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
To complete the procedure, a second technician is required to be at the
following position.
Removing
- Remove the headliner. Refer to
→ Body Interior; Rep. Gr.70; Roof Trim Panels; Headliner,
Removing and Installing.
- Disconnect the connector -1-
from the Power Sun
Assembly Sequence
- Fold the valve -1- downward
-arrow A toward B-.
- Slide the valve with the wheel electronics attached through
the valve opening in the rim.
- Rotate the union nut -2- three
turns on the valve -1-.
- Tighten the union nut -2- until
the bar breaks with an au