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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 Windshield wipers

Switching the windshield wipers on Fig. 45 Lever: windshield wipers Fig. 46 Lever: rear window wiper Move the lever to the corresponding position: (0) Windshield wipers off (1) Rain sensor/intermittent mode. The windshield wipers switch on once the vehicle speed exceeds approximately 2 mph (4

 Battery Test with Vehicle Diagnostic Tester

The Battery -A- can also be checked using the Vehicle Diagnostic Tester when it is installed and without being connected to a battery charger. Special tools and workshop equipment required Vehicle Diagnostic Tester Test Prerequisites No battery charger connected Battery -A- is connected. B

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