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Does AC really make that big of a dif with engine temp?
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=53405		 Page 1 of 1
Author:  Big Montana [ Tue Jun 08, 2010 10:02 pm ]
Post subject:  Does AC really make that big of a dif with engine temp?
I've been pretty sure my thermo is gone. It has been at one notch about 1/4 for months in Michigan winter. Now that it's warm here, I have been using AC. It will actually raise the temp to half way on the gauge. Does this seem right? If the AC is off, but I defrost in the morning or afternoon, the temp stays at the lower notch. It's only when I use AC.

I'm asking, because I'm wondering if there is anything else going on with the electric components that could raise the temp. I don't know enough about the switch that activated the AC, and I don't know enough about what turns on the viscuous heater.
Author:  stoutdog [ Wed Jun 09, 2010 1:04 am ]
Post subject:  Re: Does AC really make that big of a dif with engine temp?
Operating temps should always be at least 176*, regardless of external temperatures. Your tstat is blown.

Yes, using AC in the summer can raise the operating temp... but the problem still remains the same.
Author:  ac5501 [ Wed Jun 09, 2010 7:15 am ]
Post subject:  Re: Does AC really make that big of a dif with engine temp?
Big Montana wrote:
I've been pretty sure my thermo is gone. It has been at one notch about 1/4 for months in Michigan winter. Now that it's warm here, I have been using AC. It will actually raise the temp to half way on the gauge. Does this seem right? If the AC is off, but I defrost in the morning or afternoon, the temp stays at the lower notch. It's only when I use AC.


Thats pretty much been the behaviour of my temp gauge since I have owned the CRD. I always thought that was normal. Now I'm wondering about my TStat.
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