Audi Q7 Owners & Service Manuals

Audi Q7: 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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 Laws and Regulations

General Information   Note The laws and regulations listed below are applicable in Germany. Different or additional laws and regulations may apply in other countries. The effects of climate change can be seen worldwide. Protecting the climate is one of the most important responsibilities.

 Air Line, Servicing

  Note Both rear axle air lines (blue and black) are completely replaced if there is a damage claim. The repair of a damaged line is not permitted. The front axle and pressure reservoir air lines are routed in the wiring harness and can be repaired. Special tools and workshop equipment

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