Cars are intricate machines that rely on a series of chemical and mechanical processes to work properly. When things go wrong with one of those processes, your car can start to make some strange ...

We may receive a commission on purchases made from links. Car engines derive power from thousands of miniature explosions contained within their cylinders every minute. We quickly become accustomed to ...

A car engine is a piece of heavy machinery, and it isn’t surprising for it to make all kinds of sounds. The rotating shafts, the moving pistons and valves, the combustion process, and other engine ...

Q My car has begun to make a ticking noise from the engine when I first start it, and sometimes the noise continues for almost the whole time I drive it. Does this mean I need a valve job? I ve always ...

My engine has developed a strange ticking sound. Its whisper-quiet before an oil change, and then makes a loud tapping after a new filter and fresh oil. This cycle has been going on for about 20,000 ...

Any diesel engine can be a bit noisy; that’s just the way they work. But if a new noise has surfaced, then something has definitely changed under the bonnet. First thoughts would be a hydraulic lash ...

As vehicles age, regular motor oil alone isn’t always enough to keep their engines running smoothly. Parts don’t fit as tightly as they used to, leading to noise and reduced power. Bearings wear down, ...