Skip the auto shop - Our mechanics make house calls

Q: Belts squeaking and air coming out hot

asked by on

The air in my vehicle starts coming out hot when I idle. I can also hear a squeaking noise around the belt area.

Depending on where the blend door in your air conditioning system is set will determine the temperature of the air coming through regardless of ambient temperature. The linkage could be jammed or broken keeping the air coming from your vents coming out hot. A squealing noise coming from the belt area could be caused from a failed serpentine belt tensioner keeping incorrect tension on the belt causing it to make such a noise. The noise could also be caused by one or more of the pulleys in the belt system with a burned or failing bearing. Also dirt, corrosion, and rust can build up in the grooves of the belt and the pulleys and this can cause a belt system too make unwanted noise. I would recommend having a mechanic come inspect the hot air that is coming out of your vehicle and the squeaking noise from your belt area.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  1. Home
  2. Questions
  3. Belts squeaking and air coming out hot

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Power window issues

The motor for the window is most likely bad. There are some gears within the motor gear itself that are made of plastic. When the window gets any resistance the motor gears can strip out and cause the windows to...

Q: Battery isnt charging while driving?

It sounds like you may have a failing voltage regulator or failing alternator. As you may know, the alternator charges the battery while the engine runs by generating amperage and recharging the battery while the engine turns the alternator pulley....

Q: Brakes make squeaking sound

The brake pads on most vehicles are metallic type brake pads, and these may exhibit a metal grinding sound that may be normal. The brake pad could also be worn to make the same sound. The best recommendation is to...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...