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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 Accelerator Mechanism

Overview - Accelerator Pedal Module 1 - Accelerator Pedal Module With Accelerator Pedal Position Sensor -G79- and Accelerator Pedal Position Sensor 2 -G185-   2.5 mbar (0.036 psi) Check using the Vehicle Diagnostic Tester. Refer to → Chapter "Accelerator Pedal Position

 Plenum Chamber Water Drain, Removing and Installing

Removing - Turn off the ignition. - Remove the plenum chamber cover -A-. Refer to → Body Interior; Rep. Gr.50; Bulkhead; Plenum Chamber Cover, Removing and Installing. - Depending on the engine and the vehicle version, if necessary loosen the lower plenum chamber

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