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Q: What is the reason of viscosity increseing of engine oil?
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Oil viscosity for 2000 explorer with 4.0L engine?

5W-30 is the preferred oil viscosity


What does 30 means in 5w-30 engine oil?

The 5 and 30 refer to the relative viscosity of the oil when it is cold (5W) and when it is hot (30W). A 5W-30 oil behaves like a 5W thin viscosity oil when the engine is cold, and it behaves like a 30W thicker viscosity oil when the engine is hot. A very thin viscosity is undesirable in a hot engine. In very high temperature situations, an even higher viscosity range, up to 50W, might be called for. Always go by the engine manufacturers recommendations.


What symptoms auto oil pressure to rise?

The wrong viscosity of oil in your engine.


What is the correct engine oil viscosity to use in Nissan SR20VE engine?

5W30


What is the recommended engine oil viscosity for International 464?

30w


What happens if you put small engine oil in a car?

The viscosity of the oil may not be heavy enough to protect the engine.


Can you use 10w40 on a Saturn L300?

As the engine wears, the bearing clearances become a little larger, REQUIRING that you use a higher viscosity oil to maintain oil pressure. If using the recommended oil viscosity results in low oil pressure, you should certainly switch to the 10W40. HOWEVER, if the engine can maintain oil pressure using the recommended oil viscosity, you will get better economy and the engine will perform better.


Can you mix different weights of motor oil?

Of course you can but when you do you are changing the viscosity of the oil. Your engine requires a certain weight or viscosity of oil. Use only the weight oil recommended by the manufacture.


Which property of lubricating oil affects heat generation in the engine?

viscosity


What property of lubricating oil affects heat generation in the engine?

viscosity


What oil viscosity is recommended for 5.3L Chevy engine?

5w-30


What is the cause of coffee colored foam in engine oil?

Viscosity breakdown