For many motorists, it is no secret that for an internal combustion engine it is very important that the oil level is correct. Neither less nor more than the norm. Together with the right type of product and the quality of the fluid, this is the key to long-term engine operation.

That is, excess oil for the engine is as bad as a lack of it. And maybe even worse. In this case, MasterMilo wanted not only to clearly show the process of engine damage due to overfilling, but also to establish why this happens.
Overfilling oil in the engine – consequences
So, the blogger poured about 10 liters of oil into the engine, that is, almost twice as much as it should have been (but first he completely drained the old fluid). After that, he started the unit. For a few seconds, the engine seemed to run normally, but then strange sounds began to come from it, and after a while the motor stalled. The reason is a hydraulic shock.

In his experiment, the Dutchman also explains how this hydraulic shock occurs. First, excess oil is carried into the intake channel through the crankcase ventilation channel, after which the fluid reaches the inside of the cylinders and begins to accumulate there. After several operating cycles, the oil volume becomes critically large. Well, since oil can no longer be compressed, as it is in a liquid state, the same physical effect of hydraulic shock occurs as if the car had driven at full speed into a deep puddle.
MasterMilo started the engine but did not move. For this reason, the hydraulic shock was not fatal for the engine, but nevertheless undesirable. However, if the car had gone on its way, the experiment would definitely have resulted in expensive engine repairs. And maybe even irreversible consequences.








