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Get 1999-2005 Audi A2 SUV Handbook, User Manuals & Guides

Warning instructions when working on vehicles with high-voltage system

Working on vehicles with high-voltage system (hybrid vehicles)

Visual inspection of high-voltage components and wiring for damage

General information on air conditioning systems

Safety precautions for vehicles with start/stop system

Other reference material

Principles of air conditioning systems

Refrigerant R134a

Properties of refrigerant R134a

Refrigerant oil

How air conditioning works

General work safety

Product properties

Handling refrigerant

Handling pressure vessels

Safety regulations for working with extraction and charging systems

Safety measures for working on vehicles with air conditioning system and for handling refrigerant R134a

Basic rules for working on refrigerant circuit

Before using air conditioner after system has been re-charged

General information on refrigerant circuit

Components of refrigerant circuit

Layout of components of refrigerant circuit and their influence on high-pressure and low pressure sides

Design of refrigerant circuit

Refrigerant circuit with electrically driven air conditioner compressor

Connections for quick-release coupling in refrigerant circuit

Switches and senders in refrigerant circuit and related connections

Electrical components not installed in refrigerant circuit

Pressures and temperatures in refrigerant circuit

Tests and measurements performed with pressure gauge

Air conditioner service and recycling units

Repair notes for refrigerant circuit

Laws and regulations

Laws and regulations

Refrigerant circuit

Important repair notes for air conditioning systems

Converting refrigerant circuits from refrigerant R12 to refrigerant R134a

Working with the air conditioner service station

Blowing out refrigerant circuit with compressed air and nitrogen

Cleaning (flushing) refrigerant circuit with refrigerant R134a

Tracing leaks in refrigerant circuit

Problems with refrigerant circuit

Possible complaints about refrigerant circuit

Connecting air conditioner service station

Connecting air conditioner service station - vehicles with a connection on the low-pressure and high-pressure side of the refrigerant circuit

Connecting air conditioner service station - vehicles with no connection on the low-pressure side of the refrigerant circuit

Checking pressures

Checking pressures in refrigerant circuit with air conditioner service station (with ignition switched off)

Checking pressures - vehicles with restrictor and reservoir (with internally regulated air conditioner compressor)

Checking pressures - vehicles with expansion valve and receiver (with internally regulated air conditioner compressor)

Checking pressures - vehicles with restrictor, reservoir and air conditioner compressor regulating valve N280 (with externally regulated air conditioner compressor)

Checking pressures - vehicles with expansion valve, receiver and air conditioner compressor regulating valve N280 (with externally regulated air conditioner compressor)

Checking pressures - vehicles with electrically driven air conditioner compressor (vehicles with high-voltage system)

Renewing components of refrigerant circuit

Renewing components

Capacities for refrigerant R134a/refrigerant oil and approved refrigerant oils

Capacities for refrigerant R134a

Approved refrigerant oils and refrigerant oil capacities

Test equipment and tools

List of testers, tools and materials

Tools and materials available from regional sales centre or importer

Commercially available tools and materials

Improvised tools

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