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
Fig. 172 Driver's side B-pillar: tire pressure
label
Fig. 173 Tire pressure label
The correct tire pressure for tires
installed at the factory is listed on
a label. The label is located on the
B-pillar (driver's side) > fig. 172,
> fig. 173. The location may vary
depending on the model.
U
Work procedure may vary depending on the type of tools
selected (the tool-specific operating instructions should
therefore be followed).
The refrigerant circuit is to be discharged if parts of the
refrigerant circuit are to be removed, if there is any doubt
about the quantity of refrigerant i