What Causes Tapping Noise in Car Engine?

A tapping noise in your car engine can be a sign of a serious problem. It’s important to get it checked out by a mechanic as soon as possible to avoid further damage.

Causes of Tapping Noise in Car Engine

Worn or loose valves: Valves are responsible for opening and closing the combustion chambers in your engine. When they become worn or loose, they can cause a tapping noise.
Worn or damaged lifters: Lifters are responsible for pushing the valves open and closed. When they become worn or damaged, they can cause a tapping noise.
Worn or damaged camshaft: The camshaft is responsible for controlling the opening and closing of the valves. When it becomes worn or damaged, it can cause a tapping noise.
Worn or damaged timing chain or belt: The timing chain or belt is responsible for synchronizing the movement of the camshaft and crankshaft. When it becomes worn or damaged, it can cause a tapping noise.
Low oil pressure: Low oil pressure can cause the components in your engine to rub against each other, which can cause a tapping noise.
Carbon buildup: Carbon buildup on the valves or pistons can cause a tapping noise.

Symptoms of Tapping Noise in Car Engine

A tapping noise that increases with engine speed
A tapping noise that is loudest when the engine is cold
A tapping noise that is accompanied by a loss of power
A tapping noise that is accompanied by a rough idle

What to Do If You Hear a Tapping Noise in Your Car Engine

If you hear a tapping noise in your car engine, it’s important to get it checked out by a mechanic as soon as possible. The mechanic will be able to diagnose the cause of the noise and recommend the appropriate repair.