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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Special tools and workshop equipment
required
Torque Wrench 1331 5-50Nm -VAG1331-
Piston Resetting Tool -T10145-
Brake 1LB/1LC with Shims. Refer to → Chapter "Brake Pads, Removing and
Installing, Brake 1LB/1LC with Shims"
If old brake pads are being replaced with new ones, then it is ne
Special tools and workshop equipment
required
Digital Torque Wrench -VAG1756A-
Loosen the threaded connection between the drive axle and
wheel hub
- With vehicle still standing on its wheels, loosen bolt a
maximum of 90º, otherwise wheel bearing will be pre-damaged.
- Lift the vehic
