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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 Mechanically unlocking and locking the doors

All doors must be unlocked or locked separately if the central locking system fails. Fig. 21 Driver's door: door lock cylinder Fig. 22 Door: mechanically locking Unlocking or locking the driver's door with the mechanical key Remove the mechanical key. Insert the mechanical key into the slot u

 Visual Inspection

  WARNING Risk of injury. Follow all warning messages and safety precautions. Refer to → Chapter "Warnings and Safety Precautions". Before any extensive measurements are taken, visually inspect the exterior of the battery, the connections, and the secure installation of the Battery

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