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Old 10-11-2018, 04:33 PM   #1
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'08 Focus vent/blend door jamming

I am finding very little of this issue, mainly because it seems to only apply to the first year of the Second Generation Focus. But I have an issue where if I leave the HVAC in Face/Dash vents only for an extended period of time, it becomes jammed requiring me to stick my foot or hand up up, and hit the side of the box housing the vent doors hard while changing vent mode settings to unjam it.

No the Motor/Actuator isn't burnt out like I initially thought, because after removing the motor, it worked fine, but I couldn't move the doors by hand using the lever.

I can leave it on any other setting and it's fine. (So I opt to keep it on floor and face vent mode)

Does anyone know of a good fix for this? I wonder if the plastic disc attached to the motor that moves the blend doors from a later model would fix this issue? or is the issue internal to the air box?


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Old 10-25-2018, 01:46 PM   #2
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I believe it's the same for all the 2008-2011 models. My sister has this exact problem on her 2010. It was stuck on the floor vents, so she hit the box while changing to front vents and it worked.

Gonna probably take it off and look at whats jamming it. Maybe a bad or stripped gear, or a leaf stuck in there.
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Old 12-07-2018, 08:55 PM   #3
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The blend door has a nasty rubber gasket that becomes very very sticky after a few years. My 2006 had same problem. I actually broke 2 of the actuator cables from the manual control to the air box. The initial fix for me was to drive with the temp control on all the way to hot and fan on high until the sticky gasket softened and then move the direction control to where I wanted the air flow. Mine got really bad so I removed stereo to get at the air box. I then used a Dremel tool to cut 2- 2"x3" slots out. Then I could reach in and get to the air direction flap and clean up the nasty gasket as good as I could. I then used HVAC foil tape to wrap the edges of the air vane to encase the leftover gasket material. I then used two layers of foil tape to cover the holes I made in the duct. It's worked perfect for 2 years now and no problems.
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