R8 Quattro Coupe V10-5.2L (BUJ) (2010)
Shift Actuator - M/T: Service and Repair
Description and Operation
Shift Actuator, R Tronic Assembly Overview
CAUTION!
There is a risk of injury. The pressure in the R tronic hydraulic system may be up to 50 bar.
‹› Always reduce system pressure first before working on the R tronic hydraulic system. Refer to => [ Hydraulic System, R Tronic,
Building System Pressure ] See: Manual Transmission/Transaxle/Gearshift Actuating System - M/T/Service and Repair/Procedures.
Function:
Using the R tronic shift actuator, the gears are shifted like a manual transmission. The selector gate is selected via the Gear Selection Valve 1 (N284).
The selector shaft makes a rotating movement in the shift actuator. Changing the forward/back direction of the selector shaft causes the selector gate to
change. The Gear Selection Valve 2 (N285) shifts the odd-numbered gears. The Gear Selection Valve 3 (N286) engages the even gears and the
reverse gear.
1
Clutch Actuator Valve (N255)
‹› Removing and installing, refer to => [ Clutch Actuator Valve and Gear Selection Valves ] See: Removal and Installation/Clutch Actuator
Valve and Gear Selection Valves
‹› Depending on the vehicle, different versions are installed, with and without a strainer
2
Bolt
‹› 3.6 Nm