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
Removing
WARNING
Follow all safety precautions when working on
pyrotechnic components. Refer to
→ Chapter "Safety Precautions for Pyrotechnic
Components".
Before handling pyrotechnic components (for example,
disconnecting the connector), the person handling it
must "discharge