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Fan motor noisy then quit working - 2000 GMC Sonoma Extended Cab

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Replace fan motor

Posted on Sep 12, 2009


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Weak blower motor

Check good voltage and ground for blower motor. Actuators under the dash may be restricting air flow? High speed doesn't usually use a resister.
Check for hvac trouble codes, in my part of the country, some of the national brand autostores will check codes for free, if there are any.
If you think problem with blower motor, itself, replace it. Sometimes, you can remove blower motor, use jumper wires for voltage and ground, using inline fuse, come off the battery, see if it blows like you think it should?

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Motor is seized but power is trying to turn motor and that is what causing winning noise

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How can I fix My 2006 Honda pilots noisy Ac fan .

You have one of two problems causing a noisy heater fan. The bearing in the fan motor is getting bad or something has fallen down into the heater box ( napkin/paper) and compromising the spinning of the fan cage. You will have to remove the fan assembly and inspect for foreign debris and/or bad fan motor bearing

Sep 06, 2015 | 2006 Honda Pilot

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Air Conditioner fan problem. AC fan very noisy and doesn't blow with full power

bushing in motor is probably shot,or some critter put it's nest in there ,either way the motor has to come out.

Jan 11, 2012 | 2003 Chevrolet Malibu

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I cannot find the blower motor resistor, there is no black box under the hood on the passengers side and its not under the dash? the blower was working fine then started making a lot of noise and quit, the...

Heater motor Resistors are usually built into the heater motor housing, plastic box under dash, if its a right hand drive it will be under the left hand side if its a left hand drive it will be under the right hand side. When you say the motor tested ok how did you test it, resistors are not noisy when they fail. The resistor only controls the speeds of the blower motor/fan and when they fail they usually only fail on one circuit so the blower usually still works on either slow or fast speeds.

Feb 05, 2011 | Hyundai Motor 2005 XG350

1 Answer

Where is the heater fan/motor located?

Up under dash behind glove box. easier to see if you remove glove box, or at least empty it and move tabs over and let it hang down. Curious, it obviously quit, or is very noisy? Has resistor been checked to make sure that's not the problem first? Wires from motor are attached to resistor up under where left foot would be on passenger side. Housing under motor to come off first then you will see the motor. If you need more info, let me know. I just did mine a couple of months ago.

Feb 02, 2011 | 1999 Dodge Caravan

1 Answer

Fan is making a sound now when i turn it on. A/C or not, it blows out fine air but it is noisy and sounds like a fan is broken or something.

It sounds like you may have a fan motor problem. It may also be a fan relay --it is kind of like a fuse but different. If it is the relay, that is usually a cheaper part but it depends on where it is located to see how much it will cost t repair or how difficult it would be for you to fix it yourself. You can call the dealer and ask how much it would be to replace the blower motor and or the fan control relay and describe your problem. It may not be ridiculous. These motors and relays fail on many types of cars so it is not an unusual thing. It may work noisily for quite some time before it fully fails.

I hope this helps! God bless!

Jun 25, 2010 | 2001 Mitsubishi Galant

1 Answer

405 GLD Cooling Fan

Hmm, perhaps it is time for a noisy solution.

Get a 30 amp relay and wire the fans via directly to the battery via that relay. Of course, disconnecting them from where that are wired into the vehicle now.

For the fan control to the relay, wire something that is (+) when the ignition is in the 'run' position.

This, of course, is the quick n dirty fix. While this will work, you have an always on, noisy solution, and it will take quite some time for your vehicle to warm up in the winter time.

Just an idea should you not be able to correct the factory wiring, of which I have no idea.

Best of luck,

Mar 04, 2009 | 1991 Peugeot 405

2 Answers

Heater/ac only works on high...and on high it's extreamly noisy

sounds like relay to me but what blew it, most likely dry bearings on blower motor causing your noise clean oil fan motor install relay

Dec 27, 2008 | 1996 Chevrolet K1500

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