Model with Longitudinally Installed Engine
Tread variance for models with a longitudinally installed
engine, such as A4, A5, A6, A7, A8, Q5, Q7, ...
The variance between the front and rear axle in this case
may not be more then 2 mm
Note
The technical background of the limitations are ther
Connection Diagram - Vacuum System
Caution
There is a risk that an engine malfunction may
occur.
When routing the vacuum lines, make sure they are
not kinked, twisted or pinched.
Note
Dark gray - vacuum supply line
Red = control line to the intake manifold runner control
vacuu