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Home >> Chevrolet >> 2005 >> Aveo Base, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Automatic Transmission - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Description and Operation >> Reverse >> Notes

Description and Operation: Reverse: Notes

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Reverse

Position Solenoid Clutch Brake 1-Way Clutch
Shift 1 Shift 2 Timing C1 C2 C3 B1 B2 B3 F1 F2
R V is less than 9 km/h (5 mph) ON ON ON OFF OFF ON OFF OFF ON OFF OFF
  V is greater than or equal to 9 km/h (5 mph) ON ON ON OFF OFF OFF OFF OFF OFF OFF OFF
Fig 1: Reverse Schematics
GM1248566Courtesy of GENERAL MOTORS CORP.

A. Front Planetary Gear

B. Rear Planetary Gear

Reverse Gear

  1. The input shaft rotates clockwise.

    The reverse clutch (C3) operates. Connect the input shaft to the rear planetary sun gear.

  2. The planetary long pinion rotates itself counterclockwise.
  3. The 1st and reverse brake (3) operates. Lock rotates the planetary carrier.
  4. The ring gear rotates counterclockwise.
  5. The counter drive gear rotates counterclockwise for the ring gear and one.
  6. The counter driven gear rotates clockwise.
  7. The differential gear drive pinion rotates clockwise for the counter driven gear and one.
  8. The differential gear rotates counterclockwise.