Audi Q3 Owners & Service Manuals

Audi Q3: A/C System, General Information

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  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 careful s

  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 - S

  Refrigerant Oil

General Information   Caution When handling refrigerant oil, pay attention to local regulations. Refrigerant oil mixes with the refrigerant (about 20-40%, depending on compressor type a

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  Additional safety belt functions

Belt retractor lock The safety belts on the rear seats and on the front passenger seat are equipped with a belt retractor lock. If you secure a child safety seat with a safety belt, the belt retractor lock on the safety belt may need to be activated. Follow the instructions from the child safet

  Sensors

Overview - Front Axle Speed Sensor 1 - Wheel Speed Sensor Right Front ABS Wheel Speed Sensor -G45-/Left Front ABS Wheel Speed Sensor -G47- Removing and installing, refer to → Chapter "Right/Left Front ABS Wheel Speed Sensor -G45-/-G47-, Removing and Installing". 2&

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