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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  Options and settings

Options Requirement: the playback view 1 fig. 138 must be displayed. Press More 18, or Requirement: a list with radio stations or podcasts must be displayed fig. 136. Press and hold an entry in the list until the Options menu appears. Depending on the selected source and vehicle equipment,

  Cooling Output, Checking

Cooling Output, Checking Special tools and workshop equipment required Vehicle Diagnostic Tester A standard thermometer (for temperature measurements, if necessary a thermometer with two measuring probes for simultaneous measurement, for example, for temperature on the right and left)

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