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
Applies to: vehicles with navigation system
Fig. 152 Alternative routes in the overview map
Opening alternative routes
Requirement: route guidance must be started
and the map must be displayed
Press on in the side menu
on the map fig. 149.
Current route
The distance to the destination and
Capacities
Refrigerant R134a and refrigerant oil. Refer to
→Fluid Capacity Tables; Rep. Gr.03.
Note
Pay attention to the different capacities for refrigerant
R134a in vehicles without a rear heater and A/C unit (with an
evaporator) and in vehicles with a rear heater and A/C unit
(w