Will it hurt my car if I use 5W30 instead of 5W20?

While both 5W20 and 5W30 motor oils are suitable for high mileage engines, the best viscosity type for your vehicle depends on how the manufacturer designed the engine. Using 5W30 when it is advised that you use 5W20 can result in your vehicle not getting good fuel economy.
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Can I use 5W30 synthetic 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.
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Is there a big difference between 5W20 and 5W30?

5w20 is a champion in colder climates with quicker engine startups because of its low viscosity and less friction in the engine parts. 5w30 is also a champion in hotter climates where a thick oil is needed to withstand the higher temperatures. The engine will inevitably get hotter and thus requires a more viscous oil.
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Can I use 5w30 instead of 5W20 in my Toyota?

Synthetic oil with a viscosity rating of 0W-20 is specified for your vehicle. 5W-20 is acceptable as well. 5W-30 will not harm your engine. Use of 5W-30 might add some additional cost in terms of reduced fuel economy due to use of the higher viscosity oil.
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What happens if you put the wrong oil weight in your car?

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.
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Will 5w30 hurt your car if it calls for 5w20? The 3.6 Pentastar V6 Problems gen 3 Pacificas are...



Can you mix 5w30 and 5/20 oil?

Yes, you can mix 5W20 and 5W30 oil. However, your engine MUST support it. Both oils should be of the same brand to prevent engine damage and should also be of a similar API service level.
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Is 5w30 good for high mileage?

Amazon Basics Full Synthetic is the best 5w30 oil for high mileage vehicles. This oil should only be used on vehicles exceeding 75,000 miles. This motor oil is formulated for longer drain intervals. It helps in preventing a build-up on drain intervals and preventing rust and corrosion.
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Can I use 5w30 instead of 5w20 in my Jeep?

In cold temps 5w20 and 5w30 should have the same viscosity. The difference would be as the oil is warmed up, like in a running engine. The 5w30 should be a little thicker, so it should (as you mentioned) have a slightly higher oil pressure at operating temp.
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Is 5W30 good for summer?

When should I use 5w30 oil? You should always use the oil recommended by your vehicle's manufacturer. However, 5w30 oil can function in temperatures as low as -30ºC and as high as 40ºC, making it an ideal choice if you drive your car in a place with relatively high seasonal temperature variations.
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What can I use instead of 5W20?

10w30 and 5w20 engine oils have similar SAE ratings, which means that they will perform similarly at operating or high temperatures. The number 30 indicates the viscosity of the oil at high temperatures, as stated before. 10w30 tends to get thicker in cold weather which makes 5w20 better suited for these environments.
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Can I put 5W-30 in Jeep Wrangler?

Valvoline 5W-30

Mopar recommends using six quarts of 5W-20 oil. Depending on your driving conditions (extreme heat/cold) you can also use 5W-30.
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Is 5w30 good for winter?

An example is 5W30—the “W” stands for winter and the oil's cold weather rating. The lower the W number, the better the oil will perform in colder temperatures. Typically, a 5W oil is recommended for winter use, but synthetic oils can be formulated to flow even more easily when cold.
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How long does 5W 30 oil last?

Mobil 1™ Extended Performance High Mileage 5W-30

Provides 20,000 miles of protection for vehicles with more than 75,000 miles – guaranteed.
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What happens if you mix engine oil grades?

Oils are also made available with different grade ratings that determine the viscosity and its ability to perform under varying weather conditions. Can oils of different grades be mixed? The good news is that mixing different types of oil it will not harm your engine in any way in the short run.
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When should I use 5W30 oil?

5w30 oil is particularly well suited for cars driven in cold climates. Unlike oils with a higher hot temperature rating such as 10 or 15, 5w30 oil can flow freely enough when the engine is started at low temperatures to coat and protect the engine's internal components.
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Should I use thicker oil in a high mileage engine?

A: Yes. This is a practical method to improve oil pressure in an older, high-mileage engine. The slightly thicker oil film from the heavier base weight oil - 10W - can help protect worn engine bearings as well.
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What oil should I use in my high mileage engine?

If you know your vehicle has received regular oil changes at the manufacturer's Mobil 1™ High Mileage synthetic motor oil is the best choice. Why? This high mileage oil contains a higher base oil viscosity to help reduce leaks and provide better high temperature protection.
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Will heavier oil hurt my engine?

Using oil that is thicker than recommended may lead to a decrease in fuel economy, a higher load on your engine, and even a shorter life for your engine. Conversely, using thinner, lighter-weight oil than recommended can cause excessive wear and shorter life.
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What car is 5W 30 oil for?

The '30' or '40' refers to the oil flow at higher engine temperatures. '30' is often for newer petrol engines, while '40' is often for older or diesel engines. 5W-30 and 5W-40 oils are compatible with some models of common cars, like the Ford Focus, Ford Ka, Honda Civic and VW Golf.
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Is 5W-20 oil synthetic?

5W-20 conventional oil is made out of refined crude oil and several additives. It provides adequate performance at normal operating temperature and is recommended for engine protection and lubrication. 5W-20 synthetic motor oil is made of synthetic base oil (refined and modified hydrocarbon atoms) and additives.
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Is synthetic oil Better?

Is synthetic oil better for my engine than conventional oil? Yes, synthetic oil is better for your engine than conventional oil. Although conventional oil (i.e., mineral oil) can provide adequate lubrication performance, it can't compete with the overall engine performance and protection provided by synthetics.
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How often should you change your oil?

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. Moreover, if your car's engine requires full-synthetic motor oil, it might go as far as 15,000 miles between services!
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Is 5W20 good for winter?

5W20 motor oil is another low-temperature grade typically recommended for winter use, with a 10W-30 as an alternative for higher temperatures. This oil type is common because it provides the best fuel economy, saves fuel consumption, and has fewer exhaust emissions.
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Can you put 10w30 oil in a 5W20 engine?

Originally Answered: Can I put 10w30 instead of 5w20? You can, but you will get worse mileage, and in most cases shorten the life of your engine, as it will take longer to pump up pressure for your bearings and lifters, and won't spray your lower cylinders for an extra second or so on each cold start.
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Can I use any 5W30 oil in my car?

The 5W30 has a viscosity grade of 5 at low temperatures and a grade of 30 at higher temperatures. The 5w30 car engine oil is typically used in light-duty petrol and diesel engines. You will find that most automobile manufacturers recommend it for cars and SUVs.
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