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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New engine
The engine needs to be run-in during the first 1,000 miles (1,500 km).
For the first 600 miles (1,000 kilometers):
Do not use full throttle.
Do not drive at engine speeds that are more than 2/3 of the maximum
permitted RPM.
From 600 to 1,000 miles (1,000 to 1,500 kilometers):
Spee
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
