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As a car owner, it’s important to keep your vehicle in good condition, and part of that involves regular automatic transmission service. If you have an automatic transmission, it’s helpful to understand how it works and what kind of service it needs in order to keep it running smoothly. This guide covers the basics of automatic transmissions, their history, and the benefits they offer.

What Is an Automatic Transmission? 

An automatic transmission is a type of transmission that shifts gears automatically, without the need for the driver to do so manually. It uses a combination of gears, hydraulic systems, and electronic controls to shift gears automatically based on the vehicle's speed and other factors. 

The transmission fluid in an automatic transmission is vital to its operation. It acts as a hydraulic fluid, transferring power from the engine to the transmission and allowing the transmission to shift gears smoothly. 

History of the Automatic Transmission 

The first automatic transmission was invented by Alfred Horner Munro in 1921. However, it was not until the 1940s that automatic transmissions began to gain popularity in the United States. General Motors introduced the Hydra-Matic transmission in 1940, and by the end of the decade, nearly every major car manufacturer offered an automatic transmission option. 

In the years since, automatic transmissions have continued to evolve and improve. Today's automatic transmissions are more efficient and reliable than ever before, and many drivers prefer them over manual transmissions for their ease of use and smooth shifting. 

What Are the Benefits? 

One of the main benefits of an automatic transmission is that it requires less effort on the part of the driver. With a manual transmission, the driver must shift gears manually, which can be tiring and distracting, especially in heavy traffic or on long drives. With an automatic transmission, the driver can simply focus on driving, without worrying about shifting gears. 

Another benefit of automatic transmissions is that they can improve fuel efficiency. Automatic transmissions are designed to shift gears at the optimal time, which can help to keep the engine running at its most efficient level. This can result in better gas mileage and lower fuel costs over time. 

Finally, automatic transmissions are generally more reliable than manual ones. This is because they are designed to shift gears more smoothly and consistently, which can reduce wear and tear on the transmission components over time. With routine automatic transmission service, you’ll likely have to deal with fewer repairs over the life of the vehicle. 


If you’re in need of automatic transmission service in Anchorage, AK, Quality Transmission Service is a trusted provider. With years of experience in the industry, their team of Automotive Service Excellence-certified technicians are dedicated to delivering superior results. They offer a range of transmission solutions, including repairs, rebuilds, and replacements. Contact them today at (907) 561-8767 for a free quote or visit their website to learn more. 

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