Are you also a victim of these 5 misconceptions regarding engine oil?

Updated: 19-02-2026, 02.17 AM

What is the news?

Engine oil is the lifeline of your vehicle. It helps in controlling the temperature by reducing wear and tear on the parts inside the engine. There are many misconceptions about oil, due to which people sometimes spend unnecessarily or damage the engine. If you also make similar mistakes, then know 5 myths related to oil, not paying attention to which can be harmful.

What is the impact of changing brand?

Changing the brand causes the car to get damaged: Often people fear that changing the brand of oil may damage the engine, whereas it is not so. If the grade of oil is right for your vehicle, there is no harm in changing the brand.
Danger of voiding warranty: Many people think that if they get the oil changed somewhere other than the dealership, the warranty will be void, whereas this is not true.

thick or thin

Is more thick or thin oil beneficial?

There is also a misconception among the drivers that thick oil keeps the engine safer or thin oil will increase the mileage. In reality, oil that is too thick can cause the engine to overheat and oil that is too thin may not lubricate the engine parts properly. Therefore, always use the same oil as recommended by the company in your vehicle’s manual. It is selected according to the design of the engine.

Will mixing synthetic and ordinary oil harm the engine?

Do not mix synthetic and ordinary oil: Many believe that mixing synthetic and regular oil will damage the engine, which is a myth. Can do this if necessary. This does not cause any immediate damage to the engine.
Necessary to change at 5,000 kms: In old vehicles, it was necessary to change the oil after 3 months or 5,000 km of travel. New vehicles and synthetic oils have become quite advanced. Due to this, there is no need for replacement till 15,000 kms.