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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Fig. 23 Display: Danger symbol
With a priority 1 malfunction, a red symbol appears in the upper center area
of the display > fig. 23. A driver message appears as well to ex plain the
malfunction in more detail. When this symbol appears, three warning tones sound
in succession. The symbol co
Overview - Dynamic Steering
Note
Additional information on dynamic steering can be found in Audi
Dynamic Steering Self Study Program No. 402.
1 - Power Steering Pump
With an electric control valve depending on the engine
The control valve is installed in gasoline engines only.