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Because the oil becomes contaminated with moisture, sludge, and unburnt fuel. Simply put the oil gets dirty. Just as important is to change the filter every time you change the oil and always buy a quality filter.

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13y ago

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Related Questions

Why does the oil in an engine need to be changed at regular intervals?

Engine oil needs to be changed at regular intervals to ensure optimal engine performance and longevity. Over time, oil breaks down due to heat, oxidation, and contamination from dirt and debris, losing its lubricating properties. This degradation can lead to increased friction, wear on engine components, and potential damage. Regular oil changes help maintain proper lubrication, reduce engine wear, and improve overall efficiency.


What is the best place to get your motor oil changed?

There are many mechanic stores and garages where a person can get motor oil changed for a vehicle. An example of a place where motor can be changed is Midas.


What motor oil is best regular or synthetic?

The best motor oil for you car depends on the car. Many old cars can only handle regular motor oil.


Can you go from regular motor oil to synthetic oil in a 2006 Toyota Highlander?

Yes, you can switch from regular motor oil to synthetic oil in a 2006 Toyota Highlander without any issues. Synthetic oil can provide better protection, improved performance, and longer intervals between oil changes compared to conventional oil. Just ensure you use the viscosity and specifications recommended in the owner's manual. It's a good idea to change the oil filter as well when making the switch.


What is Oil ammount and viscosity for 1985 Honda rebel 250 and oil filter location?

Rebel 250 takes 1.6qts of 10/40 oil. There is no Oil filter on this bike, there is a screen but it is not meant to be changed. Since the engine oil is also the clutch/transmission oil and there is no oil filter it is important to change the oil at regular intervals.


How often is an oil change recommended for most cars?

Conventional motor oils have recommended 3,000-mile drain intervals. Synthetics motor oils have recommend 5,000 - 25,000-mile drain intervals.


Do airplanes get oil changes?

Yes they do. All engines are required to have oil changes at regular intervals, depending on the type of engine.


Why does the maintenance required button come on 2001 accord?

Mine always came on when it was due for an oil change. I have a 1999 ex v6 coupe with the 3.0 liter motor. I assume the maintenance light would come on at regular intervals regardless of the motor, however.


Is it harmful to mix regular motor oil with hydraulic oil?

yes very


Is it harmful to switch between regular motor oil and synthetic motor oil?

No, you can even mix synthetic with conventional oil. It will do no harm at all.


What is better for plants synthetic or regular motor oil?

motor oil, of any kind, would kill most plants


Is it alright to mix synthetic motor oil with regular non-synthetic motor oil in car engines?

That's okay.

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