Audi Q7 Owners & Service Manuals

Audi Q7: A/C System, General Information

Audi Q7 (4M) 2016-2025 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 Vehicle Pay Attention to the Following to Avoid Personal Injury and Vehicle Damage:   WARNING Risk of injury and accident by accidentally engaging a selector lever position with the engine running. Shift the transmission into "P" and set the parking brake

 Cylinder Head

Overview - Cylinder Head   Note The cylinder head for cylinder bank 2 (left) is shown in the illustration. 1 - Cylinder Head Gasket Replacing. Refer to → Chapter "Cylinder Head, Removing and Installing". Installation position: the part number faces the cylinder head Cha

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