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Fan Blowing?

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Old Jan 17, 2007 | 03:55 PM
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Fan Blowing?

I have noticed over the past couple months that until my truck heats up to NOT in the morning, that when on the accelerator the heater blows harder. Is this normal? Is it related to the fan?

Thanks,
 
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Old Jan 17, 2007 | 04:09 PM
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From: Ardenvoir, Washington
It kinda sounds like your batteries or alternator are getting weak or you have dirty or bad connections on your batteries.. I would check the charging volts on the batteries with a volt meter.. At a idle, the voltage should be around 14.7 volts.
 
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Old Jan 17, 2007 | 04:15 PM
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brand new batteries. 85K miles
 
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Old Jan 17, 2007 | 04:19 PM
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From: White Mnt's,New Hampshire
ive noticed this the last couple days...its been below 0 for the 1st time this year so i thought that was why...
 
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Old Jan 17, 2007 | 08:46 PM
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Originally Posted by ron's power stoke
ive noticed this the last couple days...its been below 0 for the 1st time this year so i thought that was why...
Has anyone else noticed this. It happens to me whenever the temps are below 35 ish.

I am on a stock DP setting when this happens and it is consistent through all tunes.
 
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Old Jan 17, 2007 | 11:44 PM
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Originally Posted by shenders99
Has anyone else noticed this. It happens to me whenever the temps are below 35 ish.

I am on a stock DP setting when this happens and it is consistent through all tunes.
Guys i've noticed this as well. I wasn't sure why either just knew that when its cold, truck sounded like a dragon and was sucking in a lot of air and pushing it through the heater when it's on.

Maybe someone will jump on and explain this to all of us.
 
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Old Jan 18, 2007 | 12:56 PM
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No experts on this one?

No one knows what this is, or why the trucks do it? Like these guys are saying seems cold temperature related, is this part of the cold weather package?
 
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Old Jan 18, 2007 | 01:04 PM
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I am at a loss, we have totally stumped the 7.3L forum.

This deserves a sticky! Atleast till some one comes along with an answer!
 
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