Self Study Program 993603 – The Audi Q7 Power Transmission

VAG SSP 993603 . Audi Q7 – Power transmission by the inventor of the quattro. In addition to outstanding dynamics, the Audi Q7 powertrain concept ensures an impressive performance at high speeds, both on highway and off-road.

The permanent quattro four-wheel drive with asymmetric-dynamic torque split ensures maximum traction and cornering stability. These features are essential to good driving dynamics and active driving safety.

The newly designed 0AQ Transfer Case is a key feature of the power transmission system. The purpose of this SSP is to explain the design and function of this new system.


  • Overview
    • Powertrain concept
    • Subassemblies overview
  • Brief description of the transmission
    • 0AT/09D 6-Speed Automatic Transmission
  • Gear selector mechanism
    • Automatic Transmission Selector Mechanism
  • 0AQ Transfer Case
    • Design and Function of the 0AQ Transfer Case
    • Self-locking Center Differential
    • Components Overview/Design and Function
    • Asymmetric Basic Torque Distribution
    • Asymmetric-Dynamic Torque Distribution
    • Chain Drive
    • Lubrication
    • Oil Supply/Sealing
  • Service
    • Service/Special Tools
  • Useful information
    • Operating instructions
  • Self-Study Programs for the Audi Q7

The self-study program provides introductory information regarding the design and function of new models, automotive components or technologies.
The self-study program is not a Repair Manual!
All values given are intended as a guideline only and refer to the software version valid at the time of publication of the SSP.
For maintenance and repair work, always refer to the current technical literature.

Language: English
Format: PDF
Pages: 38

Self Study Program 993603 – The Audi Q7 Power Transmission PDF free online