what is powershift automatic transmission?
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The Ford PowerShift is a six-speed dual-clutch automatic transmission, produced by the Ford Motor Company. ... PowerShift improves fuel efficiency by as much as 10 percent when compared to a conventional automatic transmission.
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Automatic transmission fluid (ATF) is a kind of transmission fluid used in vehicles with self-shifting or automatic transmissions. ... The fluid is optimized for the special requirements of a transmission, such as valve operation, brake band friction, and the torque converter, as well as gear lubrication.
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Downshifting means putting your vehicle in a lower gear, for instance shifting from 4th gear to 3rd gear. Upshifting is the opposite - shifting into a higher gear. In a car with automatic transmission, stepping on the gas pedal at speed will create a downshift into a lower gear for faster acceleration.
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The transmission is the vital link, increasing torque to accelerate away from a stop, or preventing the engine from working too hard at highway speeds. An automatic transmission uses sensors to determine when it should shift gears, and changes them using internal oil pressure.
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By now it is a well-publicized issue that Ford's PowerShift dual-clutch automatic transmission has caused problems for owners of several model years of its Fiesta and Focus cars. ... Owners have reported replacing clutches, output shafts, and entire transmissions. They've come back for software updates.
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A 6-speed automatic transmission uses six different drive gears to give you the best combination of fuel economy and power, as determined by the manufacturer. Since the transmission is automatic, the car determines when it needs to change gears and does it for you--all you have to do is drive the car.
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Manual Transmissions on ATVs and SxS Vehicles Unlike a Polaris CVT transmission, where optimum power and torque are automatically delivered, a manual transmission requires the driver to understand power curves and to manually select the “right” gear for any given speed and terrain.
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A semi-automatic car features a transmission that combines manual and automatic gearboxes - offering the best of both worlds. The system affords the driver easy control over gear selection, by providing steering wheel-mounted paddle shifters (or a modified shift lever).
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Automatic Motorcycle Transmission Automatic gears for motorcycles are often referred to as a twist-and-go system, which has the ability to shift through the range of gears without a noticeable indicator. Even with the automatic system, motorcycles typically have a clutch.
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Summary: If you're shopping for a car with an automatic transmission and you see a term such as “manual mode,” “manumatic” or “shift-it-yourself,” it likely refers to a regular automatic transmission that lets the driver select specific gears on demand. ... Most drivers, however, leave the lever in “D” all the time.
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For faster acceleration when in D3 or D4, you can get the transmission to automatically downshift by pushing the accelerator pedal to the floor. The transmission will shift down one or two gears, depending on your speed. Second (2) — To shift to Second, press the release button on the side of the shift lever.
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Rather than utilizing a clutch, an automatic transmission uses a torque converter. ... Rather than using different sets of gears to lock and unlock the transmission output shafts, an automatic transmission uses a single gearset to achieve the different gearset ratios.
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In an automatic transmission, the car decides when you shift and automatically changes gears for you. In a manual transmission car, you are responsible for shifting gears using the clutch and gas pedals.
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The clutches, or more correctly, clutch packs, are the driving force of the gear changes in the automatic transmission. Between the different gear sets, there are clutch packs that, when activated, combine the different gear sets together, thus changing the overall gear ratio.
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The biggest difference between the two is that you've got pistons creating the hydraulic flow in a hydrostatic application, while automatic transmissions use a torque converter. Automatic Transmissions are progressive speed transmissions that are controlled by a torque converter.
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Your vehicle may be equipped with a six-speed SelectShift ® automatic transmission, which allows you to choose between fully automatic shifting or semi-automatic, clutch-less shifting. This video will show you how to change gears and modes with this transmission.
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A CVT is a type of automatic transmission that delivers seamless acceleration without interruption for gear shifts. Instead of fixed gears, it uses a pair of variable-width pulleys that are connected by a flexible belt.