I overfilled my car's engine with engine oil, can that harm my engine?
I felt obligated to answer this because I saw many answers I did not agree with. Being ASE certified in the category of engine repair and engine performance, I can tell you why overfilling your car with oil is very bad and can damage the bearings in the engine. The rule of thumb is not to fill more than 1/2 quart over the specified capacity.As we know with Pascal’s law, a liquid cannot be compressed, but it can be pressurized. Your oil pump pressurizes the oil to be sent to various places inside the engine; this pressurized oil is squirted through small holes in the bearings where the crankshaft and camshafts ride on oil pressure and do not make direct contact with your bearings. This greatly reduces friction and the load is supported solely by the pressure of the moving fluid. This is why each car has a recommended oil weight and viscosity by the vehicle's manufacturer based on bearing clearance.If your oil is filled up enough to where the crankshaft can dip into the oil it will cause aeration in the oil. This turns the oil into a foam with pockets of air and as we all know a gas CAN be compressed. This aerated oil goes into your oil pump and the oil pump compresses the air effectively reducing oil pressure in the engine. This can lead to main bearing damage, rod bearing damage, cylinder wall scoring, camshaft journal damage to name a few and can lead to catastrophic engine failure, in a worst case scenario.Most vehicles have an oil dipstick, on the dipstick you will notice a minimum and a maximum fill range. The distance between these marks is usually one quart of oil. You can tell how much your vehicle is overfilled based on this distance.Edit: I wanted to thank you all for the views and upvotes but also I wanted to add some more information.On the 2nd generation Prius, if the engine oil is overfilled by more than a half quart, the PCV system will suck the excess oil through the throttle body and stall the engine. We have seen some come back on a flatbed after quick lube changed the oil. Once you drain the oil a little the engine will be able to run again.
What are some slang terms used among police officers?
The most derogatory terms for the bad guys and citizens who are just pains in the rectum:A.H. = Adam Henry (A-dam H-enry) If you don’t get it…..sometimes you will hear it as “Jack Hole”…..now what starts with an “A” that ends with HOLE ?RICHARD CRANIUM= What starts with a “D” and is a nickname for Richard ? What is the non-medical layman’s term for the Cranium ? Do these clues HEAD you in the right direction ?