Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
General Information: Transmission
Transmission
The DSG transmission 02E is also called a double-clutch transmission. The engine torque is transferred to the transmission via the dual-mass flywheel. The transmission is built like a 6-gear manual transmission. The alternating hydraulic actuation of the two wet multi-plate clutches permits operation similar to that of an automatic transmission. The gears are engaged automatically or manually with the Tiptronic mode. Clutch pedal is not available.
Selector Mechanism
In contrast to the automatic transmission, the selector lever position is no longer transmitted mechanically to the transmission via the selector lever cable and Multi-Function Transmission Range (driving range sensor). Selector lever positions and shifts are transmitted via a separate control module in the selector mechanism to the transmission control module via the CAN-Bus. The shifter occurs without a cable. The selector lever cable is mechanically brought into the park brake in the selector lever position "P".
Transmission Fluid
The transmission fluid levels inside the transmission and inside the front final drive are checked and filled at the same time. Refer to TRANSMISSION FLUID, CHECKING AND FILLING .
- Exclusive use is to be made for the direct-shift gearbox 02E of the transmission fluid available from the Parts List. Using other oils can lead to function problems or can even cause the transmission to fail.
Shift Point Changes on Inclines and Declines
An additional gear change map automatically selects the gear changes for gradients dependent upon accelerator pedal position and driving speed.
- The gear change map for extreme uphill stretches is matched to engine output
- The gear change map for extreme downhill stretches is matched to the braking effect of the engine.
- Direct gear selection by way of the Tiptronic function permits utilization of engine braking action with a specific gear engaged, for example, on a downhill gradient with a trailer.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.