How Automatic Transmissions Work

If you have ever driven a car with an automatic transmission, then you know that there are two big differences between an automatic transmission and a manu­al transmission:There is no clutch pedal in an automatic transmission car. There is no gear shift in an automatic transmission car. Once you put the transmission into drive, everything else is automatic.

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Torque Converter Movie
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How Automatic Transmissions Work! (Animation)
This animation explains the principles of automatic transmissions that use a Ravigneaux planetary gear set. Contents 1) Torque converter, multi-plate clutches 2) Multi-plate brakes, band brakes 3) Ravigneaux gear set 4) Large and small sun gear 5) Planets and planet carrier 6) Ring gear 7) gear ratios

Automatic Transmission You can use interactive flash animation of this video at the link given above.

The Basic Parts of an Automatic Transmission (Part 1)
Visit me at: This is part one of my front wheel drive (FWD) automatic transmission dissection video. In this video I cover the operation of clutches, bands, accumulators, clutch drums, the oil pump, the valve body, valves, check balls, seals and 'o' rings, as well as the construction and function of many of the internal hard parts of an automatic transmission. To be honest a rear wheel drive transmission isn't much different as many of the basic components are the same. I guess what I'm saying is that you could use the information in this video to have a basic understanding of a rear wheel drive automatic transmission also. It is just a basic overview of the main components. I don't get into theory and operation so much. Just the general operation and identification of the parts. I may make more videos on this topic based on the comments I get so feel free to ask questions and perhaps I'll answer them in a future video on this topic. There will also be a separate video on the parts and operation of the torque converter as well. When that is posted I'll post links below to that video. Part 2: Torque converter dissection: Discussion about this video: -the-basic-parts-of-an-automatic-transmission#50371 Stay dirty ETCG Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information.  EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video.  Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result.  Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.