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
General Information - Infrared System
The infrared system (9R1) supports the driver during trips
in the dark. The infrared system image shows in the instrument
cluster a thermal image of the area ahead of the vehicle. The
range of view of approximately 300 m extends well beyond the
range of the
Component Location Overview - Components Outside of Passenger
Compartment, Front Component Group "1"
Components on the vehicle front and in the engine
compartment
Note
Depending on vehicle equipment, there are different versions
of the A/C system for the Audi Q7. Make sure to use the corr