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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 Fan Shroud, Removing and Installing

Special tools and workshop equipment required Coolant Collection System -VAS5014- or Shop Crane - Drip Tray -VAS6208-   Caution This procedure contains mandatory replaceable parts. Refer to component overview prior to starting procedure. Mandatory Replacement Parts O-rings - Left and

 Refrigerant Circuit Pressures and Temperatures

General Information   Caution When performing work on refrigerant circuit, observe all generally applicable safety precautions and pressure container regulations. The pressures and temperatures in the refrigerant circuit depend on the current operating conditions (such as engine RPM, cool

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