Q: Car overheating and squealing.

asked by on

My car is overheating and making a squealing noise.

Overheating can be caused by a number of things. Usually when you start noticing the temperature go up it is because there is not enough coolant in the system to cool the engine down. As the temperature goes up, much like boiling water in a pot, it tends to rise and come out of the overflow bottle. If the bottle is close to the belt, it will fall on the belt and saturate it. Coolant is slightly oily so that it lubricates seals in the system. Once this oily coolant falls on the belt it will cause it to slip on the pulleys, which in turn makes that noise. Determining the cause of overheating is usually done via a visual inspection. A technician might use a pressure tester to check for leaks. Inspecting the fans and proper thermostat operation is also something that I recommend be done by a technician.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Car overheating and squealing.

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: I have a whining squealing noise coming from somewhere in my pulley system and serpentine belt.

If the noise changed when the battery was replaced, I would first suspect the alternator. Sometimes, when a bearing/bushing starts to go bad it will only make noise with the belt installed, as the tension can cause pressure to be...

Q: How much money am i looking at spending?

The good news is, as long as there is no damage to the frame (or sub-frame) of your car, or the mounting stubs for the strut, control arms and so forth, what you are describing typically requires fairly mundane repairs....

Q: Car turns but doesn't crank

There are many things that can cause a no start condition. If your timing belt broke, for example the engine on your vehicle is an interference engine, meaning it hits itself internally when the timing belt breaks. This usually bends...

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...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...