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
Connector Couplings, Disconnecting
Connector Coupling Allocation
Note
The connector couplings for fuel, vacuum and breather lines are color-coded.
There is either a colored dot on the connector coupling, or the release button
has the corresponding color.
Color Coding
WARNING
Th
Overview - Charge Air System
1 - Seal
Replace after removing
2 - O-Ring
Replace after removing
Coat with engine oil when installing the charge air cooler
3 - O-Ring
Replace after removing
Coat with engine oil when installing the charge air cooler
4 -&nb