Why is my exhaust squealing?

If you’re hearing a squealing sound from under the hood, chances are very good that it’s a belt slipping on the pulley. If your exhaust is damaged or a support has come loose, it’s possible that it could make a rattling sound during operation (particularly noticeable while idling and when accelerating).

Why does it squeak when I accelerate?

If you hear a chirping or squealing noise when you accelerate, it usually means a belt is loose and slipping or the drive pulley for an accessory has become misaligned.

Why is my engine bay squeaking?

Although there are a few causes of a squealing engine, one of the most common is a bad or failing serpentine belt. The serpentine belt – or drive belt, as its also known – plays a vital role in the engine. If your vehicle squeals when braking, on the other hand, that’s most likely a brake issue, rather than a belt.

Why is my car squeaking under the hood?

The sound of a loud squeak or squeal coming from under the hood of your car is often due to slippage of a worn or damaged accessory belt, according to Angie’s List. If this is the case, the squeaking may be caused by an aging belt, such as the serpentine belt, becoming loose and losing traction.

Why does my exhaust make a rattle noise?

What Causes a Muffler to Rattle? A loose bracket, rubber hanger or connector, or one that is badly corroded, can allow a muffler to rattle as the exhaust pipe bangs against another part of your vehicle when you accelerate or drive on bumpy roads, or even when you first start the car and it’s stationary and idling.

What causes an exhaust to rattle?

If you hear rattling under the car it could mean that the exhaust system has become misaligned. If you can hear a loud metallic vibration, it usually means that something is touching the exhaust pipe or that a clamp, support bracket or mounting is loose. Hangers and brackets hold your exhaust in place.