Question about 2004 Lexus RX 330

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Air conditioner .air gets warm at a stop. i would like to add freon 134a with stop leak but universal connector i have does not fit low side port. freon just spews out

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  • yadayada
    yadayada Sep 03, 2010

    then that is no the low side port

  • jolamags3 Sep 03, 2010

    DOES LEXUS USE SPECIAL CONNECTOR FOR LOW SIDE PORT TO ADD FREON.AIR GETS WARM WHEN CAR IS AT A STOP

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  • Master
  • 1,796 Answers

There is only one fitting for the Low Pressure Side service port valve, the Hi Pressure port valve is different. You can call the service hose connector you have universal for Low Pressure (Succion Side) service ports, since it is the same in all vehicles.

If your connector has a turn knob on top, the valve has to be backed up completely, turned counterclockwise all the way and the sleeve has to be pulled back and released only when it is set all the way in order to mount on the port. If your connector does not have a turn knob on top, the sleeve has to be pulled back and released only when it is set all the way in the service valve.

Good Luck!! Don't forget to rate this post!!!

Posted on Sep 03, 2010

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1 Answer

Where is the 123A port to charge the air conditioner on a 1989 Cadillac Allante


Unless that system was changed to Freon R-134A You wont be able to recharge it. Those used R-12. you cannot get r12 any more. It was banned. The low side port is what you are looking for, I you see the compressor mounted on the engine, follow the hoses one goes towards the passenger compartment and one goes towards the front of the car. The one that goes to the front is the low pressure side and it should have a fitting on it that looks like a tire pressure fill cap. That is the one that you want. NOTE that if the system has not been converted to 134a, you cannot use 134a. There are lots of things that have to be changed. It is not cheap to have it changed.

Aug 04, 2014 | Cars & Trucks

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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

The air conditioning doesnt work it just blows hot air even with the ac on. i dont know whats wrong with it if everything needs to be replaced or just something simple. i know nothing about cars


What I would try first is recharge the a/s system, your car came with R12 freon, that type of freon is impossible to get these days, so you will need a retro fit kit to convert it to 134A freon, the kit will have two 134a fittings that screw on to your R12 port, so that the 134a recharge hose will go on, the low side will be the one your add freon through, it will be the thinker hose of the two, the thin one is the high side stay away from that one, you will also need one can of freon (134a), if it works, it might work for a while till the freon leaks out again, then you will have to take it it for repair, but this way you know it's just a leak and every thing else works.Good luck, let me know if I can be of more help.

Jun 27, 2010 | 1992 Honda Accord

1 Answer

A/C just went out. Worked fine earlier today,


Wow thats hot!! Ok want a quick fix? You sound like ya have a leak so lets see whats going on....buy 3 cans of freon 123a...they come in 1 pound cans...get a low pressure charge hose.
here"s what you will do,
buy 1 can of leak detector freon 134a(1 Lb.)
1 can of synthetic freon 134a with oil(1Lb.)
1 can of 134a freon with sealer
Find the low fill port the fitting will only fit on low side....there are two one is the high one is the low they both have screw off caps use the bigger one...thread the first can with leak detect. in it and fill it through the port, turn a/c on high blow full a/c, jump out the compressor low pressure cut out switch...if you buy your stuff from Auto Zone the guy will show you which switch that is on a diagram he can supply for free just ask, next fill the leak stop can, then the one with a/c oil.
Should be cold, drive a while or until it leaks out and spot the dye coloration coming out of the system showing you where the leak is, bleed off the system repair the leak and refill like I just told you use up to 2 3/4 cans max.
Happy Motoring!!

Jun 22, 2010 | 2003 Suzuki Aerio

1 Answer

My air condition is not working


first check your fuses and any relays sometimes you have multible relays that are the same in a fuse box that you can switch around but i would bet you have a leak either in your compressor or in your line if the clutch is not kicking on and off or running all the time when you turn it on thats because your freon has leaked out the system is sealed freon does not go bad if there is no pressure in the system it will just blow warm air your question is vague so if your blower is not blowing bad blower motor or a fuse if warm not getting cold your system has a leak if you have not broke the system you can try stop leak 2 cans to seal a leaky compressor compressor could be bad if it wont spin noisy clutch could be bad need new compressor but if a leak after stop leak add the right amount or r-134a 2 to 3 cans if the compressor kicks on on the first can of stop leak or freon your system did leak down and you hope the stop leak fixes it but first check all your lines are tight and that the freon is not leaking from the high or low pressure ports the valve can leak sometimes make sure your caps are on take some spit after you add freon back into your system see if your spit blows a bubble if it does replace or tighten the valve. a few things to check start with power fuses then add a can of freon if you have power now clutch engagement if you add and kicks on there is the reason a leaky system it will all leak back out in a day or several days... thats why you can add the stop leak things you can try or take it to the shop and pay someone some $$$$$

May 26, 2010 | 2003 Honda Accord

1 Answer

My 2008 F250 w/ auto air conditing will only blow hot air after the truck is out in the sun for a short time when it is cool in the morning it works fine..


