Why does my car sound like a belt?
Your engine belts make a screech or squeal noise usually because the rubber belt is slipping on the metal pulley and just like your tires spinning on the road, this causes noise. The belt may be slipping due to improper tension or because it simply has gotten old and the surface has become glazed, cracked or brittle.
What does a timing belt problem sound like?
A failing bad timing belt sounds like a ticking noise in front of your car when it starts wearing out. If the belt eventually breaks, it will give a whining noise when trying to start the engine. A whining noise sounds like no compression in the engine.
Why does my Highlander belt make a cracking noise?
Over time, the noise that your Highlander’s belt makes will likely change. As the belt ages, it will develop cracks because of the directional vibrations that go through it. The pulleys that turn the belt will also move due to engine vibrations.
Why does my Toyota Highlander make a whining noise?
If your Highlander’s stereo is making a whining noise, it is usually caused by a condition known as “alternator whine”. Alternator whine is a product of a drop in voltage between the radio and the alternator itself. It is usually way more noticeable on the A.M band of the radio. You’ll hear it match the acceleration of the vehicle.
How does the timing belt work on a Highlander?
Your Highlander’s timing belt has tiny holes in it, just like the holes in the belt that you wear. Teeth enter the grooves and exit as the belt turns, and each time a tooth enters or exits the belt, the moving air pressure creates a noise.
Why does my Toyota engine make noise at idle?
Thats the quickest way to find out if its inside or outside the timing covers. I thought Toyota’s recommended timing belt service interval was at 60K miles for our vehicles. If that’s the case, the OP/TS is all but due for this service which would most likely find and eliminate the the noise they are reporting.