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Heat blower noise

Tiny
CORBWMS
  • MEMBER
  • 2000 TOYOTA TACOMA
  • 6 CYL
  • 4WD
  • AUTOMATIC
Squealing noise that sounds like a seezed motor somewhere. Goes away when I shut off the heat/ac blower. Also getting an burnt electrical smell. Blower came on today with no issue tho. Any ideas.
Tuesday, January 11th, 2011 AT 3:10 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
If the noise is withing dash, it could be from the fan motor. The bushing for the armature inside the motor is bad and would intermittently emit squealing noises. Have the motor checked.
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Tuesday, January 11th, 2011 AT 3:28 PM
Tiny
CORBWMS
  • MEMBER
  • 2 POSTS
The noise sounds more like a siren. Its extreamly loud. But goes of as soon as I shut the blower off.
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Tuesday, January 11th, 2011 AT 3:31 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
I believe the blower fan motor is failing or you have something caught inside the blower housing. Remove the blower motor to test/check.
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Tuesday, January 11th, 2011 AT 4:03 PM

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