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1. #AUTOMATIC TRANSMISSION PLANETARY GEARS MANUAL TRANSMISSION VEHICLE#
2. #AUTOMATIC TRANSMISSION PLANETARY GEARS HOW TO KEEP AUTOMATIC#

Automatic Transmission Planetary Gears How To Keep Automatic

Thurston County Transmission employs expert planetary gears technicians Lacey drivers can trust. Taking good care of these gearsets is how to keep automatic cars on the road for as long as possible. Planetary gears are a crucial component to any automatic transmission.

Then the ring gear is surrounding and in contact with each of the planet gears. The sun gear is located in the center with each planet gear surrounding and in contact with it. The planetary gear set contains three parts: the sun gear, two or more planet gears and the planet gears’ carrier, and the ring gear. The planetary gear set creates all the different possible gear ratios your vehicle uses.

For your vehicle to enter first gear, the ring gear will be the input, and the planet gears will be the output. To explain how different gear sets will change your vehicle’s gears and speeds, I will explain how your vehicle enters first gear, third (or above) gear, and reverse. In one of the planetary gear sets, the ring gear has 72 teeth and the sun gear has 30 teeth so, there are thousands of possible gear ratios. It is what role it has (input, output, stationary) that determines the gear sets’ gear ratio. Each part can be one of three things: the input, output, or stationary.

The last scenario involves keeping the planet gear stationary. This would mean that the input would be moving at the same speed as the output and that your vehicle is operating in third gear or higher. This will cause all three parts (ring gear, planet gears, and sun gear) to move at the same speed. Another possible scenario includes unlocking the sun gear and locking any other two parts, meaning they are stationary. In this instance, the output (planet gears) will move slower than the input (ring gear), which means that the gear ratio is a reduction. What happens in first gear is the ring gear will be set in motion moving the planet gears around the stationary sun gear.

Automatic Transmission Planetary Gears Manual Transmission Vehicle

Transmission fluid is sent throughout a transmission by a complex hydraulic system. In order to supply this power, torque converters use transmission fluid.Transmission fluid is used to lubricate, clean, and keep all of the moving parts in an automatic transmission cool. Torque converters also supply more torque to your wheels to allow your vehicle to speed up quicker after sitting still. Torque converters transmit the necessary power to the engine to keep it running while your vehicle is stopped. The torque converter works just like the clutch in a manual transmission vehicle. Another very important part in automatic transmissions is the torque converter.