Automatic transmissions use regular automatic transmission fluid, as the name suggests. There are several types of auto transmission fluids, and the type used in individual cars and trucks depends on the type of transmission inside. In vehicles with automatic transmissions, this fluid also acts as a coolant. Bumper to Bumper Auto Parts SpecialistsĪutomatic_transmission_fluid.jpg – By Andshel – Licensed By Creative Commons Via Wikimedia – Original LinkĪutomatic_transmission.Transmission fluid is used to lubricate the components of a car’s transmission for optimum performance.You can also pick up BlueDevil Transmission Sealer at one of our partnering local auto parts stores like: BlueDevil Transmission Sealer will restore the seals in your transmission to stop the leak without changing the characteristics of your transmission fluid.įor more information on BlueDevil Transmission Sealer, check out our information page here: Transmission Sealer As we discussed earlier, your automatic transmission fluid level should not change during normal use so if it is low it is an indication that you have a leak. If you are adding automatic transmission fluid due to a low fluid level then you should also consider adding BlueDevil Transmission Sealer to your transmission fluid. This method should be used as a backup to your owner’s manual but can be helpful. Most major manufacturers of automatic transmission fluid list on the bottle what types of vehicles that particular fluid should be used in. If your vehicle’s owner’s manual is outdated or missing you can also head to your local auto parts store. It should indicate which type of fluid your transmission requires, how often it should be changed and even the amount of fluid you need to perform a transmission fluid change. First you can check your vehicle’s owner’s manual. There are two main ways you can figure out which type of transmission fluid to use. Depending on the materials the bands and clutches are made from, and the working pressure of the transmission, different friction modifiers are required to make sure friction surfaces grab tightly without slipping or chattering. Next, the transmission fluid has to have the appropriate friction modifiers to cause the correct engagement of the bands and clutches. Different transmissions have different components that require different chemicals to inhibit corrosion and keep wear products down. Also, it will have corrosion inhibitors for the types of metals that are inside your transmission. First it will have the correct viscosity to create the appropriate line pressure to cause shifts to happen. The correct fluid for your transmission will include a few things. For a quick read on different types of automatic transmission fluids and their properties, check out this article with an explanation of automatic transmission fluid.Īutomatic transmission fluid needs to be matched to the transmission. The wrong fluid can cause irregular pressures, clogs, precipitation or corrosion which can all drastically shorten the life of your transmission. It is also important to use the correct type of automatic transmission fluid because different fluids have very different properties. Even if you change your transmission fluid, you never will be able to drain all of the fluid from your system so it is important to use the same kind of fluid. Whether you’re wondering what kind of automatic transmission fluid to use because you’ve discovered a low fluid level or its time for a fluid change, you need to make sure you use the proper type. What Kind of Transmission Fluid Do I Need? You need to do this while your engine is running and it’s usually easiest to do right after you start the engine cold. In most cases, you can check your automatic transmission fluid level using the dipstick. Unless you suspect you have a low transmission fluid level, you are probably safe checking it once per month. This means that checking your transmission fluid level is something you don’t need to do as often as checking your engine oil. The only penetrations into your transmission should be the input and output shaft and those should be sealed. Your transmission, on the other hand, doesn’t have any reason for fluid to seep out as it is a closed system. Even when everything is working properly it is possible for oil to seep past the valve seals or past the piston rings when your engine is cold causing it to slowly burn. If the level is dropping quickly it could be an indication that something is wrong with your motor, but in most cases losing some oil in between oil changes is normal. Even in a new car you may notice your engine oil level slowly dropping in between oil changes. Adding Automatic Transmissions don’t usually require fluid additions except during a transmission fluid change.
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