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:
Information Electronics Control Module 1 -J794-
1 - Antenna Connection (GSM) from the Roof Antenna -R216-
2 - Connection block with four multipin connectors
3 - MOST Bus
4 - Not Assigned
5 - 4-pin connector (T4am) for the Front Information Display
C
Be very careful when adding engine coolant.
Before you check anything in the engine compartment, always read and heed all
WARNINGS.
Requirement: There must be a residual amount of coolant in the expansion
tank.
Turn off the engine.
Let the engine cool down.
Place a thick rag over the coolant e
