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| Air Conditioning stuck in HEAT mode! http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=61355 |
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| Author: | jrcstudios [ Thu Jun 23, 2011 1:38 pm ] |
| Post subject: | Air Conditioning stuck in HEAT mode! |
I have a May of 2005 CRD Jeep. I just got home from a 400 mile trip to central Florida and back. Absolutely no problems until I got 100 feet from being home. I am not happy that it is broke, yet very happy it waited! The A/C suddenly went to heat mode! It was very sudden, as if I turned the knob all the way to heat. The compressor is still running, responding to the A/C on-off button. The refrigerant lines under the hood are cold as expected. The Jeep is not running hot. I suspect that whatever the hot to cool knob controls is malfunctioning, but don't know what that is. Is it a flapper door hidden deep in the dash, or is it a radiator coolent valve? I have seen both types on other cars. I didn't see any fuses that seemed to correspond with this, but checked the ones that had to do with heat, fan, and A/C. Any advise, please? |
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| Author: | WolverineFW [ Thu Jun 23, 2011 11:29 pm ] |
| Post subject: | Re: Air Conditioning stuck in HEAT mode! |
Blend door failed towards heat? |
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| Author: | jrcstudios [ Fri Jun 24, 2011 6:36 am ] |
| Post subject: | Re: Air Conditioning stuck in HEAT mode! |
WolverineFW wrote: Blend door failed towards heat? yea, that was one of my guesses.. its location? electrical or vacuum? |
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| Author: | Billwill [ Fri Jun 24, 2011 2:08 pm ] |
| Post subject: | Re: Air Conditioning stuck in HEAT mode! |
jrcstudios wrote: WolverineFW wrote: Blend door failed towards heat? yea, that was one of my guesses.. its location? electrical or vacuum? Do a search here on "Blend door"....there have been quite a few questions raised regarding the blend door operation. 
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| Author: | WolverineFW [ Sat Jun 25, 2011 6:11 pm ] |
| Post subject: | Re: Air Conditioning stuck in HEAT mode! |
jrcstudios wrote: WolverineFW wrote: Blend door failed towards heat? yea, that was one of my guesses.. its location? electrical or vacuum? You have Sir Sam's Noob Guide linked in your signature. Download the service manual. Shoud have the answers you seek. |
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