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Old 16 Feb 2008, 11:01 pm
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Default Acura MDX HVAC Noise?

I was changing Cabin filter for my 2001 MDX, I noticed noise coming from small unit attached to coil unit where you change the filter, it has green plug, I disconnected that plug and noises stopped, I pluged it back and that noise came back ON, even when AC is OFF, does anyone know what this unit is? its the first unit on the left from cabin filter, someone said, its the blower, but when I disconnected the Plug AC and heater were working fine, so I don't think its the blower, please help?
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Old 16 Feb 2008, 11:46 pm
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Rule of thumb. Dont unplug anything you dont know what it is. It IS your blower motor and there is an acura service bulletin (04-037) on it. It's very possible that is what it is. the noise is usually caused by debris getting into the blower unit and blower motor. (dont put stuff on your dash) It can be cleaned but due to the year of your vehicle, i'd guess the blower may need replacing and will require 2 new seals. Plug it back in before you take it in and dont tell them you disconned it! If your out of warranty, it may be covered under "good will". BUT NOT if you've been messing with it. Go in, tell them you have "been hearing a noise from the front blower, like a buzzing, and heard that there is a bulletin on it." FYI its NOT an easy fix, it is time consuming & costly, & wouldnt recommend self fixing. (PS. if thats what they determine it is & they wont good will it call Acura's customer relations. You can get it from & they'll help you with the dealer.)
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