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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Extraction System Group Classifications
At this time, service units for extracting, cleaning and
filling refrigerant for motor vehicle A/C systems are available
on the market from various manufacturers.
Only certain service stations (with appropriate auxiliary
device and different adapters if nec
Fig. 189 Permitted ball position of the trailer hitch
Trailer towing weights
With a factory-installed or an aftermarket trailer
hitch, the maximum permissible trailer weight is
4,400 lbs (2,000 kg) The maximum permissible
unbraked trailer weight is 1,650 lbs (750 kg).
These specifications apply wh
