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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 Spring, Removing and Installing

Spring, Removing and Installing, Coil Spring Special tools and workshop equipment required Pneumatic/Hydraulic Foot Pump -VAS6179- Spring Tensioning System -VAS6274- 30 mm long centering spring -5- from the Spring Tensioning System - Audi Set -VAS6274/10- Supplement Set VAS6274/12 -VAS6274/12

 High Pressure Sensor -G65-, Checking, Removing and Installing

High Pressure Sensor -G65-, Removing and Installing   WARNING Danger due to refrigerant coming out under pressure when there is a faulty valve in the refrigerant circuit. Danger of frost bite to skin and other parts of the body. If the refrigerant starts to leak out of the refrigerant li

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