On one end, you have a gear that connects to the transmission, and on the other end, you have a splined shaft that connects to the driveshaft via a yoke-type universal joint. It’s typically not the most complicated component. But your transmission’s output shaft is what drives the drive shaft. Once your transmission has completed all of its internal magic, it delivers power to the driveshaft, which in turn supplies power to the hubs. Read Also: How a Clutchless Automatic Transmission Works #5 – Output Shaft Different amounts of oil pressure engage different quantities of discs, which gives your hub a different gear ratio.
#Automatic transmission manual
Instead of a manual shifter to get your output to the desired ratio, your transmission uses a clutch pack.Ī clutch pack has multiple plates compressed together – when the valve body sends oil pressure to the clutch pack, it locks a certain number of clutch packs together, giving you your desired output ratio. With a manual transmission, you manually select the gear you want to engage – an automatic transmission is a little more complicated. Related: Common Symptoms of a Blown Transmission #4 – Clutch Packs It’s an incredibly efficient system – and allows the transmission to utilize a variety of gear options without the setup that a manual transmission uses. Since each gear set is a different size, this gives you a multitude of gear ratios by merely locking the other gears in place. The system works by locking two of the three gear sets at a time. The ring gear surrounds all of the planetary gears with one ring, connecting the entire system and bringing it together. See Also: Straight Cut Gears vs Helical Gears There are typically three or more of these gears and the mesh between the sun gear and the ring gear. The main gear is the sun gear, and it is in the center of the planetary carrier. Planetary gears have three sets of gears. Unlike a manual transmission, which has a set of multiple gears that make up the gearbox, an automatic transmission has a one or more (usually more) planetary gear sets. Read Also: CVT Transmission Life Expectancy #3 – Planetary Gear Set It’s not an overly complicated component, but it is an integral part of the system and is one of the few components in a transmission that will occasionally fail. It delivers transmission fluid from the transmission pan to the valve body, which directs it all the various components throughout the transmission as needed. The oil pump inside of an automatic transmission works just like any other oil pump.
#Automatic transmission code
Related DTC: Code P0740, Code P0741 #2 – Oil Pump Disconnect the first fan, and you can easily stop the second without hurting yourself.
While a torque converter’s internal workings can be a bit complicated, it’s much like how you can power a fan by pointing another fan at it. Instead, it’s all through transmission fluid. The crazy thing about torque converters is that they don’t connect an engine to the transmission with a physical connection of nuts, bolts, or gears. Your torque converter allows your engine to stay running while disconnecting from the transmission – the equivalent of disconnecting your transmission to shift gears by depressing the clutch on a manual transmission. That’s why if you suspect that you might have a bad torque converter, you need to address it immediately. Your transmission can’t shift gears while it’s still engaged to the engine otherwise, it would snap gears. This replaces the clutch and performs the same function. #1 – Torque ConverterĪutomatic transmissions don’t have a clutch instead, they have a torque converter. Still, every automatic transmission has these eight main parts, and they are all integral to the proper workings of your transmission.īut you need to know more than just the part names to know how they get your vehicle moving. A large number of components make up all the parts of an automatic transmission.
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