Audi A6 Typ 4G: A/C System, General Information
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Introduction
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 c
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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Various convenience and safety functions may be
available when the vehicle begins driving, depending
on vehicle equipment.
Starting on hills with the parking brake set
Requirement: the driver's door must be closed
and the driver's safety belt must be fastened.
To start driving comfortably when on
Applies to: vehicles with bag hooks
Fig. 69 Luggage compartment: storage hooks
You can also use the hooks to hang light purses,
bags, etc.
WARNING
The hooks can hold a maximum weight of 6.6
lbs (3 kg). Heavier objects are not adequately
secured. There is risk of personal injury.
Pass-through with s
