Audi Q7 Owners & Service Manuals

Audi Q7: A/C System, General Information

Audi Q7 (4M) 2016-2025 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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 Overview - Pneumatic System

Overview - Pneumatic System, Compressor 1 - Driver Multi-Contour Seat Compressor -V439- with integrated Driver Multi-Contour Seat Control Module -J873- Front passenger side: Front Passenger Multi-Contour Seat Compressor -V440- with integrated Front Passenger Multi-Contour Seat Contro

 Brake fluid

Fig. 167 Motor compartment: cap on brake fluid reservoir Observe the safety precautions, General information. Checking the brake fluid level The brake fluid reservoir is located under a cover on the driver's side. Park the vehicle on a level surface. Lift the cover fig. 164 at both openings an

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