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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 Visual Inspection

  WARNING Risk of injury. Follow all warning messages and safety precautions. Refer to → Chapter "Warnings and Safety Precautions". Before any extensive measurements are taken, visually inspect the exterior of the battery, the connections, and the secure installation of the Battery

 Windshield washer system

Fig. 169 Motor compartment: washer fluid reservoir cap The windshield washer reservoir contains the cleaning solution for the windshield/rear window* and the headlight washer system fig. 169. The reservoir capacity can be found. To reduce the risk of lime scale deposits on the spray nozzles, use

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