YOU NEED TO ADD MORE FREON TO THE UNIT. SOUNDS LIKE IT NEEDS TOPPING OFF. YOU CAN BUY R-134A FREON IN A PACKAGE WITH A HOSE AT A PARTS STORE. DON'T KNOW HOW TO CHARGE THE UNIT , NO PROBLEM. OPEN HOOD, START TRUCK,TURN A/C TO MAX WITH BOTH DOORS OPEN RUNNING AT
NORMAL SPEED, NO REVING, THEN FIND A BLACK METAL PIPE
RUNNING FROM A SILVER DEVICE CALLED AN ACCUMULATOR.
THE PIPE WILL HAVE A CONNECTOR, JUST UNSCREW THE CAP
AND PLACE FREON HOSE WITH THE CAN CONNECTED TO IT AND
SECURE THE END OVER THE PORT VALVE. OPEN FREON VALVE ON THE CAN AND PLACE UPRIGHT AND LET IT SIT. WHILE INSTALLING THE FREON, FEEL THE VENTS BY THE DOORS OR
DASH TO SEE IF THEY ARE GETTING COLDER. WHEN THE VENTS ARE COLD YOU CAN TURN THE VALVE OFF ON THE FREON CAN
AND DISCONNECT IT FROM THE FITTING AND PLACE THE CAP
BACK ON THE VALVE. THAT'S ALL THERE IS TO IT. YOU CAN ASK THE PARTS STORE CLERK WHICH PORT IS FOR CHARGING THE UNIT IF YOUR UNSURE. THEY ALSO SELL R-134A FREON WITH A
SEALANT MIXED IN WITH THE CAN JUST IN CASE YOUR UNIT MAY HAVE A LEAK IN THE SYSTEM. REMEMBER, **NO REVING** NO
MATTER WHAT ANYONE SAYS. THE SYSTEM WILL NOT CHARGE FASTER. IF YOU WANT FASTER CHARGING THEN KEEP THE CAN WARM. FREON WORKS WITH AMBIENT TEMPERATURE WHICH
MEANS WARM DAY OR CAN IS FASTER THAN A COLD DAY AND
A COLD CAN. FREON MOVES FASTER WHEN HEATED.

Apr 10, 2010 | 2008 Ford F 250 Super Duty 4WD

2 Answers

Air conditioning blowing out warm air was blowing out cold air gradually over a week it became warm


The Air-conditioning needs to be re-gassed. Take the car to an Auto Mechanic to get the Air-Conditioning re-gassed. They might also need to check it for leaks to make sure the gas stays in.

Jul 13, 2009 | 2005 Chrysler 300

1 Answer

The ac only blows warm air, have recharged it with freon but it only cools minutes before blowing warm again, could find no leaks


There are special cans of R-134A with dye in them for detecting leaks. Most leaks occur around the fittings near the compressor. Recharge the system with the leak detector can or R-134A. There are also cans of R-134A with an additive to stop leaks. I would use these products to either detect your leak or to stop it. Best of luck.
Greg

May 24, 2009 | 2001 Jeep Cherokee

1 Answer

Freon leak in line lincoln continental 97


use 134A and you can put it in your self.. Just pay attention Only instal freon in the low side of your system.. low side is always the larger hose ... Got that ? larger .. small hose is high side is not not the place to put it in .. Find your largest air conditioner hose and follow it out till you find a port to put in freon .. which you can buy it and the hose at a walmart store..they do make a sealant also that will sometimes slow the loss of freon.. let me know if you need more.. jerry

Apr 26, 2009 | 1997 Lincoln Continental

1 Answer

Air Conditioning


#1 you will need r134a freon. #2 the low side service port is located right at the firewall where tha line goes to the evaporator. #3 if wou bought a can of 134a freon with a hose that will hook to it, it will work. all service fittings for 134a freon are the same even though the high side and the low side will always differ

Aug 18, 2008 | 1998 Oldsmobile Cutlass

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