When do you switch from a 5w 30 to a higher Grade?

5W-30 oil can operate in temperatures as high as 95°F, after which you should switch to a better high temperature oil viscosity grade. 5W-30 oil is unsuitable for extremely high temperature use since, at these temperatures, car engines require a thicker oil with proper bearing support and cushioning.

1. When should I change my oil grade?
2. How long is 5W-30 oil good for?
3. When should I switch from 5W-30 to 10w30?
4. What happens if you put 10/30 instead of 5W-30?
5. Can I use 5w30 instead of 5w20?
6. Should I change oil every 6 months?
7. How often should you change 5W-30 oil?
8. Is 5W-30 conventional or synthetic?
9. Is 5W-30 full synthetic?
10. Which is better for summer 5W-30 or 10W-30?
11. Is 5W-30 good for summer?
12. What happens if you put 10w40 instead of 5W-30?
13. Is Thicker oil better for older engines?
14. Will the wrong oil damage my engine?

When should I change my oil grade?

Depending on vehicle age, type of oil and driving conditions, oil change intervals will vary. It used to be normal to change the oil every 3,000 miles, but with modern lubricants most engines today have recommended oil change intervals of 5,000 to 7,500 miles.

How long is 5W-30 oil good for?

Mobil Super™ 5W-30

Helps provide long engine life and protect critical engine parts from lubricant related failures for up to 5,000 miles or your vehicle's recommended oil change interval, whichever is longer.

When should I switch from 5W-30 to 10w30?

The oils only differ in cold weather viscosity. If you never see temperatures below zero F then either 5W30 or 10W30 is fine. If winter temperatures are regularly below 0 degrees F then 5W30 is what you should run and you can run it year round if the 30 weight is good according to your owner's manual.

What happens if you put 10/30 instead of 5W-30?

Most oils will mix perfectly, provided they have a similar synthetic. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. Mixing the viscosity of oils will not have any effect on the engine. 5w30 and 10w30 engine oils have close viscosity, and thus there is no harm in mixing them.

Can I use 5w30 instead of 5w20?

Can You Use 5w30 Instead Of 5w20. It is not recommended. Although they both have the same winter rating of 5, the thickness (viscosity) of 5w30 is a bit higher than 5w20. That means your engine's at stake for using the high viscosity oil.

Should I change oil every 6 months?

Many automakers have oil-change intervals at 7,500 or even 10,000 miles and 6 or 12 months for time. ... Even if you drive fewer miles each year than your automaker suggests changing the oil (say, 6,000 miles, with suggested oil-change intervals at 7,500 miles), you should still be getting that oil changed twice a year.

How often should you change 5W-30 oil?

Unlike regular car oil, synthetic oil is more refined which can lower friction, reduce engine sludge, and increase engine performance. It's recommended that you change synthetic oil every 7,500 – 15,000 miles, depending on the vehicle and the brand of synthetic oil used.

Is 5W-30 conventional or synthetic?

For example, conventional 5W-30 motor oil is a petroleum-based oil that is thick at low temperatures and thin at high temperatures. To change this variance, oil manufacturers use additives to change the oil's properties, reducing its viscosity at lower temperatures and thickening the oil at higher temperatures.

Is 5W-30 full synthetic?

Keeps engines running like new

Mobil 1™ 5W-30 is an advanced full synthetic motor oil designed to keep your engine running like new by providing exceptional wear protection, cleaning power and overall performance.

Which is better for summer 5W-30 or 10W-30?

Answer: There is absolutely no need to switch to 10W-30 motor oil in the summer if 5W-30 is an acceptable grade for your engine. While some car manufacturers still advocate the use of 10W-30 (or even 10W-40) as an appropriate engine oil option for summer use, it is completely unnecessary.

Is 5W-30 good for summer?

5w30 is a great multigrade oil for use in low starting temperatures as well as high summer temperatures. It is also more fuel efficient since it creates less drag on the bearings and moving engine parts.

What happens if you put 10w40 instead of 5W-30?

If you use 10-w-40 instead of 5-w-30 specified by the manufacturer then the viscosity of 10-w-40 used by you will be higher and oil thicker than what is specified during winters. Similarly the oil viscosity will be higher and oil thicker than specified during summers.

Is Thicker oil better for older engines?

You should switch to thicker oil if your older car is consuming oil. The general rule is to always use the viscosity your car manufacturer recommended. ... As your engine gets older, the clearances within the engine change due to wear and tear, and your car could start to consume oil.

Will the wrong oil damage my engine?

Using the wrong fluid can cause poor lubrication, overheating, and possibly transmission failure. A mechanic might not be able to reverse the damage, even by flushing the transmission. Mistakenly adding motor oil or brake fluid can also destroy your transmission.