Audi Q5 Owners & Service Manuals

Audi Q5: A/C System, General Information

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 Introduction

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

 A/C Technology Basic Principles

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

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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 Belt tensioners

How safety belt pretensioners work In front, side and rear-end collisions above a particular severity and in a rollover, safety belts are tensioned automatically. The safety belts are equipped with safety belt pretensioners. The system is activated by sensors in front, side and rear-end collisions o

 How side curtain airbags work

Side curtain airbags can work together with side airbags to help reduce the risk of head and upper torso injuries for occupants who are properly restrained. Fig. 172 Illustration of principle: Inflated side curtain airbags on the left side The side curtain airbags inflate between the occupant and t

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