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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 Malfunction Determination if Cooling Output of Front A/C System is OK but Required Values not Achieved in Rear

  Note Depending on vehicle equipment, there are different versions of the A/C system for the Audi Q7. Make sure to use the correct version and pay attention to the allocation of different components. Refer to → Chapter "A/C System Versions" and Parts Catalog. Perform only on vehicl

 Protective Diode -J201-, Removing and Installing

Removing - Disconnect the ground cable from the battery when the ignition is switched off. Refer to → Chapter "Battery, Disconnecting and Connecting". - Remove the front sill panel. Refer to → Body Interior; Rep. Gr.70; Vehicle Interior Trim Panels; Sill Panel,

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