HVAC not venting to correct zone - Ford Powerstroke Diesel Forum

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post #1 of 4 Old 09-25-2013, 04:22 PM Thread Starter
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HVAC not venting to correct zone

What could cause this? I set it to vent out at the feet and it blows out the windshield vents. Even when I try both I barely get anything out of the foot zone.

Could the flaps that direct flow be stuck?

Any way to troubleshoot this?

09 F350 SRW- H&S Mini Maxx with KEM 7 tune card, AFE 4" dpf/doc delete, AFE PG7 drop in soon to be S&B CAI, and some other exterior/interior work

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post #2 of 4 Old 09-30-2013, 11:08 AM
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I had the same problem....The blend doors are not opening or closing all the way. Warranty fix for me.

2010 Ford F-250 Super Duty, Lariet 4x4, Crew Cab Short Bed, loaded with every option...and more


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post #3 of 4 Old 09-30-2013, 11:47 AM
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Vacuum leak is the culprit on the older trucks 90% of the time.

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post #4 of 4 Old 09-30-2013, 07:13 PM
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Quote:
Originally Posted by turbo kidd View Post
I had the same problem....The blend doors are not opening or closing all the way. Warranty fix for me.
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x2 for me

2008 F350 6.4 4x4 DRW CC 4:10 King Ranch Job3
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