What does the w mean in 5w30 oil

The suffixes (0, 5, 10, 15 and 25) followed by the letter W designate the engine oil's "winter" grade. Look to your owner's manual. It specifies the viscosity grade  Jan 31, 2018 But using an oil viscosity one grade higher or lower likely won't do The lower the oil's “W” viscosity, the more readily it will flow when cold. Automobile manufacturers recommend oils that carry the API Certification Mark. See the ILSAC STANDARD FOR PASSENGER. CAR ENGINE OILS chart on the  

In fact, these figures represent the oil's viscosity grade, which is the lubricant's level of How do I know what the right viscosity grade is for my vehicle? For example, on the most frequently purchased motor oils, you'll see values such as 5W30, 15W40, or 10W40. As with monograde oils, the “W” still means “Winter”. Volkswagen Oil Quality Standard VW 502 00/505 00/505 01 and VW 504 00/507 00 specification at the time system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or G-Energy Service Line W. Jun 14, 2019 This is what the numbers 0, 5, 10, 15, and 25 mean. Letter “W” means not “weight ”, but “winter” or low temperatures that the oil can stand. So it is  What Does The Letter “W” Mean? The letter “W” following the 10 stands for “ winter”, and it's 

Nov 7, 2018 What Do Oil Viscosity Numbers Mean. Numbers you find on Six of them are recognized as winter grades with a “W” designation. The eleven 

According to the Society of Automotive Engineers (SAE) standard J300, the "W" stands for winter. The standard does not state it but it is strongly implied. Without going into the nitty gritty These numbers refer to viscosity, or thickness, with the lowest numbers representing the thinnest, and therefore the most viscous oil. Also, the “W” stands for “Winter,” and refers to oil that maintains viscosity even in cold winter temperatures. A 5W oil is the usual choice for winter use because it has less viscosity, or thickness, in the cold than 10W oil, and will flow easier through the moving parts of a vehicle engine. 5W-30 has less viscosity in both cold and hot weather than a 10W-40 oil. Be certain to use the oil viscosity that is called for by your vehicle owner's manual. In 10W-30 oil, the two numbers mean it is a "multiviscosity" or "multigrade" oil that is effective over a range of temperatures. The first number, 10, is an index that refers to how the oil flows at low temperatures. The second number, 30, refers to how the oil flows at high temperatures. The W designation means the oil can be used in winter. In a 5w-40 for example the 5w bit (W = winter, not weight or watt or anything else for that matter) simply means that the oil must have a certain maximum viscosity/flow at low temperature. The lower the "W" number the better the oil's cold temperature/cold start performance.

Jan 7, 2020 The 10W30 designation on engine oil means that the viscosity of the oil is rated at This is different than an oil labeled 5W30, which has a thinner The “W” that you see on oil labels stands for the word winter because this 

Jan 16, 2019 What Do the Numbers on Motor Oil Mean. by autotechnician The number to the left of the W refers to the oil viscosity when the temperatures are low. In North America, the standard motor oil to use is 10W30 or 5W30. Nov 5, 2018 5w30 is motor oil. Technically the 'w' could mean winter or weight, since 5 is the " weight" or viscosity of the motor oil. Essentially, what it means is that on the  Motor oil, engine oil, or engine lubricant is any of various substances comprising base oils The higher numbers of a gear oil (e.g., 75W-140) do not mean that it has of which six are considered Winter-grades and given a W designation. The "W" indicates that the first number is the "cold" or "winter" rating. How One Oil Can Have Two Viscosity Ratings. Oil responds to temperature by thickening 

Nov 7, 2018 What Do Oil Viscosity Numbers Mean. Numbers you find on Six of them are recognized as winter grades with a “W” designation. The eleven 

Automobile manufacturers recommend oils that carry the API Certification Mark. See the ILSAC STANDARD FOR PASSENGER. CAR ENGINE OILS chart on the   May 1, 2017 What does 10w - 40, 5w-30, 20w-50 oil rating mean? When you see a W on a viscosity rating it means that this oil has been tested at a Colder  In fact, these figures represent the oil's viscosity grade, which is the lubricant's level of How do I know what the right viscosity grade is for my vehicle? For example, on the most frequently purchased motor oils, you'll see values such as 5W30, 15W40, or 10W40. As with monograde oils, the “W” still means “Winter”. Volkswagen Oil Quality Standard VW 502 00/505 00/505 01 and VW 504 00/507 00 specification at the time system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or G-Energy Service Line W. Jun 14, 2019 This is what the numbers 0, 5, 10, 15, and 25 mean. Letter “W” means not “weight ”, but “winter” or low temperatures that the oil can stand. So it is  What Does The Letter “W” Mean? The letter “W” following the 10 stands for “ winter”, and it's  Jul 26, 2011 He adds that the tolerances in a modern engine are closer and tighter, which means that the oil's ability to keep critical engine parts clean is 

May 1, 2017 What does 10w - 40, 5w-30, 20w-50 oil rating mean? When you see a W on a viscosity rating it means that this oil has been tested at a Colder 

Jun 26, 2014 We explain what the various numbers etc really mean. The '5' in 5W30, denotes the viscosity of the oil when the engine is cold. While the 'W' in 5W30 stands for winter. Motor Oil. Photo Credit: Thinkstock of oil for your vehicle, selecting the right one has got a lot to do with the way you use your vehicle  Is it important to change oil and how often should I do this? What does “W” mean in oil numbers? What is the difference between 5w30 and 10w30 oil? How does Temperature affect Viscosity? What is Viscosity, by definition, is an oil's resistance to flow and shear. It is the W is Winter and oils with the W must meet the requirements of the Cold Cranking and Cold Pumping criteria. Table 3 

Jul 29, 2016 The 'W' stands for winter and the number in front of the W indicates how the oil 10W means the oil will have the viscosity characteristic of a  The suffixes (0, 5, 10, 15 and 25) followed by the letter W designate the engine oil's "winter" grade. Look to your owner's manual. It specifies the viscosity grade