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
SEE MORE:
Information on Releasing and Disassembling Connector Housings
Note
Observe general notes for repairs on the vehicle electrical
system. Refer to
→ Chapter "Vehicle Electrical System, General Repair
Information".
Always use the release tools intended for the releasing
process. Un
Observe the test requirements. Refer to
→ Chapter "Test Requirements".
- Turn off the ignition.
- Connect the A/C service station. Refer to
→ Chapter "A/C Service Station, Connecting".
Vehicles with an electric operated valves in the refrigerant
circuit, which cannot be
