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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 Identification

Final Drive Identification Final Drive Identification, 0DB, 0D2 The 0DB Rear Final Drive Unit Is Assigned to the following Transmissions: 7-Speed Dual Clutch Transmission 0CK The 0D2 Rear Final Drive Unit Is Assigned to the following Transmissions: 8-Gear Automatic Transmission 0D5 AWD 8-Gea

 Valve Block 1 in Driver Seat -N475-/ Valve Block 1 in Front Passenger Seat -N477- and Air Cushions, Removing and Installing

Removing   WARNING Follow all safety precautions when working on pyrotechnic components. Refer to → Chapter "Safety Precautions for Pyrotechnic Components". Before handling pyrotechnic components (for example, disconnecting the connector), the person handling it must "discharge

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