07 heater only blows threw the defrost vents. - Ford Powerstroke Diesel Forum
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Old 12-30-2008, 07:28 AM
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07 heater only blows threw the defrost vents.

hello

I own a 07 f350 6.0L. Last summer the EGR cooler and EGR went and I had the mecanic weld up the new EGR cooler and not replace the EGR. i live in northern canada and my heater will not blow to the floor or out the dash vents no matter what setting the control is on it will only come out the defrost vents. Im not to sure if the EGR mod is the problem just thought I would throw the info in there. My feet are freezing please help and thanks in advance.
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Old 12-30-2008, 07:48 AM
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Originally Posted by bouch_59 View Post
hello

I own a 07 f350 6.0L. Last summer the EGR cooler and EGR went and I had the mecanic weld up the new EGR cooler and not replace the EGR. i live in northern canada and my heater will not blow to the floor or out the dash vents no matter what setting the control is on it will only come out the defrost vents. Im not to sure if the EGR mod is the problem just thought I would throw the info in there. My feet are freezing please help and thanks in advance.
hope this helps
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Old 12-30-2008, 08:13 AM
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sounds like you have a vacuum leak, possibly knocked something loose when doing the egr
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Old 12-30-2008, 08:14 AM
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A Vacuum line maybe? I'm pretty sure the flaps are moved by vacuum redirected by how the switch is set.

Any of that messed with during the EGR work?

Just a thought.
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Old 12-30-2008, 12:42 PM
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I know that most cars air controls default to the defrost if there is a vacuum problem, not sure on the Ford trucks tho....I would be looking for a vacuum leak as the others stated
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Old 12-31-2008, 05:19 PM
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Originally Posted by Heartbeatracing View Post
I know that most cars air controls default to the defrost if there is a vacuum problem, not sure on the Ford trucks tho....I would be looking for a vacuum leak as the others stated
All though I don't know which one it is, it's a fuse. Had it happen on a 2000 f-350 PSD.
Bob
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Old 12-31-2008, 05:41 PM
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I would have to go with vacuum also I test drove a truck before I got mine and it did the same thing had them fix it before I bought it and they said it was a vacuum leak, then found mine and didn't buy there truck oh well
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Old 12-31-2008, 07:50 PM
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i have a 05 psd lariat with climate control and mine did the same thing the dealer had to replace a fan sensorand that did it
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