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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Note
Cleaning the refrigerant circuit means flushing with
refrigerant R134a. Refer to
→ Chapter "Refrigerant Circuit, Cleaning (Flushing), with
Refrigerant R134a".
If a faulty A/C compressor is replaced with an A/C
compressor from another manufacturer check for the A/C
compres
Special tools and workshop equipment
required
Puller - Multiple Use -VW391-
Puller - Unit Injector -T10055-
-2-Puller - Unit Injector -
Adapter 2 -T10055/2-
Two M 8 x 30 Bolts
Seal Installer - Hollow Shaft -T10380-
Seal Installer - Input Shaft -T40222-
Seal Installer - Input Shaft - Guide
