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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 Power windows

Opening and closing the windows Fig. 32 Driver's door: power window switch Power window switches: Left front door Right front door Left rear door Right rear door Opening and closing the windows The driver can control all power windows. All power window switches are equipped with a twostage f

 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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