Allshift transmission: essential information, types, features & technical parameters

Allshift transmission: essential information, types, features & technical parameters

Allshift is an automated manual transmission installed on some Mitsubishi cars. It can operate in both automatic and manual modes. It debuted on the 6th generation Mitsubishi Colt cars in 2004.

How the Allshift works

The Allshift transmission is based on a manual gearbox, to which electromechanical actuators are added. They ensure the automatic operation of the clutch assembly and the gear selector mechanism. Actuators are controlled by the electronic control unit with a specialised firmware. In order to shift down, the driver pushes the gear lever to the “-” position, or to “+” to shift up. To switch to automatic, the driver moves the lever to the position marked “A”.

Technical characteristics of Allshift transmissions

Gearbox codeManufacturerNumber of speedsCar layoutMax engine capacity, LModel applications
452 AMT; 453 AMTGetrag6FWD, AWD1.3; 1.5Mitsubishi Colt

Common malfunctions of Allshift transmissions

  • Due to software errors, shifting is accompanied by jerks and vibrations. Sometimes the reverse gear cannot be engaged.
  • The clutch actuator breaks down prematurely.
  • The transmission drums wear out fast.
  • The brushes of the actuator motor wear out due to oil leaking into the drum assembly, for instance after a road accident.
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