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
Special tools and workshop equipment
required
Trim Removal Wedge -3409-
Removing
- Remove the luggage fastening strap or the telescopic luggage
bar.
- Equipped on some models, front passenger side: remove the
spare tire bracket. Refer to
→ Chapter.
- Versions with 7 sea
Possible Refrigerant Circuit Concerns
Test Requirements
Electrical Equipment, vacuum system and air duct
fault-finding has not revealed any faults. Refer to Guided Fault
Finding for the A/C system ("OBD" or "Guided Fault Finding for
the A/C system"),
→ Wiring diagrams, Troubleshooting &