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Old 10-01-2009, 07:02 AM
B3000 B3000 is offline
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Join Date: Oct 2009
Posts: 5
Default Noise from my AC/Heater Fan!

I turn on the fan for my Heater/AC in my 2002 Mazda B3000, I hear a noise that sounds like something loose. The higher I turn the fan the louder the noise. It kind of sounds like a leaf leaf or something caught in the fan. The noise sounds like its coming from around the glove box around the passenger dash. What will I need to remove to get inside and see if something is caught in there? What other problem could it be?
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Old 10-01-2009, 08:01 AM
rwenzing rwenzing is offline
Some assembly required...
Join Date: Jun 2009
Posts: 921

If your truck has cruise, start by removing the single screw that holds the speed control module to the passenger side inner fender and set it aside. Then remove the blower fan from the HVAC plenum which is on the PS firewall. There are 3 or 4 screws and an electrical connector to remove from the blower. Once the blower is out of the way, clean out the leaves and twigs and use Lysol or similar if there is any mold/mildew inside the plenum. Reassemble. That usually takes care of it.
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fan, heater, mazda, noise

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