Even a small amount of contamination can lead to
malfunctions. Therefore, observe the following guidelines for
cleanliness when working on the A/C system:
Immediately seal the open lines and conne
The coolant circuit is bled according to specifications.
Refer to
→ Rep. Gr.19; Coolant System/Coolant; Coolant, Draining and
Filling
The engine is warm (the coolant temperature is h
Note
Depending on vehicle equipment, there are different versions
of the A/C system for the Audi Q7. Make sure to use the correct
version and pay attention to the allocation of different
Tests and Test Requirements
Special tools and workshop equipment
required
Brake Servo Tester -VAS6721-
The following checks will be helpful when performing Fault
Finding in case of complaints regarding the brake booster or the
so-called "hard brake pedal".
The following components are included
Overview - Valvetrain
Note
Cylinder heads with cracks between the valve seats or between valve
seat ring and spark plug thread can still be used without loss of
service life if the cracks are minute (max. 0.3 mm width) or only the
first four threads of a spark plug thread are cracked.