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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Applies to vehicles: with Start-Stop-System
Fig. 104 Instrument duster: Engine switched off (stop
phase)
Slow the vehicle to a stop using the brake and
keep pressing the brake pedal. The engine will
switch off. The
indicator light appears in the
instrument cluster display and
also
appears
Contact Surface Cleaning Set -VAS6410-, Using
The Contact Surface Cleaning Set -VAS6410- makes optimal
repair quality possible in the realm of vehicle electronics.
Using the tools, service work can be performed in the area of
the contact sensor on the threaded connection wiring harnesses
in the