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Chapter 33

Chapter 33. Manual Transaxles. Transaxle Features. The transmission section is very similar to a RWD transmission. The transaxle also contains the differential gearsets. Transaxles have no cluster gear assembly. The input shaft drives the output shaft directly. Transaxle Power Flow.

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Chapter 33

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  1. Chapter 33 Manual Transaxles

  2. Transaxle Features • The transmission section is very similar to a RWD transmission. • The transaxle also contains the differential gearsets. • Transaxles have no cluster gear assembly. • The input shaft drives the output shaft directly.

  3. Transaxle Power Flow • Neutral • The input shaft is being turned by the engine. • The synchronizer collars are centered between their gear positions. • The drive gears are not locked to the output shaft. • No power is applied to the differential.

  4. Transaxle Power Flow (continued) • Forward gears • The gears on the input shaft are in constant mesh with those on the output shaft. • The synchronizer hub is splined to the output shaft. • When a gear is selected, the synchronizer collar engages the hub. • The power flows from the gear on the input shaft through the selected gear on the output shaft.

  5. Transaxle Power Flow (continued) • Reverse • Most transaxles use a sliding reverse gear. • The shift fork moves the sliding gear in mesh with a gear on the input shaft and one on the output shaft. • The additional gear causes the output shaft to turn in the opposite direction of the input gear.

  6. Purposes of the FWD Differential • To provide torque multiplication • To divide the torque between the drive axle shafts • To allow one drive axle to turn at a different speed than the other

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