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Air Condition
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=88&t=63625		 Page 1 of 1
Author:  mandie7312 [ Fri Nov 11, 2011 6:02 pm ]
Post subject:  Air Condition
Hi, i just put a rock krawler lift on my 2010 KK and now my air conditioning and heat wont work. Any ideas why? :(
Author:  lfhoward [ Fri Nov 11, 2011 6:09 pm ]
Post subject:  Re: Air Condition
Maybe you have a loose vacuum line somewhere? Maybe one came loose when you installed the front springs? The air conditioning and heat vents are controlled by vacuum pressure.
Author:  mandie7312 [ Fri Nov 11, 2011 6:26 pm ]
Post subject:  Re: Air Condition
lfhoward wrote:
Maybe you have a loose vacuum line somewhere? Maybe one came loose when you installed the front springs? The air conditioning and heat vents are controlled by vacuum pressure.


thanks ill check the lines tonight :D
Author:  mandie7312 [ Sat Nov 12, 2011 4:27 am ]
Post subject:  Re: Air Condition
hey i looked and i didnt see the vacuum lines can someone tell me where they would be? thanks
Author:  lfhoward [ Sat Nov 12, 2011 9:34 am ]
Post subject:  Re: Air Condition
When you say that the heat and AC don't work, what exactly happens? Does the compressor turn on but the fan doesn't, or is it blowing out the wrong vents, or is there no response at all? The vacuum line thing I thought of before would cause the air to blow out the wrong vents - this happened to me on my Cherokee and the air came out the defroster no matter what setting I had it on. If the fan doesn't run or if there is no response at all, then you may have a different problem. Are there any other weird symptoms that started at the same time? If your temp & compass is non-functional along with the HVAC, I'd bet it's fuse #M34 (see p. 441 of your owners manual).
Author:  mandie7312 [ Sat Nov 12, 2011 12:07 pm ]
Post subject:  Re: Air Condition
We checked the fuses theyre all fine. And yes the compressor turns on i belive but nothing comes out i think the fan motor might be dead. And no other synptoms came along with it
Author:  lfhoward [ Sat Nov 12, 2011 5:10 pm ]
Post subject:  Re: Air Condition
Hmmm. I don't know why the fan would suddenly quit because of working on the suspension. Maybe it is just a coincidence and the two are actually unrelated? Sorry it's happening, in any event. If you have a way to test the switch, or to make sure the blower motor is getting power, that would be the next thing I'd check. It is easier to troubleshoot the switch than the fan. In my old XJ there was also a component that modulated the fan speed called the blower motor resistor. If this was dead, then your fan would only work on one speed. After that, I'm out of ideas. Is it still under warranty?
Author:  mandie7312 [ Sun Nov 13, 2011 10:43 am ]
Post subject:  Re: Air Condition
yeah it is under warrenty so im just gonna take it to jeep to get it fixed. I thought doing the lift would void my warrenty completely but they told me that its still covered
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