Risks of Overfilling Your Vehicle's Engine Oil

 

Overfilling the engine oil can cause a range of issues that can damage your car's engine and lead to costly repairs. When too much oil is added, it can create air pockets in the oil, which prevents it from properly lubricating the engine components. This can cause increased wear and tear, decreased power, and reduced efficiency of the engine. 

Some potential problems of overfilling engine oil include:

Engine Damage

In extreme cases, overfilling can lead to severe engine damage. The excess engine oil can interfere with the crankshaft's rotation, leading to increased friction, heat, and potential engine failure.

Aeration And Foaming

Overfilled oil can cause the crankshaft to whip the oil into a froth, leading to aeration and foaming. This reduces the oil's ability to lubricate and cool the engine components effectively.

Increased Oil Pressure

Overfilling can raise the oil pressure inside the engine, which can damage oil seals and gaskets, leading to leaks. 

Oil Leaks

High oil levels can force excess oil past the piston rings and into the combustion chamber. This can result in oil burning, fouled spark plugs, and increased emissions. Oil may also leak from seals and gaskets, causing a mess and potentially damaging other engine components.

Reduced Engine Performance

Overfilled oil can cause increased resistance in the rotating components, leading to decreased engine performance and fuel efficiency.

Damage To Seals And Gaskets

Overfilling may cause excessive pressure on engine seals and gaskets, leading to leaks and potential engine damage.

Read the full blog "What Happens If You Overfill Your Vehicle With Engine Oil? How To Fix It?".