why does my car make squealing noises only with the heater on?

Asked by toyota2007 Feb 15, 2012 at 03:52 PM about the 2007 Toyota Yaris S Sedan

Question type: Maintenance & Repair

Whenever  I turn my heater on I hear a squeal, and it does it only while the heat is on. I had a couple incidents where as soon as I would turn on my car it would make a very loud squeal for about 15 seconds, which happened 3 times in the past 2 months. I am really concerned about my heating system, i looked at the belt and it seemed to be in good condition.

Also, my brakes make a grinding noise only when I use them the first time I start my car. I just got new brakes and rotors in August, so they should be fine. But I am still worried with the sound I hear once in a while. Its hard for me because I dont have any car garages I can trust to look at my car and give me an honest answer and not mess everything up on purpose. Is there any ideas of what these problems could be?

2 Answers
70

rafferty answered 12 years ago

I am thinking that the Blower Motor has a bad bearing. No fix, just have to replace it. Your brakes should not grind after just replacing them-do you trust the shop that did it? I would take it back to them and have them check for the noise.

7 people found this helpful.
Mark helpful
90

petersparsons answered 9 years ago

the squeeling is usually the cause of a worn out drive belt. or tentioner on the drive belt that runs the altinator.... were the rotors replaced when the brakes were done? if not the edge of the rotor has rust on it ... and believe it or not the edge rusts just enough over night that the rust conects on the edge of the brake caliper mounting bracket.. until movement of the rotor wears it down .. at which point it stops grinding ..

3 people found this helpful.
Mark helpful

Your Answer:

Related Questions

Shortcuts

Search Toyota Yaris Questions

CarGurus Experts

  • #1
    Charlsie Riley
    Reputation
    730
  • #2
    Jerry VanSickle Jr.
    Reputation
    310
  • #3
    Sharon Tombari
    Reputation
    300
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Toyota Corolla
122 Great Deals out of 1,994 listings starting at $2,795
Used Honda Civic
176 Great Deals out of 3,690 listings starting at $1,995
Used Honda Fit
10 Great Deals out of 226 listings starting at $3,995
Used Toyota Camry
48 Great Deals out of 979 listings starting at $2,212
Used Toyota RAV4
100 Great Deals out of 2,089 listings starting at $3,888
Used Toyota Matrix
3 Great Deals out of 133 listings starting at $3,995
Used Toyota Prius
10 Great Deals out of 139 listings starting at $3,499
Used Mazda MAZDA3
73 Great Deals out of 1,498 listings starting at $2,495
Used Honda Accord
43 Great Deals out of 907 listings starting at $1,599
Used Toyota 4Runner
12 Great Deals out of 309 listings starting at $9,700
Used Toyota Tacoma
57 Great Deals out of 1,080 listings starting at $8,708
Used Nissan Versa
11 Great Deals out of 459 listings starting at $4,499
Used Honda CR-V
99 Great Deals out of 3,843 listings starting at $1,795

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.