What if I use 10w40 instead of 5w40

Can 10W40 be used instead of 5w30?

Your vehicle does not use 5W-30 oil. The recommended oil viscosity for your vehicle, according to Kia’s documentation, is 10W-40. If you are driving in extremely cold weather, well below 32 degrees, you can use 5W-30 oil, but even 10W-40 is still perfectly fine if the outside temperature is below freezing.

What kind of oil can be replaced with 5W-40?

Use Mobil 1 SuperSyn 0W-40, “Formulated for newer European cars” if you have a Highway nearby. Use Castrol Syntec 5W-40 if you want to donate some $ to VW dealers (Part #: ZVW 352 540S).

Can 5W 50 motor oil be used instead of the 10W 40 recommended?

The lower the number, the better it flows. The second number is the viscosity at operating temperature. The higher the number, the thicker the oil. So yeah oil is better than no oilhowever, you should always use what is recommended for your engine.

Is the 10W40 good for high mileage?

If both 10w30 and 10w40 are acceptable oil options for your car, then it is recommended to use 10w40 for a car with high mileage. … Thicker oil helps older engines cope with higher temperatures and manage wear more efficiently. The thicker oil will reduce wear and extend the life of the engine.

Does 10W40 harm the 10W30 motor?

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The basic fact that “40” is greater than “30” it tells you this. If you put the 10W40 in an engine designed for the 10W30, “thicker” oil would cause friction in the engine and put more stress on the oil pump. The car would have to do more work to get the oil around the engine block.

Can 10W40 be mixed with 5W40?

Registered. As long as both oils have the same C class, or at least similar – there is no problem with mixing different grammages.

What do you use 10W40 oil for?

A higher viscosity oil such as 10W-40 may be useful for oil burning or leakage in older engines. We offer Mobil ™ 10W-40 high viscosity motor oils for use in vehicles with more than 75,000 miles, plus synthetic blended oil when cost matters.

Should I use 10W40?

SAE 10W-40 engine oil works similarly good in cold weather conditions. It has the same low temperature limits as 10W-30, but performs better at higher temperatures. … Either 10W30 or 10W40 for summer use is fine; however, 10W-40 engine oil protects the engine better.

Will the wrong oil damage my engine?

Using the wrong fluid can cause poor lubrication, overheating, and possibly gear failure. The mechanic may not be able to reverse the damage, even by flushing the gearbox. Incorrect addition of engine oil or brake fluid it can also damage your broadcast.

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What does 10W40 oil mean?

What does 10W40 mean? 10W-40 is viscosity or weight engine oil as defined by the Society of Automotive Engineers (abbreviated SAE). 10W-40 oil has a viscosity grade of 10W at low temperature and 40 at higher temperature. … Engine oil thickens when cold and becomes thinner when heated.

Is it bad to mix engine oil?

Mixing different types can destabilize the engine oil, reducing it efficiency and affecting engine performance. The wisest choice is to stick to the type of oil and oil change intervals recommended by your car manufacturer and visit local auto care experts for affordable service.

Can thick oil damage my engine?

Using an oil thicker than recommended can lead to: fall in fuel economy, higher engine load and even shorter engine life. Conversely, using thinner and lighter oil than recommended can result in excessive wear and a shorter service life.

Can I put 10W40 instead of 5W20?

On the 5W20 engine. You can use 0W20 oil (I use 0W20 oil) on cold days and the Ford would be ok. (They won’t say it’s good but they will still honor the warranty ..) But the 10W40 is far away and they probably wouldn’t be as happy with any engine problems if they found the 10W40 in a broken one engine.

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Can Thick Oil Cause Misfire?

4: misfires

You will feel it as a sudden jerk of the engine while it is running. When it comes to oil, this is usually because a film of oil covers the spark plug.

Which is better 10W40 or 20W50?

Is the 10w40 good for high mileage? The 10W40 is no better than the 20W50 for high mileage. The difference between the 10w40 and the 20w50 is simply that the latter is thicker. As for gas mileage, no oil will improve your gas mileage by changing from 10W40 to 20W50 or vice versa.

Does Thicker Oil Increase Oil Pressure?

How do I know if I have overfilled the oil?

Common signs of an engine oil overfill include:

  • Oil is leaking from your car.
  • Smell of burning engine oil.
  • Smoke from the engine compartment.
  • Smoke or black exhaust from the exhaust pipe.
  • Unusual noises coming from the engine.
  • What if the oil level is too high?

    If there is too much oil in the engine, the oil level in the sump will be so high that it may be splashed by some moving parts in the engine block, in particular the crankshaft cams and the “big ends” of the connecting rod“. This, in turn, can churn the oil into a foamy texture, like a well-emulsified salad dressing …