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The following cars all use a 4L60E transmission. GM are responsible for some of the biggest automotive brand names in the US, including Cadillac, Chevrolet, Pontiac, and, of course, GMC. Then again, hydraulic systems were also somewhat complicated and difficult to work on at home.
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Its predecessor, the 4L60 was instead controlled hydraulically.įor a detailed history of how automatic transmissions have been developed over time, ever since the first one was invented in 1904 (or 1923, depending on your view), take a look at this Wikipedia page. The 4L60E is made unique by being one of the first transmissions to use electronic shift control. The one used in the example here is also a much newer 6-speed, whereas the 4L60E is a 4-speed transmission. Please note that this is not a 4L60E specifically, but it will give you a good general overview of how transmissions work. This is especially the case in the US, where the automatic transmission is extremely popular.įor a quick explanation of how a basic automatic transmission works, if you’re not familiar with it, check out this video. In 2015, about 34% of the cars in the world were equipped with one. On the roads of most countries today, an automatic transmission isn’t a rare sight.