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Transmissions/Driveline
Transmission and Driveline
The Audi R8 is equipped a 6-speed transmission (manual
or R-tronic) which delivers a torque output of up to 443
Lb-ft (600 Nm). Both transmissions use a double-disc dry
clutch. The clutch assembly (pressure plate and discs)
can only be replaced as a single unit due to balancing
and riveting. Clutch control has some variation between
the two transmission versions.
The difference between the two is the manual system
uses a clutch pedal, clutch master cylinder, and lines to
the slave cylinder; however, the R-tronic system uses
an electro-hydraulic unit (controlled by Transmission
Control Module J217) which replaces the clutch pedal
and the clutch master cylinder.
The R8 driveline includes a limited slip differential and a
viscous clutch.
Viscous
Coupling
Limited Slip
Differential
Transmission
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