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I was traveling in the rain with the defroster on when the airflow from the vents stopped. There was no flow, regardless of the fan speed. I changed the setting to the dash vents and the air started blowing again,eventually. When I returned the switch to the defroster setting the flow stopped again. I decided that the ac core must be freezing and blocking the flow of air. I've never experienced this before. During my troubleshooting I also determined that the AC clutch was engaged when the selector was on the floor vent, which as far as I can tell is not supposed to be the case. Anyone else had either of these problems.

Author:	Andy [ Mon Aug 14, 2006 4:29 pm ]
Post subject:	AC Problems
I was traveling in the rain with the defroster on when the airflow from the vents stopped. There was no flow, regardless of the fan speed. I changed the setting to the dash vents and the air started blowing again,eventually. When I returned the switch to the defroster setting the flow stopped again. I decided that the ac core must be freezing and blocking the flow of air. I've never experienced this before. During my troubleshooting I also determined that the AC clutch was engaged when the selector was on the floor vent, which as far as I can tell is not supposed to be the case. Anyone else had either of these problems.

Author:	CaKJFreedom [ Thu Aug 17, 2006 6:28 pm ]
Post subject:
I'm gong to move this into general discussion where you'll have a better chance of getting a response. Good luck.

Author:	FreedomKJ [ Thu Aug 17, 2006 8:10 pm ]
Post subject:	Re: AC Problems
Andy wrote: I was traveling in the rain with the defroster on when the airflow from the vents stopped. There was no flow, regardless of the fan speed. I changed the setting to the dash vents and the air started blowing again,eventually. When I returned the switch to the defroster setting the flow stopped again. I decided that the ac core must be freezing and blocking the flow of air. I've never experienced this before. During my troubleshooting I also determined that the AC clutch was engaged when the selector was on the floor vent, which as far as I can tell is not supposed to be the case. Anyone else had either of these problems. If to '06 has the same control panel that the '05s do (and mine after the dealer replaced the defective original) then it shouldn't matter what position the vent selector is in, the A/C clutch should be controlled by the A/C button (looks like a snowflake.) The exception to this is in defrost mode when the compressor will run regardless of the a/c switch setting. Sounds to me like you have a vacuum hose problem, as the vents are controlled by vacuum actuators.

Author:	Andy [ Fri Aug 18, 2006 4:40 pm ]
Post subject:
The jeep's currently at the dealer. there is a bad mixing door, part ordered, and some as yet unidentified electrical problems.

Author:	Bullet [ Wed Aug 23, 2006 5:55 pm ]
Post subject:
yikes!! let us know how it turns out.

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Author:	MikeD0106 [ Thu Aug 24, 2006 3:25 am ]
Post subject:
I have never had any air come out of the front vents while the defroster is on. It's always been the vents by the windshield & front side windows and also the floor (when selected). It also always seems to function fine when I use it. Is there something I'm missing here? Or did I maybe read your post wrong?

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