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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 Belt Pulley, Removing and Installing, Valeo A/C Compressor

  Note On A/C compressors with part number 1K0 820 803 as of index "N", the drive plate splines are bonded to Air Conditioning (A/C) compressor shaft splines, removing drive plate. Refer to → Chapter "Belt Pulley, Removing and Installing, Valeo A/C Compressor". On A/C comp

 Airbag Fasteners, Checking After a Collision

All damaged securing pieces must be replaced, you cannot reshape components or "make them fit". The following components must be checked after every airbag deployment. With a passenger airbag deployment: Instrument panel central tube, passenger airbag supports and passenger airbag must b

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