Why does my car make noise when I start the engine?

Why does my car make noise when I start the engine?

At first the oil viscosity may be just enough to fill gaps, but if bearings/crankshaft/camshaft tolerance is getting bigger (even within “normal” worn values), as soon as the oil gets even slightly thinner, noise will start to get more evident.

Why does my car make a hissing noise when I shut it down?

Hissing/Sizzling If you hear a sizzling or popping sound immediately after shutting down the engine, there could be a leak. Either oil or coolant is leaking onto a hot engine component. You might see the leak on the exhaust manifold, or it could be harder to find.

What does a bad starter sound like in a car?

When you hear the starter turning the engine and the motor refuses to start, you might be dealing with a different problem altogether like bad or fouled-up spark plugs, faulty fuel pump, not enough oil pressure inside the engine, dirty or bad fuel injectors, or probably a dirty throttle body. What Does A Bad Starter Sound Like?

What kind of noise does a diesel engine make?

A few months ago, I began to hear a noise that sounds similar to a diesel engine, which begins a few seconds after starting the cold engine. Once warmed up, or as soon as driving or revving, the noise goes away completely. An M4A sound file is linked under What

Why does my car make noise when I Turn on the engine?

Here are some other engine sound issues to be investigated: The Symptom: Whirring from the engine that gets worse as engine speed increases, or any noise that increases or decreases with engine rpm. Possible Cause: Low power steering fluid.

Why is a hot engine hard to start?

Most of the reasons by which a hot engine would be hard to start are based on problems related to the fuel. When the engine is too hot, fuel can’t circulate properly due to the way in which vapor obstructs it and therefore the engine wouldn’t start as easily as it should or it wouldn’t start at all. Continue reading below Our Video of the Day

Why do I hear a ticking sound in my engine?

Rod knock could be the possible reason for a major engine issue. When the bearing connected to the rod wears off or gets damaged, the rod knocks around the crankshaft and creates a metal-to-metal sound. You will hear a rhythmic, loud ticking noise in engine when acceleratin g.

What should I do if I hear an engine noise?

Whatever noise you are hearing, it’s vital to have it diagnosed immediately. Otherwise, the problem could lead to irreversible engine damage. Luckily it is often enough with smaller repairs when you experience any engine noise. If the engine becomes damaged beyond repair, you are going to need a replacement.