Audi Q5: A/C System, General Information
READ NEXT:
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 careful study
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
SEE MORE:
Air conditioning systems designed for refrigerant R12 are
only to be filled with refrigerant R134a if certain requirements
are fulfilled. Refer to
→ Chapter "Refrigerant Circuit, Converting R12 to R134a and
Servicing" and Repair manual: Air Conditioner with
R12 Parts 2 and 3. This repa
Removing
- Move the door window into the "closed" position.
- Remove the door trim panel. Refer to
→ Body Interior; Rep. Gr.70; Rear Door Trim Panels; Rear Door
Trim Panel, Removing and Installing.
- Remove the lower speaker. Refer to
→ Communication; R