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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Tests and Test Requirements
Special tools and workshop equipment
required
Brake Servo Tester -VAS6721-
The following checks will be helpful when performing Fault
Finding if there are complaints regarding the brake booster or
the so-called "hard brake pedal".
The following components are includ
WARNING
Risk of injury. Follow all warning messages and
safety precautions. Refer to
→ Chapter "Warnings and Safety Precautions".
WARNING
Do not check or charge a Battery -A- when the visual
indicator has "no color or is
bright yellow". Jump starting must not be used!
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