24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps
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something wrong with my ac

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  #1  
Old 08-19-2009, 08:24 PM
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Default something wrong with my ac

my ac werked in the winter went to use it in the summer and dont work wana try and fix it myself i turn it on and just get hot air dont hear the compressoer turn on the clicking noise and idle change while idling would apprectiate it alot if you guys could help thanx Andy
 
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Old 08-19-2009, 08:28 PM
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if it is low on freion it wount click and come on probaly has a small leak charge it and put dye in it so you can find the leak
 
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Old 08-19-2009, 08:33 PM
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right on
 
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Old 08-19-2009, 08:34 PM
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Originally Posted by sidekick
if it is low on freion it wount click and come on probaly has a small leak charge it and put dye in it so you can find the leak
X2
 
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Old 08-19-2009, 10:52 PM
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did you check the relay? Oh, and mine generally werks in the winter too
 
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Old 08-20-2009, 06:18 PM
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Check the line running next to your air intake. Some aftermarket ones will rub a hole through the line after they have been on for a LONG time. Atleast a year. My AFE rubbed a hole through my line. It took almost two years but it did it ! Of course maybe i put it on wrong but i dont think i could of Wrapped the hole in tape and covered it all with jb weld. Works great again!!!!!
 
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Old 08-20-2009, 08:24 PM
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ill have to check all these things this weekend how do i check the relay to make sure it turn on and off ??
 
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Old 08-20-2009, 08:34 PM
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Unplug the wire going to the compressor and check for voltage with the a/c on.If the freon is really low locate the low pressure switch on the low pressure side of the system jumper wire LP switch and recheck for voltage.If you have voltage the relay is Ok.
The easier way is to just jump the Low pressure switch and see if the compressor clutch engages.
 
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Old 09-11-2009, 02:33 PM
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You can go to WalMart and get the recharger for the AC. It comes with a hose. You will probably need 2 of the big bottles. Mine quit blowing cold and I filled it up. Works great now.
 
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Old 10-01-2009, 09:28 PM
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Alll in all, if you are unsure of the A/C circuit, take it to a shop. There are a lot of things that can go wrong. Everything form a fuse, low charge, or a clogged Evaporator. I had a clogged Evaporator, and it requires the removal of the dash, and heater/A/C box to remove and clean. Dodge quotes 12Hrs. for this job, I did it with help in 9. Dedication and PRIDE will get it done.
 
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