What does it mean when your engine makes a rattling noise?

What does it mean when your engine makes a rattling noise?

Detonation, Pre-ignition (Pinging) Noise Most people call this a pinging or rattling sound. This noise is caused by an air/fuel mixture in the engine cylinder being ignited prematurely by the heat of compression as the piston is moving up on the compression stroke.

What causes a rattling noise when accelerating?

If you hear a pinging or rattling sound when accelerating, low-octane fuel could be the cause. Pinging (also called pre-ignition or detonation) can also be the result of carbon deposits, a bad knock sensor, overheating or incorrect ignition timing.

What makes a rattling sound?

Rattle is a sound made by a series of sharp sounds such as chains clanging on metal or a musical instrument or baby’s toy that makes noise when it is shaken. An example of a rattle is the sound made as dishes are unloaded from a dishwasher.

What does rod bearing failure sound like?

Listen for a knocking noise that sounds more like striking tin or aluminum and increases as the vehicle accelerates. It is probably a faulty rod bearing. If your car is experiencing any of these symptoms, take it to a qualified professional immediately.

Where does the rattling sound come from in a car?

Q: Rattling sound coming from front drivers side wheel well. When driving at slow speeds over bumpy terrain, there is a metallic rattling sound coming from the front driver’s side wheel well. This noise can best be hear at low speeds and only happens when driving over a pothole or bumpy terrain. My car has 18500 miles.

Why does my car make a metallic noise?

The sound appears to be some sort of metallic vibration rattling noise coming from somewhere under the front bonnet of my car, and it tends to sound when the car is idling or travelling at low speeds (approximately 20mph or less).

What should I do if my garbage disposal is making a rattling noise?

If that does not work, you can try using an allen wrench at the bottom of your garbage disposal and moving the nut back and forth to move the masher plate that can dislodge any stuck object. But if even that does not work, your last resort is to completely remove the garbage disposal, open it up, and manually remove all hard objects inside it.

Why does my steering make a rattling noise?

Rattling noises in the wheel wells usually come from a few specific areas. Let’s run down the possibilities. Your vehicle has many interconnected components in its suspension system. There are springs, struts or shock absorbers, sway bars and links that are attached to one another. Your steering system is also integrated into the front suspension.