Lariat Climate Control: Fan speed always high - Ford Powerstroke Diesel Forum

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post #1 of 7 Old 02-11-2014, 07:31 AM Thread Starter
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Lariat Climate Control: Fan speed always high

Just purchased a 2005 F350 lariat 6.0. Been working on resolving the little bugs with it and one of them is the fan speed is always on high when the climate control is on. The AC needs to be refilled since the head studs were just done so its not hooked up. Could that have anything to do with it? Also It would appear my shift on the fly 4x4 is not working either. Could I have a vacuum leak somewhere? Anyone else had this issue? Where should I start?
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post #2 of 7 Old 02-11-2014, 07:37 AM
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SOTF 4x4 issues are well documented on the forum.

as for the fan speed, mine ended up being a controller module on the back of the fan in the engine bay.

GD - 06 CCSB FX4 Lariat

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It's Toren. .. don't question it ..
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post #3 of 7 Old 02-12-2014, 05:57 AM Thread Starter
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SOTF 4x4 issues are well documented on the forum.

as for the fan speed, mine ended up being a controller module on the back of the fan in the engine bay.
The controller module for the climate control fan is in the engine bay?
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post #4 of 7 Old 02-12-2014, 06:37 AM
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post #5 of 7 Old 02-17-2014, 07:22 AM Thread Starter
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Nice. Ill try that when I get some time and report back
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post #6 of 7 Old 02-25-2014, 05:44 AM Thread Starter
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Turns out since I have the lariat, i have digital climate control, which uses a Blower fan controller as opposed to a resistor.

Of course, a new controller is $80 as opposed to a new resistor which is $10. Anyone know if there is a good way to tell if mine is truly bad before i shell out $80 for nothing? I took it out the other day and took a few pictures:




I didnt see any broken solder or connections or anything like that
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post #7 of 7 Old 02-25-2014, 07:37 AM
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haha, sucks but if it helps at all replacing it did fix mine.

I even bought a new dash control before I spent the 80. So dont make that mistake.

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