Audi Q7 Owners & Service Manuals

Audi Q7: A/C System, General Information

Audi Q7 (4M) 2016-2026 Workshop Manual / Heating, Ventilation & Air Conditioning / Refrigerant R134a Servicing / A/C System, General Information

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 General Information

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 c

 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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 Safety Precautions

Safety Precautions when Working on Start/Stop System   WARNING The engine could start automatically and cause serious personal injury on vehicles with a Start/Stop System. The engine may start automatically on vehicles with the Start/Stop System activated (recognizable by a message in t

 Software update

Introduction Applies to: vehicles with software update You can update your vehicle's software. The functions depend on the country and vehicle equipment: Update through the online system update Map material update for the navigation system Have the software update performed by an authorized Aud

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