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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Overview - Control Module and Hydraulic Unit
1 - ABS Hydraulic Unit -N55- with ABS Control Module -J104-
Installed location: in the front left engine compartment.
Refer to
→ Chapter "ABS Control Module -J104-/ABS Hydraulic Unit -N55-, Removing
and Installing".
The hydraulic c
Before changing a wheel
Observe the following precautions for your own
and your passenger's safety when changing a
wheel.
After you experience a tire failure, pull the car
well away from moving traffic and try to reach
level ground before you stop.
All passengers should leave the car and move
