What Happens If There Is Excessive Engine Oil in the Vehicle

all about overfilled car engine oil

Apart from filling the petrol in the car, changing the engine oil is the most important task that keeps your car running smoothly. That said, vehicle owners often overfill the car engine with excessive engine oil. It’s a common mistake, however, if not addressed properly it can cause many problems including engine damage, reduced fuel economy and engine overheating, among others. Let’s go through the symptoms, causes and fixes of overfilled car engine oil in vehicles.

Dangers of Overfilling Engine Oil

Let’s go through the overfilled car engine causes and dangers
Overfilling engine oil has many dangers

To understand how overfilled car engine oil is dangerous let’s go through a little background.

Engines are made of different parts that work together to make the vehicle move. All these parts or components need proper lubrication for effective performance. Engine oil is used to lubricate the engine and decrease the friction between the moving components. Not changing the engine oil on time has an adverse effect on your vehicle’s performance. 

Too much engine oil symptoms include reduced fuel economy
Overfilling engine oil has many dangers

On the other hand, overfilling the engine with more than the required level of oil can also have a negative impact on the car engine. Too much oil increases the level in the oil pan, this results in the crankshaft getting in contact with oil, aerating it and creating a foamy substance that cannot lubricate the engine properly. Other dangers of an overfilled car engine include:

Engine damage: Excessive oil can put pressure on the engine, this can damage the bearings, seals, and other parts of the engine.

Reduced fuel economy: Overfilling your engine with oil can also reduce fuel economy by as much as 10%.

Engine overheating: Extra oil in the engine can prevent it from cooling properly, which can lead to overheating and damage.

Engine smoking: The extra oil can cause smoke out of the exhaust, which can be a sign of serious engine problems.

Tips to Avoid Overfilling Engine With Oil

Avoid overfilling your vehicle with excessive car engine oil
Filling more than the required amount of oil in the engine can affect the vehicle’s performance

If you think you have overfilled the car engine oil, check the oil levels immediately. If the oil level is above the “full” mark remove the overfilled engine oil. This can be done using an oil extractor or by simply draining the oil from the engine. Here is how to dispose of car oil without harming the environment.

After removing the excess oil, start the engine and check the oil level again. If the oil level is still above the “full” mark, remove more oil till it is within the required range. 

Let’s go through some tips to avoid overfilling the engine with oil:

Check engine oil level regularly: Use the dipstick to check the engine oil and remove excess oil if needed. Here is a step by step guide to read the oil dipstick.

Remove the overfilled engine oil for smooth vehicle performance
If the level of oil is over the “full” mark on the oil pan remove it

Use the correct type of oil: Make sure you are using the right type of engine oil recommended by your car’s manufacturer.

Don’t overfill the oil filter: When changing the oil filter, don’t overfill it. Doing so can cause oil to leak out.

Be careful when adding oil: When adding oil to the engine don’t overfill it. Add oil slowly and check the levels frequently to avoid overfilling. 

That is all about what happens with an overfilled car engine oil, the dangers of an overfilled engine and prevention tips. There are many benefits of routine oil change and is necessary for car maintenance. However, be careful about the amount of oil added in the engine.

Stay tuned to dubizzle’s top auto blog for more on car fluids, car parts, car repair tips and much more. 


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