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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 Keys

Key set Fig. 24 Your vehicle key set Fig. 25 Vehicle key: PANIC button The key set includes two vehicle keys when delivered from the factory. Vehicle key You can unlock and lock your vehicle with the vehicle key. To fold the key out, press the release button fig. 24. If necessary, you can use

 Receiver/Dryer, Removing and Installing

  WARNING Danger due to refrigerant coming out under pressure. Danger of frost bite to skin and other parts of the body. Extract the refrigerant and immediately open the refrigerant circuit after that. If the refrigerant was extracted more than 10 minutes in the past and the re

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