Question about 2005 Chrysler 300

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

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More than likely you are low on refrigerant. You may have a major leak or a minor leak. if you have a minor leak you may be able to fix this yourself. You will need a Recharge Hose and Gauge kit (about $20) a couple cans of R134A freon (about $8 each) and a can of A/C Stop Leak (about $12). You can buy these from Walmart or AutoZone. Helpful if you also have a car vent thermometer about $4 from AutoZone.

Follow the instructions on the refill kit. Read it a couple times. It's not hard. Just follow the instructions.

Attach a can of freon to the guage and connect the adapter to the suction side of the AC system. The connector on the guage will only attach to the suction connection. Make sure your connections are tight. Start the engine. Turn the air conditioner on high. Hold the freon can above the connection and slow open the valve on the can. Watch the guage per the instructions. Even if your compressor is not kicking in this should add enough freon to allow the compressor to run. If you are low on freon still - now add the stop leak just like you did the freon. This should take care of really small holes. Add another can of freon, etc until the system is charged. You can check before and after temps with the thermometer and A/C on and off temps as well.

If you got a bad leak, then the system won't hold the freon and you are going to have to get a freon can with dye in it. That will tell you where the leak is. Fix the leak and do the above again.

YouTube has some videos of people doing this if you want to watch someone else first.

Cool driving to you.

Posted on Jan 03, 2015

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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.

Posted on Jul 26, 2009

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Posted on Jan 02, 2017

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