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Home >> Chevrolet >> 2007 >> Optra LS, Standard >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle - ZF 4HP 16 - Specifications, Component Locations And Repairs >> Description and Operation >> Reverse >> Notes

Description and Operation: Reverse: Notes

In Reverse, the transaxle drive is through the input shaft and clutch B. The elements of this transaxle operation are as follows:

  1. Clutch B is engaged and drives the reverse sun gear in a clockwise direction.
  2. The D band is engaged and holds the planetary gear carrier stationary, causing the differential pinion to rotate clockwise.
  3. The differential rotates in a counterclockwise direction.
  4. The output shaft is driven in a counterclockwise, or reverse, direction.