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
The Battery -A- can also be checked using the Vehicle
Diagnostic Tester when it is installed and without being
connected to a battery charger.
Special tools and workshop equipment
required
Vehicle Diagnostic Tester
Test Prerequisites
No battery charger connected
Battery -A- is connected.
B
Overview - ATF System
Note
Coat O-rings and seals with ATF. Other types of lubrication leads to
faults in the transmission control module hydraulics.
1 - Transmission Fluid Pan
With integrated ATF filter
Removing and installing. Refer to
→ Chapter "Transmission Fluid P