5W means that the oil is suitable for winter temperatures down to -35 °C. At these cold temperatures the oil is still pumpable and can spread in the whole engine. The second part of the SAE class description, the figure ’20’, refers to the kinematic viscosity at 100 °C.
However, if the manufacturer approves, you can sometimes use 5w20 instead of 5w30 because 5w30 motor oil is suitable for hotter climates where thinner oils tend to break down under high temperatures. If you accidentally put 5w20 instead of 5w30, this will not create a hazard on your engine.
When comparing 5w20 vs. 5w30 motor oil, the 20 indicates that the oil has a lower viscosity and is thinner at higher temperatures. … So, due to viscosity, 5w20 is a thinner oil during operating temperatures, whereas 5w30 is thicker during operating temperatures.
Can you put 5w20 oil in a 5w30 engine? No, your engine will be fine with the 5w-20. 5w20 oil is fairly light oil and is generally designed to work with newer engines.
You can’t mix between regular/synthetic blend/full synthetic but mixing weights, especially if they’re by the same manufacturer, is no problem.
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.
For model year 2001 and Newer: Ford, Honda, Chrysler and other OEM’s specify 5W-20 and 0W-20 motor oil for most all cars and light trucks.
As you have likely now concluded, 5W20 is better suited for colder temperatures. If you need motor oil for summertime performance, 5W30 is going to be the better bet. However, you should only switch to this oil type of your car manufacturer or personal mechanic recommend doing so.
As 5W-20 is a low viscosity oil, it’s best suited for cars that drive a lot in low temperatures and colder climates. It’s ideally recommended for light-duty petrol and gasoline engines, and can help with engine deposits and wear and tear problems.
It should be fine, considering the temps, and that the suggested oil viscosity is usually 5W-30, so two quarts of 5W-20 and three of 10W-30 probably come pretty close to some viscosity around 5W-30.
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.
yes. If you don’t have a choice, adding synthetic oil to regular oil can help you out in a pinch. … Since motor oils are generally made from the same ingredients (base oil and additives), they are typically compatible when mixed.
At extremely low temperatures, say -30 or colder, 0W oils don’t thicken as much as 5W oils. There is virtually no difference between the viscosity of 0W20 and 5W20 at “normal” summer temperatures, say +15 to +40 C.
Answer: Yes, 0W-20 is unquestionably safe for your engine. Manufacturers have been specifying 5W-20 and 0W-20 since the early part of the last decade and there is no evidence whatsoever that engine wear rates have increased.
To make a 0W-20, high quality base oils and strong additives are needed. … 0W-20 motor oils require synthetic base oils and are either full synthetic or part synthetic (synthetic blend) motor oil; 0W-20 oils are not conventional (or mineral) motor oils.
The 0W-20 is said to be the best oil in the market because it helps to reduce environment hassle on waste oil disposal. The 0 before the W on the label is referred to as the viscosity of the oil when the engine is cold. The W refers to winter.
When it comes to their higher operating temperature performance, 5W30 motor oil performs slightly better than 5W-20 and is a thicker oil than its counterpart. 5W30 motor oil would be more robust and not break down very easily at a higher temperature.
The 0W or 5W refers to the pumpability in cold temperatures. Therefore, a 0W would flow more easily than a 5W and could be an acceptable substitute. Thus, it is suitable to use a SAE 0W-20 as a replacement for SAE 5W-20 application.
In a 5W20 engine. You could use a 0W20 oil (I use 0W20 oil) in cold weather and it would be Ok by Ford. (they will not say it is good, but they will still honor the warranty..) But 10W40 is way off, and I bet they would be not so happy over any engine problems if they found 10W40 in a failed engine.
Protects for up to 20,000 miles between oil changes*
Mobil 1 Extended Performance 5W-20 advanced full synthetic motor oil is designed to deliver outstanding engine protection and protect critical engine parts for up to 20,000 miles between oil changes.
Is 5W-20 good for summer? Theres nothing wrong with using 5w-20 in the summer, in fact 5w-30 wouldn’t be any better, remember that the “w” stands for “weather”. Unless your pulling trailer or a heavy load, you’ll be just fine.
’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.
This ability to function well both in summer and winter brings with it the convenience of not having to change oil weights with the seasons. 5w30 oil’s lower viscosity also means less strain on the oil pump, as well as better fuel economy.
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.
Modern cars are designed to use lower viscosity oil ranges, so they can properly lubricate ( see attachment) Going from 5w-20 to 10w-30 should cause no harm for one oil change. But if you engine as designed for 5W-20, give it 5W-20.
You can add any engine oil as long as it has the right specifications — preferably with an official approval of the OEM (Original Equipment Manufacturer). Not the brand, but the specification and viscosity indicated in your car’s manual are your reference for using the right oil.
3 Answers. Mixing new with the old will cause you absolutely no issues. As long as you are using the same weight oil, it will mix up and you’d never know it. Continue to change your oil at the specified interval and you should be golden.
Newer vehicles can utilize thinner oils for faster lubrication of new engine parts. In contrast, older, high-mileage engines benefit from thicker oils to prevent friction and oil loss.
As posted above, mixing 5w30 with 10w40 will give you an oil that performs somewhat better in the cold than 10w40, but less good cold than 5w30, and that has a viscosity a bit higher than 5w30 but a bit lower than 10w40. Mixing different oils will not improve the performance or efficiency of the engine in any way.
Switching to synthetic oil causes leaks: Generally, switching to synthetic oil does not cause leaks. It is true that synthetic oil is thinner than conventional oil and therefore flows more easily. … You can’t switch back to conventional oil: Once you switch to synthetic, you are not bound to it forever.
|Advantages and Disadvantages of Synthetic Oil|
|Resistant to oxidation and chemical degradation||More expensive|
|Withstands temperature extremes better (cold and hot)||Possible additive precipitation/separation|
|Flows better at cold temperatures||Slightly lower fuel economy at highway speed|
First of all, this synthetic oil has excellent stability through a wide temperature range. For example, Mobil1 0W-20 oil pours at temperatures as low as –47 degrees Celsius and protects at oil temperatures as high as 205 degrees Celsius. This is far outside the normal operating range for almost all vehicles.
The 0w20 is less viscous in low temperatures, which means it will perform better than its counterpart. The two oils are of high quality and will also work in high temperatures, though not extreme. … 5w30 and 0w30 work better in high temperatures, while 5w20 and 0w20 work well in cool temperatures.
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