Skip the auto shop - Our mechanics make house calls

Q: Whisting noise when increasing or decreasing speed

asked by on

I mostly drive the car on the highway and I've noticed a whistling sound that comes from under the hood. I can hear it both when I accelerate and decelerate. The dash isn't showing any lights on. What could be making this whistling and buzzing noise?

A: There is a tensioner pulley that keeps the ...

There is a tensioner pulley that keeps the correct amount of tension on your serpentine belt. When these bearings wear out, they can cause this type of a whistling sound that you describe. This is a quick fix and should not take much time with the proper tools. I would recommend having an expert from YourMechanic come to your home to diagnose and repair the car noise to ensure that this is resolved properly.

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!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: I think timing - 2001 Honda Civic

Hi there. Assuming your friend replaced the crankshaft position sensor for a no-start condition or fault code stored, that should not have caused an extended crank or scraping noise unless the sensor was improperly installed. The cause may be unrelated...

Q: Ticking noise coming from throttle body area.

There are a lot of moving components that could make that noise. Improper valves can make that noise but I feel like you may have a lifter that is partially plugged, preventing normal oil pressure from fully pumping out the...

Q: Took out ignition

A good battery will be the first step in diagnosing the issue. Then a parasitic draw test needs to be completed to see if there is an issue with a draw that may be draining the battery. If a draw...

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...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...