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STANDARD DIFFERENTIAL DESCRIPTION The differential gear system divides the torque between the axle shafts. It allows the axle shafts to Each differential side gear is splined to an axle shaft. The pinion gears are mounted on a pinion OPERATION In operation, power flow occurs as follows: • The ring gear (bolted to the differential case) rotates the case • The differential pinion gears (mounted on the pinion mate shaft in the case) rotate the side gears • The side gears (splined to the axle shafts) rotate the shafts During straight-ahead driving, the differential pin- ion gears do not rotate on the pinion mate shaft. This When turning corners, the outside wheel must travel a greater distance than the inside wheel to Fig. 1 Differential Operation—Straight Ahead Driving 1 – IN STRAIGHT AHEAD DRIVING EACH WHEEL ROTATES AT 100% OF CASE SPEED 2 – PINION GEAR Fig. 2 Differential Operation—On Turns 1 – PINION GEARS ROTATE ON PINION SHAFT 3 - 18 TUBE, 181, AND 186 FBI AXLE XJ DESCRIPTION AND OPERATION (Continued) |