Introduction
The purpose of this repair manual is to provide service
advisors and technicians with the basic knowledge needed to
ensure professional and competent procedures.
Note
Only the c
Physical Principles
The four known states of water also apply to air
conditioning system refrigerants.
1 - Gaseous (invisible)
2 - Vapor
3 - Liquid
4 - Solid
Refrigerant R134a Physical Data
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as ref
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 components. Refer to → Chapter "A/C
System Versions" and Parts Catalog.
The Left Center V
Removing
- Remove the front door trim panel. Refer to
→ Body Interior; Rep. Gr.70; Front Door Trim Panels; Front Door
Trim Panel, Removing and Installing.
- Disconnect the connector -1-.
- Release the catch -arrow B- on
the cable -2- downward from the
support brack