Audi Q5: A/C System, General Information
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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
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Pull the hood down until the pressure from the
struts is reduced.
Let the hood drop down and latch in place. Do
not try to push it shut; it may fail to engage.
WARNING
A hood that is not completely latched could
fly up and block your view while driving.
When you close the engine hood, check
Observe the following with regard to service station
operation. Refer to the Parts Catalog (Tools; Special Tools and
Equipment: A/C and Heating).
- The filters and dryers installed must be replaced at the
latest on completion of the service life specified in the
relevant operating instructi