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AC/Heater fan noise and vibration - Mercury Cars & Trucks

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  • Mercury Master
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Faulty blower motor bearing

Posted on Nov 01, 2012

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 2003 Acura TL - heater fan making noise

There are many reasons:

1. Oil smell means your motor is burnt.
OR
2. Check the connections to the motor.
3. Check the coolant.
4. Check the inlet and outlet pipes.
5. Check the fuses.
6. Check the transmitter of the motor.

Posted on Mar 16, 2009

wavoconqueso
  • 57 Answers

SOURCE: VIbration in AC/HEATER fan

I've had mice in my Nissan PU and actually caught one in a trap set on the floorboard; so I know they can get inside. They also knocked some of the fiberglass insulation into the blower motor so it vibrated as it was no longer balanced. You could have a dead one in your blower. Mine was easily accessible from under the passenger side under the dash. Three screws and the motor dropped so I could clean out the fiberglass.

Posted on May 09, 2009

kayzack519
  • 226 Answers

SOURCE: Clicking noise in AC/Heater unit. Doesn't do in

the motor that opens the vent is stuck. Put in it fresh air mode. the vent should be on the pass side behind the glove box. Take off the glove box and disconnect the motor and replcae it. Or the cheap way is to not use that mode

Posted on Dec 06, 2009

  • 518 Answers

SOURCE: 2005 Sienna AC Heater fan is very noisy

the fan may be loose on its drive shaft and catching the housing

Posted on Jul 07, 2010

emissionwiz
  • 75807 Answers

SOURCE: How do you Remove the heater/AC Fan on a 1999 Toyota 4Runner

Yes it can. Removal is outlined at this link

Posted on Jun 08, 2012

Testimonial: "The video was perfect!! I removed the fan and it had a 'mouse' home in it!! No mouse....just the home!! Thank You, Dennis!!"

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2001 rav4 making vibrating noises and smells of dead animal when I turn the heater/ac on


What you should do is to remove the heater blower motor, it's located directly below the glove box, there are three screws that need to be removed and the electrical connector, usually rodents get trapped in the fan, this is what causes the vibration, the fan is out of balance because the dead animal is in there, not a pleasant task but I have seen this may times

Apr 10, 2014 | 2001 Toyota RAV4

1 Answer

Replace heater blower motor


working in there is no easy task,
why not put pressure on all the HVAC parts in cab, one by one
as it makes noise, to see if the sound changes.
its the blower bad
or there is debris stuck in it.
or there is a loose part near by that vibrates in sympathy to the fan vib's , some times one can put a wedge in the parts casings and stop noise.

the HVAC is like 8 hour, in +out. horrid job. and lots of things can get busted doing it. collateral damage.


login to alldata.com

and read the FSM , chapter HVAC.

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either fan motor is going out ar broken fan wheel, or possibly loose fan motor.

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2005 Sienna AC Heater fan is very noisy


the fan may be loose on its drive shaft and catching the housing

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98 Saturn SL2, AC/Heater Clicking


You need to replace the heater/AC blower motor the motor shaft bearing is defective..

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Honda accrod 04 ex..Blower Motor..A/c Fan


You probably hit one of the veins on the squirrel cage, mounted on the fan motor. You might be able to take the fan out and straighten these, to get the vibration out, if not you'll have to replace the whole fan. Good luck. I hope you can straighten it and don't have to replace.

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Air condition fan noise !1


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VIbration in AC/HEATER fan


I've had mice in my Nissan PU and actually caught one in a trap set on the floorboard; so I know they can get inside. They also knocked some of the fiberglass insulation into the blower motor so it vibrated as it was no longer balanced. You could have a dead one in your blower. Mine was easily accessible from under the passenger side under the dash. Three screws and the motor dropped so I could clean out the fiberglass.

May 07, 2009 | 2003 Nissan Altima

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