What is a Direct-Shift Gearbox?
A direct-shift gearbox, commonly abbreviated to DSG, is an electronically controlled dual-clutch multiple-shaft gearbox in a transaxle design, with automatic clutch operation and with fully automatic or semi-manual gear selection. The first actual dual-clutch transmissions were derived from Porsche in-house development for their Model 962 racing cars in the 1980s.
In simple terms, a DSG automates two separate “manual” gearboxes (and clutches) contained within one housing and working as one unit. It was designed by BorgWarner and is licensed to the Volkswagen Group, with support by IAV GmbH. By using two independent clutches, a DSG can achieve faster and eliminates the torque converter of a conventional epicyclic automatic transmission.
Source: Wikipedia
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Common DSG Faults
Below are some issues with DSG transmissions that are common:
DQ250 DSG 6 Speed Wet Clutches
- Mechatronic Unit (losing gears, harsh engagement, doesn’t go into drive)
- Dual Clutch (slipping gears, switching into neutral)
Note that it is very important to do an oil an filter service every 50 000km.
DQ200 DSG 7 Speed Dry Clutches
- Mechatronic Hydraulic Pressure (error codes about insufficient pressure, pump play protections)
- Solenoids, Valves and Sensor Faults
- Clutch Slipping or Shudder
Note that it is very important to do an oil an filter service every 50 000km.
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