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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 Drive Axle, Disassembling and Assembling

Drive Axle, Disassembling and Assembling, Triple Roller Joint AAR 3300i Special tools and workshop equipment required Press Plate -VW401- Press Plate -VW402- Press Piece - Rod -VW408A- Press Piece - Rod -VW411- Press Piece - 37mm -VW416B- Press Piece - Multiple Use -VW447H- Slide Hammer Set

 Windshield Defogger Control Module -J505-, Removing and Installing

  Note Information regarding the Windshield Defogger Control Module -J505- and activation of the Windshield Defogger -Z2-. Refer to → Chapter "Windshield Defogger". Removing - Turn off the ignition. - Remove the glove compartment. Refer to → Body Interior; Rep. G

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