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I’m not sure if this is a common issue and I’m kind of at a loss as to how to how I’d even google this which is why I’m turning to the forums here. So I’ve got a 2002 Suzuki XL-7 Limited 4WD and I’m having a minor issue with my HVAC system. I’ve got a push-button selector for my air vents (front vents, feet vents, defroster, etc) and it seems like when I select any particular vent, there’s still air coming out of the vents that should be closed off. Like if I have it selected to just be on the defroster, I can still feel some air coming out of the front vents. It’s not full-force, but it’s noticeable. I’m not even entirely sure how this whole system functions. Anyone got any ideas on where I’d even start looking? Thanks in advance for any suggestions.
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It sounds like the actuator is working, it just isn’t working correctly. Try disconnecting the battery or pulling the hvac fuse for a few minutes. This will recalibrate the vent actuator. If that doesn’t work, you might have a binding door or bad seal. At this point you’re going to have to decide whether it’s enough of an inconvenience that it would be worth taking the dash apart.
There could be trash blocking it. the blend doors are plastic, and sometimes the pin part at the top or bottom that acts like a hinge can snap off, causing it to flop around instead of solid movements. I had a field mouse crawl into my HVAC & expire. That blocked it, but I lived with it until I ran the system, then I had to remove the dash & bleach all the vent tubes. That was a yucky smell!
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