When I come to a stop my car makes a rattling noise?

When I come to a stop my car makes a rattling noise?

Causes of Car Rattling Sounds When Stopped Loose heat shield: Many drivers find that the rattling sound is coming from a loose heat shield that surrounds the exhaust system. Lack of oil: Some have reported rattling noises when idling being caused by low engine oil levels.

Why does my car sound loud under the hood?

Bad Bearings If you’re hearing a constant knocking under the hood, it’s likely that you’re dealing with bad engine bearings. The bearings are what the moving parts of the engine sit on. When you’ve driven the car too far or too long, these bearings can wear out and start causing the under-the-hood knocking.

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.

Why do I hear a loud pop under my car?

If you suddenly hear a loud pop or bang in the engine area, pull over to the side of the road and check it out. Be on the lookout for smoke or fire, two things you should never see under the hood. Occasionally, especially in older vehicles, an engine backfire can actually reverberate through the air intake and blow a hole in your plastic air box.

Why does my car make a rattling noise when I idle?

It’s due to excessive heat, poor fuel delivery, and a bunch of other causes too. Spark knock usually happens at idle and smooths out when you’re driving, but the condition is still present. In fact, left untreated, this minor noise can cause your engine to fail badly.

Why does my car engine sound like it’s going to fall off?

If your car engine sounds like the bottom end is going to fall off, it’s probably engine rod knock. The noise you hear is like a ball peen hammer tapping on a steel plate repeatedly. What’s actually happening is measured in thousandths of an inch.