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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 Rear Brake Caliper

Overview - Rear Brake Caliper 1 - Protective Cap Refer to → Chapter "Brake Caliper Piston, Removing and Installing" 2 - Brake Caliper Piston Refer to → Chapter "Brake Caliper Piston, Removing and Installing" Thinly coat with Lithium Grease -G 052 150 A2- 3

 Tires, Rolling Noises

Tires, Rolling Noises, General Information Rolling noise perceived by the human ear is caused by vibrations transmitted from the noise source to the ear via the air. Here we are interested in noises created by certain characteristics of the tires as well as the effects of rolling (noise source).

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