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A/c won't hold freon - 2002 Dodge Grand Caravan

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  • Dodge Master
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Ifr-R134A does not stay in system, then there must be a leak somewhere in system. Fill it with some die and refrigerant and go @ it with a black light. . . . . Finding/fixing AC leaks sucks.

Posted on Jul 30, 2010

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Posted on Jan 02, 2017

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1 Answer

Charging air conditioner


Please explain.
You can't add freon ?
The freon won't stay in the system ?
You know the engine and the compressor has to be running to add freon, right ?

Sep 04, 2012 | 2002 Hyundai Accent

1 Answer

A/C and heating core


The leaking heater core won't keep the compressor from working.
You say the ac system is charged, but the compressor won't come on ??
The compressor has to run to charge the system, otherwise you will only get half a can of freon to go in. The system holds 3 or 4 cans when empty.
The low pressure switch has to be jumped to make the compressor run to take the first two cans of freon.

Jul 03, 2012 | Chevrolet Cars & Trucks

1 Answer

Air conditioning blows hot one side and cool on other


Had a similar problem. It was in a 2001 Bonneville (GM product also) and it did NOT have dual climate control. Believe it or not, it just needed the freon topped off. Apparently, some evaporation coil designs allow the freon to evaporate too quickly on one side if the freon pressure us low. Then the other side of the coil is warm and that side of the car blows warm. Try adding some. It won't hurt as long as it is not overpressurized. And that won't happen with the cans you buy at the store.

Apr 18, 2012 | 2004 GMC Yukon

2 Answers

Ac won't get cold anymore power to compressor but won't click on clutch won't engage possible problems are compressor or evaporator what do you think?


Has the Freon been checked with a gauge to see if there is enough Freon to allow the system to work. Low or no Freon will not allow the compressor to engage. The low pressure switch is most likely activated due to low freon, and will cause this condition.

Aug 19, 2011 | 2001 Jeep Grand Cherokee

1 Answer

If i am changing out a ac compressor at home. after i am done replacing it what is the best thing to do to recharge the system. i dont have a ac recovery machine an dont have the money to bring it to a...


Well, If you want to do the job correctly, you need to properly recover the freon and then evacuate the system before recharging. Failure to do so is ILLEGAL for the recovery part. EPA laws forbid knowingly releasing freon into the atmosphere. There are some hefty fines to pay if the authorities were to find out. Not to mention that I really don't appreciate people who knowingly and willingly pollute the air that I breath. - take that as you will.

For the evacuation part, failure to properly evacuate your system before recharging will leave moisture in the system that can destroy your new compressor. If that happens, you won't be saving any money!The air that is left in the system will take up room in the system that is needed for a proper freon charge and can adversely affect how well your system cools when you are finished.

Here is a possible alternative. Take it to a shop just for recovery and evacuation. The labor charges will not be that much. In fact, some shops will do the recovery for free if you tell them they can just keep any freon that is recovered. You need to do a recovery to remove the freon from the system anyway so nothing blows up in your face when you disconnect system components. Then you can return to the shop after replacing the compressor and drier fo an evacuation. This is a good idea also because the system can be checked for leaks by evacuating and seing if the system holds vacuum. That way you won't be wasting any freon dumping it into a leaking system.
Then you can recharge the system yourself using one of the kits available at your local parts store.

Aug 18, 2011 | 2000 Saturn SL

1 Answer

I'm trying to put freon in my car and it won't take it... What can the problem be?


To put freon in the system,the vehicle has to be running and turn the ac to max. it may take 5 minutes or so per can . if it still won't take it ,the valve where you are refilling could be bad or after you put the hose on the can of freon you have to unscrew the t handle screw that is used to puncture the can to release the freon through the hose.

Jul 25, 2011 | Jeep Cherokee Cars & Trucks

1 Answer

A/c won't work; mechanic checked it and put freon in it and works for 1 day and next day blows hot


Your A/C has a very bad leak. That leak will need to be found and repaired for your A/C to hold its charge for more than a day. You can try to find the leak your self. If you watched him add the freon it is very easy now days. Add more, and use a liquid soap and pour a bit on each connection and around the areas where metal ends meet the rubber hoses. Look in front of the radiator at the A/C condenser coil for rock or road debris damage. Other wise take to your mechanic and have him find, fix and recharge the system. Hope this helps Fix Ya up.

Jun 18, 2011 | 2001 Hyundai Elantra

1 Answer

Air condition compressor won;t kick in


Most likely a loss of refrigerant ( freon ) in the system. The A/C compressor uses a low pressure switch as a SAFETY to insure it wont turn on without freon in the system. Hope this helps.

May 18, 2009 | 1999 Chevrolet Lumina

2 Answers

Air conditioning problem


sounds like not enough freon or orfas valve is clogged. but most likely it is low on freon

May 05, 2009 | 2000 Oldsmobile Bravada

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