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Torque from the torque converter is increased via the input shaft (25) and all three planetary gearsets Front Planetary Gear Set The annulus gear (8) is driven by the input shaft (25). The sun gear (21) is held against the housing by Rear Planetary Gear Set The annulus gear (11) turns at a reduced speed due to the mechanical connection to the front plane- Center Planetary Gear Set The annulus gear (10) is driven at the same speed as the rear planetary carrier (15) as a result of a Fig. 3 First Gear Powerflow 1 - TORQUE CONVERTER LOCK-UP CLUTCH 14 - CENTER PLANETARY CARRIER 2 - TORQUE CONVERTER TURBINE 15 - REAR PLANETARY CARRIER 3 - TORQUE CONVERTER IMPELLER 16 - TORQUE CONVERTER STATOR 4 - HOLDING CLUTCH B1 17 - FRONT PLANETARY PINION GEARS 5 - HOLDING CLUTCH B3 18 - CENTER PLANETARY PINION GEARS 6 - HOLDING CLUTCH B2 19 - REAR PLANETARY PINION GEARS 7 - DRIVING CLUTCH K1 20 - FREEWHEELING CLUTCH F1 8 - FRONT PLANETARY ANNULUS GEAR 21 - FRONT PLANETARY SUN GEAR 9 - DRIVING CLUTCH K2 22 - CENTER PLANETARY SUN GEAR 10 - CENTER PLANETARY ANNULUS GEAR 23 - REAR PLANETARY SUN GEAR 11 - REAR PLANETARY ANNULUS GEAR 24 - FREEWHEELING CLUTCH F2 12 - DRIVING CLUTCH K3 25 - INPUT SHAFT 13 - FRONT PLANETARY CARRIER 26 - OUTPUT SHAFT A - ENGINE SPEED D - SECOND GEAR RATIO B - TRANSMISSION INPUT SPEED E - THIRD GEAR RATIO C - FIRST GEAR RATIO F - FIXED PARTS VA AUTOMATIC TRANSMISSION NAG1 - SERVICE INFORMATION 21 - 7 |