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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 Power windows

Opening and closing the windows Fig. 35 Driver's door: power window switch Power window switches: Left front door Right front door Left rear door Right rear door Opening and closing the windows The driver can control all power windows. All power window switches are equipped with a twostage fu

 Rear Window Defogger

Rear Window Defogger -Z1-, Checking, Vehicles with Manual Climate Control System (Heater without A/C System) Procedure The rear window defogger is switched on via the button -2- on the A/C Control Module -J301- (the Heater Control Module -J65-) control head.   Note By pressing the

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