Question about 2008 Chrysler Town & Country

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My AC isn't blowing cold. Where is the valve to recharge the system myself?

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  • Chrysler Master
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The large tube coming out of firewall passenger side under hood. It's the cold line. Fitting is larger than high pressure side.

Posted on Sep 24, 2009

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Air conditioner isn't blowing out cold air


might need to be recharged and might have a leak in the system. take it and get it checked

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Condensers rarely clog. What it could be is that when it was recharged, air got into the system and may have to be bled out and fill the rest of the way with freon.

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Are you sure that is the problem?? Other things can cause this. Have the pressures checked first to see if the charge has leaked out, then you must find the leak. Also you have R12 in this system, R12 is no longer produced so you must covert the system to the newer R134 refrigerant, this takes a special kit being installed. So I guess the answer here is not you can't do this at home. The whole job will run about $1000.00

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AC will blow cold air for a few minutes then start blowing hot air, cut the engine and start it again and blow cold air for a few minutes then start blowing hot air again. Just filled up the freon and the...


you have moisture in the system this causes your expancion valve to freeze up an stop working, thats why it works for sort time and when it de-freezes stars working again. you need to do a EVAC & RECHARGE with a good AC service equipment, specially attention to pull vacumm por at least 20minutes so you get all moisture out of the system.
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Jun 05, 2011 | 2002 Hyundai Santa Fe

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It doesnt blow cold air.Just been regassed...


If it wasn't blowing cold air before and after the recharge, it could be the thermo expansion valve.

The AC system is a sealed system. So if it is low on refrigerant it means you have a leak somewhere in the system. If there is no leak and you added refrigerant the system, it is probably overcharged.

Im assuming that the compressor kicks on. If it didn't you wouldn't have been able to charge the system.

Oct 01, 2010 | 2004 Honda Accord

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Air conditioner blower stopped working on 2004


If the blower works but its just not blowing cold air, its possible to recharge the AC system yourself. Most auto parts stores carry AC recharge kits. Instructions to recharge the AC are belowl

RECHARGING AC SYSTEM

1.Turn the truck on and turn AC on HIGH
2.Locate the low side AC line (will have a valve and cap similar to the cap on a tire)
3.Insert the oil or R-134A can to the hose (Do not turn the screw to puncture the can yet)
4.Insert the other end of the refill hose to the low side valve
5.Puncture the R-134A can with the screw on the refill hose
6.You should feel the system suction the refrigerant out of the can
7.Check for frost on the AC lines and the air blowing inside the truck
8.If frost develops and the air is cold, you've successfully recharged the system and disconnect the refill hose. DO NOT ADD MORE REFRIGERANT...overcharging the system will damage your compressor and will be less effective


Best of luck and enjoy your vacation.
Greg

Hopefully this answers your question and you're able to get your AC working again. Best of luck.

Jul 29, 2009 | 2004 Honda Accord

1 Answer

I need to retrofit and recharge my 1988 Dodge Ram Ac.


First, the old R-12 must be completely evacuated fromt the system. R-12 and R-134A do not mix and won't function together. Once you are sure there's no R-12 left in the system, you need to install an R-134A fill valve on the low side AC line. This is where your refill hose will connect to add R-134A. Once the valve is in place you're ready to fill the system. The compressor requires a minimum of 20psi to engage and should not be filled to more than 45psi.

RECHARGING AC SYSTEM

1.Turn the truck on and turn AC on HIGH
2.Locate the low side AC line (will have a valve and cap similar to the cap on a tire)
3.Insert the oil or R-134A can to the hose (Do not turn the screw to puncture the can yet)
4.Insert the other end of the refill hose to the low side valve
5.Puncture the R-134A can with the screw on the refill hose
6.You should feel the system suction the refrigerant out of the can
7.Check for frost on the AC lines and the air blowing inside the truck
8.If frost develops and the air is cold, you've successfully recharged the system and disconnect the refill hose. DO NOT ADD MORE REFRIGERANT...overcharging the system will damage your compressor and will be less effective
Hopefully this answers your question and you're able to get your AC working again. Best of luck.

Jul 21, 2009 | Dodge Ram 150 Cars & Trucks

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AC has stopped blowing cold air. Compressor is working. Where is the recharge valve located?


There are two A/C refrigerant lines. The small line is your high pressure line and the larger line is your low pressure line.
Start at the fire wall and follow the "large " low pressure line to the compressor. The low pressure charge port will be some where on that line.
DO NOT try to recharge on the high pressure side ( small line )
Good luck, let me know.
Regards,

Apr 26, 2009 | 2001 Saturn L-Series

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How do I recharge the a/c on my 95 jeep GC?


If the AC is not blowing cold air anymore, then yes, recharging will help. However, the AC system is a sealed system and should never need recharging. So if it does need recharging, then there is a leak in the system somewhere that has to be fixed first. It can be a little pricy, so be sure to call around for quotes.

Jul 11, 2008 | 1995 Jeep Grand Cherokee

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