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Planetary Gear Set

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How an Automatic Transmission Works
An automatic transmission allows a vehicle engine to operate within a narrow speed range, just like a manual transmission does. As the engine achieves higher degrees of torque (torque is the rotational power of...
Does An Automatic Transmission Have a Clutch?
Most of the time we think of a clutch in the context of a manual transmission. An automatic transmission does have a clutch system, but usually only a mechanic would refer to...
The Most Common Error Codes for Transmission Problems
If your Check Engine Light has come on, there are a number of conditions that could be causing it. Many are related to the transmission. Your mechanic can perform a computer analysis that will reveal the problems that...
Understanding Main Gears Vs. Planetary Gears
Aspiring mechanics spend hours learning about how main gears and planetary gears work in a car transmission, so a full dissertation simply isn’t possible within this relatively brief article. If you’re curious...

Related questions

Question
How Long Does Transmission Fluid Last?
The best guideline for when to change automatic transmission fluid comes from the manufacturer of the transmission itself. The owner’s manual for each vehicle provides the recommended mileage intervals for service. Typical recommendations generally range from 30,000 to 60,000 miles....
Question
Understanding Main Gears Vs. Planetary Gears?
There is often a debate among expert mechanics about what type of transmission system is the most efficient and effective method of applying horsepower to the wheel. Some believe that automatic transmissions are best suited for consumers that commute frequently,...
Question
Does An Automatic Transmission Have a Clutch?
An automatic transmission does not use the same style clutch that a manual transmission uses. The automatic transmission uses a torque converter attached to the engine and transmission to serve as a connection between the two components. The torque convertor...
Question
What Are the Top Transmission Problems That Should Never Be Ignored?
Ignoring problems with cars is like ignoring problems with teeth. Waiting longer usually just results in more pain and expense. Seeing transmission fluid on the ground under your vehicle should get your attention right away. Transmission fluid is usually reddish-brown....
Question
What Do Transmission Error Codes Tell You?
Using transmission error codes is a necessary procedure for a transmission technician since automatic transmissions have been computer controlled for over 20 years. The transmissions currently in use are very different to diagnose and repair than transmissions from decades ago....

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