Vent

2011 GMC TERRAIN
75,000 MILES • 3.0L • V6 • FWD • AUTOMATIC
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MI.MAN
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Changed the mode door actuator because of a buzzing noise when you depressed the defroster button. Now I cannot get any air out of the floor vents where I did before I changed the actuator, all other modes are working as usual. I have tried a different actuator same problem and have tried several different ways of calibrating the system no change. I am open for any suggestions.

Thanks
Mar 26, 2017 at 2:33 PM
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HMAC300
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pull HVAC fuse out for 60 seconds inside truck you need to do that when you replace an actuator so they reset. do it with key on then reinstall.
Mar 26, 2017 at 4:21 PM
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MI.MAN
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Thanks for the quick reply. I did find the problem one of the cam door levers was dislocated. Once I got it on location the system worked perfect.
Again thanks for your response.
Mar 26, 2017 at 5:33 PM
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STRAILER
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Glad you could get it fixed please use 2CarPros.com anytime we are here to help

Best, Ken
Mar 29, 2017 at 12:06 PM