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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 Cooling Output, Checking

Special tools and workshop equipment required Vehicle Diagnostic Tester with the "Guided Fault Finding" function and the corresponding connection lines. Refer to Workshop Equipment. A standard thermometer (for temperature measurement; if necessary, a thermometer with two measuring probes for

 Rear Lid Lock Button in Luggage Compartment -E406-, Removing and Installing

Depending on vehicle equipment the Locking Mechanism Button in the Rear Lid -E806- is integrated in the Rear Lid Lock Button in Luggage Compartment -E406-. If faulty the complete button unit must be replaced. Removing - Release the clips on the button -1- in direction of -arrows-. - 

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