Question about 2003 Honda Pilot

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When I turn on the air conditoner or heater the fan motor makes a loud humming sound

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  • Honda Master
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Replace the blower motor and resister it is ur speeds and when blower is resisting it will load it down and make it go out shortley

Posted on Jul 04, 2009

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Posted on Jan 02, 2017

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Air conditioner making loud noise


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Hello there:
Normally on these heater motors they can get really loud when the fan gets a lot of buildup on them which causes the fan to make a lot of noise and also it will make the bearings in the heater motor to wear out What i recommend you do is to first try to remove the heater blower cover it inside of the vehical and see if the fan has a lot of dirt anddebris around it if it does clean it out next if the fan is clean go to the heater motor and try to feel and listen to the motor and see if it is very hot if it is chances are that the bearings are getting worn which would lead to you replacing the heater motor ok
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AC fan won't run . No air coming out at all. Also heater won't run.


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The heater (fan) makes a loud noise.


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Air conditiner 91 camry


Thank you allowing me to provide my assistance.

Is the noise that you hear a loud "humming" nosie? If so, I need you to remove the lower panel, under the glove box, (if it has one), and remove the 3 screws that hoilds the heater fan to the plastic box. After removing the fan, inspect the fan and inside the box for debris. Most likely, you will find some type of debris contained in the fan blades. This is very common, I drop 2-3 fan motors a week around this time of year. You may also find a rodent nest in the fan area.

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