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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Fig. 199 Engine compartment: cover on the engine oil filler
neck
Before you check anything in the engine compartment,
always read and heed all WARNINGS.
Shut the engine off.
Unscrew the cap to the
engine oil filling
hole > fig. 199, > fig. 197.
Carefully top off with 0.5 quarts (0.5 l
Infant seats
Babies and infants up to about one year old and
20 lbs. or 9 kg need special rearward-facing
child restraints that support the back, neck and
head in a crash.
Fig. 174 Schematic overview: rearward-facing infant seat,
properly installed on the rear seat
When using the vehicle safety b
