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
Information on the Refrigerant Lines and A/C Compressor
Caution
Danger due to refrigerant coming out under pressure.
Danger of frost bite to skin and other parts of the
body.
Only loosen the connection point bolts when the
refrigerant circuit is empty.
Note
On most vehicles the
Guidelines for Clean Working Conditions
Thoroughly clean the connection points and the surrounding
area before loosening.
Clean the transmission and transmission components using
Cleaning Solution -D 009 401 04-.
Use lint-free cloths when cleaning, for example, the "WYPALL
X70/WORKHORSE" clot