Why is my car engine rumbling

[Anthonyfrulp]

The main components of an engine include the cylinder block, cylinder head, pistons, connecting rods, crankshaft, valves, camshaft, and fuel injection system. Each component has a specific function and contributes to the overall performance of the engine.
Regular Maintenance:

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As a car mechanic, I work in many cars; I always notice that the car owner didn’t really care about the gas tank door. Even some car owners don’t use the gas tank door and use the gas tank door. But, you should always lock the gas tank and check the gas tank door every time when you fill-up the fuel in your car.
If you are certain someone put something in your gas tank to ruin your car engine, it’s time to call your car insurance agent.
The hardest part for me was the Crankshaft bolt: its very tightly screwed, a few hundreds PSIs. Youll need either a big lever and a way to lock the crankshaft in place, or an impact driver: a pneumatic one, electric impact drivers are just not strong enough. Easiest way to solve the problem: find a garage with a friendly mechanic who could loosen it for you, they have the tools, itll take them half a minute. Also, you’ll have to find out beforehand if it is reverse-threaded or not: just to make sure youre unscrewing the bolt and not tightening it! Finally if pulleys are still on the block, you may need a special pulley removal tool. Again, a mechanic can help you with that (these are not easy to find and can sometimes be ordered only by dealerships).
He also said that the company has about 12 brands of vehicles in the factory and Nigerians are patronising them well.
Photo: Chevrolet.