AC/Heat. My front would blow hot while the rear blew cold with AC on. It turned out to be low on Freon. It's hard to know if you have the right amount of freon installed because pressures vary depending on the ambient temperatures. So the best way is to remove all the freon then reinstall the recommended amount as listed on the evaporator housing near the firewall. This worked fine for me... works like new after installing the correct amount of freon.

Jul 01, 2014 | 2000 GMC Sierra

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The AC in my 2003 VW Convertible is not chilling enough. What can I do about it?


Your system may just be low on freon. Most auto parts stores sell 134a freon for about $10 a can. If you visit an Autozone store the parts counter personnel might also show you how to add freon to the VW Beetle, it's not hard once you know where the correct port is located. You simply start your car, connect the freon dispensing hose to the AC port (there are two (2) ports, but the hose connection will only fit onto the smaller of the two (2) ports - the low pressure side). Allow the car to run while the can is discharged into the AC system, generally takes 10-15 minutes. Most dispeners have a freon pressure gauge on the hose portion that attaches to the can. Never disconnect a partially empty can unless there is a shutoff valve, and the valve is closed all the way. Better to add the entire can to the AC system.
If you have never added freon to your 2003 VW Beetle, that's the most likely problem. You could also have developed a slow leak in the compressor or AC lines, so I recommend adding freon WITH a sealant in the same can just in case.

The job would cost between $45 and $65 if you take it to a reputible mechanic to perform. That usually includes a full blown pressure test of the AC system. and a whole list of costly recommendations.

May 01, 2014 | 2003 Volkswagen New Beetle Convertible

2 Answers

I tried to fill ac system and compressor was cycling then just quit cycling and ac light on instument panel is flashin


probably to much Freon! when adding Freon always put a/c to its coldest setting and make sure its on max!

Aug 15, 2013 | 1994 Chevrolet K1500

1 Answer

Ac clutch will not work on my acura legend and all freon levels are correct


Have you tired jumperiong the AC compressor clutch cycling switch in thelow side line. That may be the problem.

Jul 19, 2012 | 1991 Acura Legend

1 Answer

How do i replace a/c compressor


o replace the a c compressor do a evacuetion in the system to collect the freon them desconect the ac lines connect to the compressor next removed the serpentine belt removed the bolts from the compressor put all the parts back last thing to do charge the ac system with correct freon & correct amount read the label in top of radiator good luck

Aug 01, 2011 | 2002 Chevrolet Prizm

1 Answer

Air conditioner blowing hot air at all setting. had freon install last year about this time


Thanks for choosing FixYa and welcome. You may have a freon leak somewhere in the system. If the freon level is correct, you may have a bad AC compressor.

Apr 25, 2011 | 2000 Lincoln LS

1 Answer

Ac compressor on 99 isuzu rodeo turns on and off . already filled with freon. air is cold but not consistently


Does it have the correct amount of freon, it can still blow cold with the wrong amout of freon, this will damage the compressor,you may also have a bad cycling switch or bad high preasure switch and even a bad connection to ac system,this first thing is to make sure the correct amount was installed,

May 20, 2010 | 2000 Isuzu Rodeo

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Hi..I have 90 Celica GT model and I came to Autozone to pickup can of Freon to recharge my ac.. Autozone guy came out to check make sure compressor was working when I push the AC button. It was working...


Did you put freon in the car? If you did, and you have too much, there is a "high-pressure" cut off switch, and there is also a "low-pressure" cut off switch. So, if the freon is too little or too much, the AC is prevented from engaging. The best thing to do is take it to a guy who has freon pressure gauges; this is the only way to tell if the charge is correct or not.

Jul 16, 2009 | 1990 Toyota Celica

1 Answer

My ac blow out hot air and i want to put freon in my self and want to know how


Adding freon will not correct the problem. If you need to add freon, you have a leak, and you have moisture in the system, the leak should be located, mositure removed, then freon added. But to answer your question. Open the hood on, the left side you will see a round object called a dryer, you will see two pipes coming from it, one at the top and one at the bottom. The smaller is the high side, the larger is the low side. Obtain a can of freon either R-22 or 134a with an adapter for installing the freon. Turn the engine on, turn the AC to high. Add the freon to the ac using the low side.

Jun 30, 2009 | 1999 Saturn SL

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