Audi Q5: A/C System, General Information
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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 careful study
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
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Special tools and workshop equipment
required
Trim Removal Wedge -3409-
Removing
- Pry the instrument panel side cover
-1- off using the Trim Removal Wedge -3409--arrow-
and remove it.
Installing
- Press the instrument panel side cover on until it engages
audibly.
Instrument Panel
How safety belt pretensioners work
In front, side and rear-end collisions above a
particular severity and in a rollover, safety belts
are tensioned automatically.
The safety belts are equipped with safety belt
pretensioners. The system is activated by sensors
in front, side and rear-end collisions o