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6.4L Power Stroke Diesel Engine fitted to 2008 - 2010 F250, F350 and F450 pickup trucks and F350 + Cab Chassis

AC / fan performance

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Old Jul 10, 2014 | 03:56 PM
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MikeRizz
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From: NH
AC / fan performance

My 2008 F-350 KR ( 6.4 ) seems to under perform in both the AC and the fan/blower. The AC takes forever to cool the truck down ( 90 degree day in NH ) and the blower even on the highest setting leaves a lot to be desired. Is this a known issue? I do have a Ford premium ESP so I may take it to the dealer. I am guessing the AC needs a charge but the fan I am stumped on.
 
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Old Jul 10, 2014 | 08:47 PM
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pstroke67
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Originally Posted by MikeRizz
My 2008 F-350 KR ( 6.4 ) seems to under perform in both the AC and the fan/blower. The AC takes forever to cool the truck down ( 90 degree day in NH ) and the blower even on the highest setting leaves a lot to be desired. Is this a known issue? I do have a Ford premium ESP so I may take it to the dealer. I am guessing the AC needs a charge but the fan I am stumped on.
If you live in a dusty climate and do not use the recirculation option on ac what possibly happen is the evap core is restricted with dirt from using air from outside instead of recirculating inside air which will lead to less air flow from vents and can also effect temp that comes out of vents your esp might or might not cover due to considered abuse since the recirculation option is not being used in dusty climate even if you have the auto ac you would still have to manually choose recirculation option or it will use outside air
 
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