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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 Hydraulic System

Brake Fluid General Information Brake Fluid Is Hygroscopic, Meaning That It Has the Ability to Absorb Water and Moisture from the Air. If water has been absorbed, the boiling point will drop, for example, during high braking temperatures the brake fluid may develop steam bubbles and cause the bra

 Navigation System

General Information - Navigation System General Information - Navigation System, 7UG The navigation system is part of the Information Electronics Control Module 1 -J794- inside the glove compartment. Operation is performed via the Multimedia System Control Head -E380-. The navigation data is store

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