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2

If you bought the car new, I would highly recommend following the service schedule while you are still under warranty. Furthermore, you will likely void the warranty if you don't have the services performed at the specified intervals. If the services are free, you should definitely do them, they will extend the life of your vehicle at no cost to you. If ...


1

An MOT in the UK will test these things. For more details on how they test your car, see here. Your car will either get a pass or a fail for each one. If get a fail in any one of the categories, that will constitute a fail overall. They are not required to do any work on the car, not even adjust the tire pressure or replace a bulb. Some might be kind to ...


1

The real answer is- it depends. An extra couple of quarts? Probably no real effect. If you put in enough that the crank is sloshing the oil around, you probably will get a foam of oil all around the underside of the pistons, but besides robbing a bunch of horsepower due to windage and maybe causing some oil burning issues (at a certain point your oil rings ...


1

It's not good. The little oil you have left will overheat & degrade as others have explained better. With your oil level really low like that, as long as the engine isn't overheating yet, you might be able to get the car to lug itself 5 or 10 miles to a shop to get more oil w/out problems, but it's already really pretty harsh on the car Basically, your ...


5

With way too much engine oil in the engine, the problem is that the crankshaft can hit the oil in the bottom of the crankcase when the engine is running. Since the crankshaft is spinning fast, even at idle, each time it slaps the surface of the oil, it will create some bubbles in the oil as the air just behind the spinning crankshaft lobe gets dragged under ...


3

If an engine is that full, it will pump oil through the PCV system into the intake manifold. Piston rings, even in a fresh engine, always have at least a minimal amount of blow-by from combustion. Normally these combustion products pressurize the crankcase slightly and then vent through the PCV (Positive Crankcase Ventilation) system into the intake. ...


1

Without oil to lubricate, metal on metal surfaces begin to heat up from friction. The extra heat causes the metal to expand. When it expands enough, some part of the engine will try to stop moving, but the other parts may not stop yet because of momentum or power, causing bends and breaks of internal engine parts. When oil is too low, the oil pump might ...


4

I can answer this because it has happened to me a few times. There are several different possibilities depending on the ambient temperature and how old the engine is. Here are three real scenarios that have happened with my 1996 Volvo 850: (1) When the oil gets low the first thing you might notice is more noise. Oil muffles the engine, so when oil gets low ...


1

Gap between cylinder and engine core is really really small. This gap is filled with oil under normal circumstances, allowing cylinder to "slide" in its container. When you run out of oil, friction between cylinder and its container increases a lot, causing high wear. When car runs without oil, friction between cylinder and its container generates a lot of ...


2

The engine will likely seize up. This happened to me with a lawnmower once. I tried to mow the lawn after dad drained the oil, but before he filled it. It ran for a few minutes, then stopped as if the blade had hit something hard, but without the sound of the blade hitting something. We got very lucky, and were able to start it up after adding oil and ...


5

Disclaimer: I work with an older 202 straight 6 Holden engine in a landrover, so my perspective is somewhat vintage. However the basic underlying concepts are the same. Cause: Low oil in the oil pan, at the very bottom of the engine. Normally the oil should read right on the Full line on a dipstick, when the vehicle is level and the motor is cold and has ...


3

The entire lubrication system for the engine fails, leading to scratching of the cylinders and the barrels, after which point they dont run smoothly and degrade much faster. the pistons are made of aluminium and the cylinders have a special tough glassy coating so they screatch very easily and when the engine is too hot the aluminium deforms and heats in a ...


35

Engine oil does much more for an engine than lubricate. It provides cooling, cleaning, and a bunch of other chores. You already know engine function is degraded when you run out of oil. Let's see if we can run it down to make more sense for you how it happens. Let's say, for lack of argument, your engine is running with very little to no oil. The engine ...


10

In most engines, when you fill the oil, it drains into a reservoir on the bottom of the engine known as the oil pan. The tube for the dipstick goes right down into this reservoir to measure the level of the oil. The other important item located in this reservoir is the pick-up tube for the oil pump. As long as the pick-up tube for the pump stays under the ...



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