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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 Fiber-Optic Cable, Preparing with the Fiber-Optic Conductor Repair Set -VAS6223A-

Special tools and workshop equipment required Fiber-Optic Conductor Repair Set -VAS6223A- Hose Cutting Pliers -VAS6228- Vehicle Diagnostic Tester   Caution Do not bend the fiber-optic cable too much. The bending radius must be no less than 25 mm. Fiber optic cables must not be routed o

 Refrigerant Oil

General Information   Caution When handling refrigerant oil, pay attention to local regulations. Refrigerant oil mixes with the refrigerant (about 20-40%, depending on compressor type and amount of refrigerant) and circulates constantly in the system, lubricating the moving parts. Special

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