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.
No
Overview - Air Filter Housing
1 - Air Duct
On the lock carrier
Remove any dirt, leaves and salt residue.
2 - Water Drain Hose
Clean
3 - O-Ring
Replace after rem
Work procedure may vary depending on the type of tools
selected (the tool-specific operating instructions should
therefore be followed).
The refrigerant circuit is to be discharged if parts of the
refrigerant circuit are to be removed, if there is any doubt
about the quantity of refrigerant i
Component Location Overview - Front Heater and A/C Unit Components,
"Low" or "Mid" A/C System
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
compone