Allshift gearboxes: essential information, types, characteristics and technical parameters

Allshift is an automated manual transmission used by a range of Mitsubishi cars are equipped. It has an automatic and manual mode. In 2004 it was first used in the 6th generation Mitsubishi Colt models.

How Allshift works

The Allshift transmission works on the basis of a manual transmission, supplemented by electromechanical drives. This ensures automatic operation of the clutch and shifter. The drives are controlled via the electronics module, in which special software is installed. To shift to a lower gear, the driver moves the shift lever to the “-” position or to the “+” position to shift to a higher gear. To switch to automatic, the driver moves the lever to the “A” position.

The technical details of allshift transmissions

Index Manufacturer Number of gears Drive type Max. Displacement, l Applicable models
452 AMT; 453 AMT Getrag 6 Front wheel, all-wheel drive 1.3; 1.5 Mitsubishi Colt

Frequent defects of Allshift transmissions

  • Due to bugs in the software, shifting is accompanied by jerking and vibration. In some cases, the reverse gear cannot be engaged.
  • The clutch drive fails prematurely.
  • Rapid wear of the drums of the gearbox.
  • The brushes of the actuator motor wear out due to from oil entering the drum assembly, for example after an accident.