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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Starting engine with the key
The ignition is switched on and the engine started
with the ignition key.
Fig. 99 Ignition key
Starting the engine
Insert the key into the ignition lock.
Hybrid drive: refer to the information for starting
the vehicle under.
Step on the brake pedal and move the sel
General Information
Ensure absolute cleanliness when working.
Wear safety goggles and gloves when working with refrigerant
and nitrogen.
Workshop extraction systems are to be switched on.
Use the service station to discharge the refrigerant
circuit, only then open screw connections and replac
