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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 Intake and Exhaust Valves

Valve Guides, Checking Special tools and workshop equipment required Dial Gauge Holder -VW387- Dial Gauge - 0-10mm -VAS6079- Procedure   Note If the valve is replaced during repair, use the new valve for measurement. Due to different stem diameters, only use an intake valve in the in

 Instrument Panel Central Tube

Overview - Instrument Panel Central Tube 1 - Bolt 20 Nm Quantity: 1 on the left and right side   Caution There is a risk of malfunctions do to a faulty ground connection. The counter threaded and contact surface must be free of paint, coating, and corrosion, the threaded con

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