Question about 1998 Buick Regal

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Where is the low pressure port for adding freon

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This one took me 30 mins to find, its at the back of the engine at the center of the firewall (below the windshield ) . This is where the a/c lines go into the car ( evaporator) its hard to see if your tall . Remove the cap and attach your gauge . Good luck.

Posted on May 29, 2010

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At the compressor, locate the 2 lines going into the compressor, follow the larger of the 2 lines until you find the low pressure port. They are often on the passenger side of the engine compartment.

Posted on Apr 25, 2010

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Posted on Jan 02, 2017

polarcycle
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SOURCE: cant find the low pressure port to charge a/c on 2000 olds alero

It should be near the compressor on the low side line. It is a huge pain to get to. Feel along the line, and you should come to the fitting.

Posted on Mar 06, 2009

  • 3 Answers

SOURCE: Adding freon to air conditioner

If your system takes R-134 then the fittings for the high and low pressure are different sizes. You should only be able to fit the connector on the low pressure side.

Posted on May 09, 2009

emissionwiz
  • 76848 Answers

SOURCE: where is the ac low pressure port to recharge the

It is on or near the reciever dryer or shiny looking thing at the right rear of the engine compartment. You need gauges to correctly add refigerant as you can overcharge it.

Posted on Jun 25, 2009

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SOURCE: Looking for low pressure port for servicing Freon

The ports on my 2005 silverado are on the same line,which is very confusing but, in between the two ports is the metering device (orifice) which changes the high pressure gas into a low pressure gas.The two ports are of a different size,with the low pressure being the smaller of the two. You can put your hand on the line, on each side of the metering device connection and the high side will be hot and the low side will be cold

Posted on Jul 18, 2009

MauiRentaCar
  • 288 Answers

SOURCE: I want to refill with freon my 94 Toyota Corolla.

First of all this car does not use Freon. It uses R-134a refrigerant.

Recharge through the a/c low side port, on the passenger side just in front of the firewall.

Frank
Frank's Friendly Cars Maui Car Rental
www.MauiCarRental.biz

Posted on Aug 30, 2009

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1 Answer

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

1 Answer

A/c problem


The A/C system requires pressurized Freon to work. As long as there is still some pressure remaining in the system, there is hope to solving the problem. A bigger problem is created when outside atmospheric air seeps into the system because it contains humidity and that type of air can be compressed, but has no ability to work like Freon. A complete purge of the system with an electric Vacuum pump would be needed after fixing the leak which caused the seepage.

But if your A/C has pressure, there is a chance Freon with a sealer could be added. What happens is there are 2 shut-off switches working from Freon pressure, a low and high range pressure switch. If you are low on Freon, an access port can used to add Freon.

You would attach a can of Freon with a sealer and follow the instructions for refilling the unit. There are some cans with a gauge and hose attached. Otherwise a guage set, called Manifold guages would be needed. In some cases, with extremely low pressure, the low pressure switch would need to be bypassed with a jumper wire.

The car engine must be running to do this. So care is needed to avoid moving parts.

Please rate my info.

Jan 08, 2013 | Cars & Trucks

1 Answer

How do remove the pressure ,before you add r34 cooler


you never work from the high pressure side of an a/c system. EPA requires it to be recycled, freon is removed using a vacuum tool on the low port until the system holds vacuum for 5 minutes. Then the recycler is removed and freon is added. You mean R134 right?

Aug 20, 2012 | 2001 Volkswagen Beetle

2 Answers

R12 to r134a 1996 honda accord recharge


yes, L is for low pressure side or suction, attach refrig. to this port

Jul 15, 2012 | 1996 Honda Accord

2 Answers

Air conditioner does not cool in 2000 Yukon.How do I check freon level and how to replace freon if need be


Get an r134a refrigerant add kit from Walmart or your local auto parts store.

You can even get a can of Arctic Freeze by Intermatics that has a hose and a gauge on it.

Connect the hose to the low side port. You can find this port on the 'thicker' piping that comes off of the compressor (versus the thinner piping that comes off the compressor which is the high pressure side).

Pressure should read 25 psi to 45 psi on the low pressure side when the compressor is running and the a/c is on.

Pressure should read 75 psi to 100 psi on a hot day when the car is off.

However, you'll want the a/c to be running when you add freon.

Press the button on the can to install more freon, if needed.

Aug 19, 2010 | 2000 GMC Yukon Denali

1 Answer

Adding freon


There are 2 ports, the low pressure side is larger in diameter, and that is where you attach the freon container.
The thinner hose is the high pressure side, and is not where you add freon, but only attach a gauge.
Wear eye protection.
Locate the receiver/dryer, after the condenser.
It is a cylinder with a small glass port at the top.
With the engine running, add freon until you no longer see bubbles in this sight glass. But do not add more than that or you could blow the pump on liquid.
You can put the freon can in a bowl of warm water as it slowly is sucked in and ices up.

May 16, 2010 | 2004 GMC Yukon

1 Answer

I need to add freon ton a 1998 suburban. I


If the compressor will run turn it on and let it run for a few minutes, the line that gets cold is the low pressure side, this is usually the one closest to the firewall. The reason that they are 6 inches apart is that they are on opposite sides of the orfice tube, hence one is high pressure and one is low.

Apr 16, 2010 | 1997 GMC Suburban

2 Answers

Where is the low pressure port for the a/c located


If you can follow the a/c lines look for 2 valves, may have black or different colored caps on them. The small one is the low pressure port. If you are looking at recharging your ac system make sure that you have the a/c turned on full blast when you go to add the freon. Also pay attention to your a/c clutch. if it is clicking on and off for short periods at a rapid rate you definately need freon. You may also want to get freon with stop leak and leak detector added already so you can check for leak (in case you hadn't already thought of that)

Mar 19, 2010 | 2002 Suzuki XL-7

1 Answer

Tahoe Air Conditioning - No Electricity to Compressor


With the engine NOT running, pull the connection to the compressor clutch and hit the terminals with 12 volts from the battery. If the clutch clicks it's OK and probably is not working because of a low freon interlock if there is one.

You said you added a can of freon...... was the clutch working when you did this? If it all went sour when you added the can , could you have done it wrong and dumped the rest of the freon?

Jun 30, 2008 | 1997 Chevrolet K1500

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