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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 Vehicles with Restrictor, Receiver/Dryer and A/C Compressor Regulator Valve -N280-, Checking Pressures, Externally Regulated Compressor

General Information   Note Connect the Air Conditioning (A/C) service station. Refer to → Chapter "A/C Service Station, Connecting". Observe the test requirements. Refer to → Chapter "Pressures, Checking". If a malfunction occurs at only one evaporator in vehicles

 Online roadside assistance

Description Applies to: vehicles with online roadside assistance An online roadside assistance call1) is a combination of data transmission and a phone call. The data transmission from your vehicle forwards important information to the Audi service center, such as the vehicle and position data. 1) T

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