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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  Adding engine oil

Fig. 149 Engine compartment: engine oil filling opening cover (example) Observe the safety precautions. Turn the engine off. Open the hood. Unscrew the cap for the engine oil filler opening fig. 149. Carefully add 0.5 quart (0.5 liter) of the correct oil. Check the oil level again after

  Driver Side Airbag Crash Sensor -G179-/ Front Passenger Side Airbag Crash Sensor -G180-, Removing and Installing

Driver/Front Passenger Side Airbag Crash Sensor -G179-/-G180-, Removing and Installing, USA and Canada Market-Specific Removing   WARNING Follow all safety precautions when working with pyrotechnic components. Refer to → Chapter "Pyrotechnic Components Safety Precautions".

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