This is an advantage to the Dexron VI because it is easier to move freely into all parts of the transmission. A lower viscosity level in Dexron VI makes the fluid thin. This includes Dexron VI maintaining a max of 6.3 cSt at 100☌ and 7.5 cSt at 100☌ for Dexron III. This is higher than the viscosity level of Dexron VI, as it has a viscosity rating of 26. Dexron iII vs vI: Key difference & Comparison Featuresĭexron III has a viscosity rating of 30.2. Dexron VI was first used in 2007 6T70/6T75 transaxles and the 2007 6L80 transmission. If your transmission has a default requirement of Dexron III, you should try to stick with it. However, the comparison surely has helped us conclude that they are not compatible and might work as a perfect fit for your transmission. Speculations have it that the Dexron VI is also backward compatible with Dexron III, but with only the H and G versions. This is done by accompanying it with high-quality formulations and shear-stable specifications. So it is essential to maintain its viscosity without allowing it to thin out. Compared to the Dexron III, the Dexron VI is thin. Its lower and more stable viscosity level enhances the pumping efficiency of the transmission and the fluid stability. Dexron VI boasts a lower viscosity level. Ford produced the Mercon Low Viscosity fluid, and GM released the Dexron VI. Dexron vi – short overviewĭexron VI is the 2005 product of Ford and GM collaboration to develop a new 6-speed FWD transaxle (6T70/6F50). Gradually, Dexron III stood out as a universal option for automatic transmissions that had or didn’t have a controlled torque converter lockup clutch.Īlthough Dexron III phased out in 2011, earlier standards were reintroduced in the form of DEx/Merc, meeting the same standards as Dexron III. This upgrade achieved better foam control, incorporated anti-shudder properties, and addressed friction maintenance needs. The versions were indicated with the defined letter and its license number. The need to address these limitations produced multiple variations of the Dexron III. Some of which include shear stability and fluid oxidation. While the Dexron III scaled through with its amazing benefits, which include low-temperature fluidity, it had certain limitations. As a predecessor of the Dexron II, the Dexron III achieved improved friction stability, high-temperature oxidation stability, and material compatibility. It is an inclusion of group 2+ base oils and additives. Dexron iII – Short Overviewĭexron III is the 1993 release of GM’s transmission oil series. Well, this guide on Dexron III vs Dexron Vi will give you all the necessary information you need about this product to help you make a good choice. But, are there other things that you should know before using any of them? Viscosity, performance, and engine compatibility, you wouldn’t want to put the wrong fluid into your transmission.ĭexron VI is usually referred to as the updated version of Dexron III. A lot of car users have different reasons why they prefer one of the products to the other. The Dexron III vs Vi argument has lingered for a while. You must have a clear concept on which of the Dexron fluids you should go for and its compatibility with your transmission. However, there are a lot of Dexron variations with different model numbers that run in the Dexron series. Dexron is a popular name for a group of automatic fluid transmissions made by General Motors.
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