Manual sections

Wiring diagrams

• Abbreviations
• Accessories Control Systems
• Air Conditioning
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• Cooling System (Mechanical)
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• Engine Performance
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• Mechanical - Hydraulic
• Metric Conversions
• Mirrors
• Mode 6
• Multiport Fuel Injection (Mfi) - 3.7L & 4.2L V8 4V (Aew, Abz)
• Oem General Information
• On Board Diagnostic (OBD) - Abs/edl/asr
• On Board Diagnostic (OBD) - Abs/edl/asr: Diagnosis
• On Board Diagnostic (OBD) - HVAC, CAN & Defrosters
• On Board Diagnostic (OBD) - Instrument Cluster & Headlights
• On Board Diagnostic (OBD) - Radio, Navigation, Steering & Telematics
• Procedures
• Reset Procedures
• Restraints
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• Specifications
• Starter
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• Suspension Rear
• Timing Belt
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• Transmission
• Warning System
• Wheel & Tire System
• Wheel Alignment
• Windows
• Wiper/washer Systems

Repair manual

Air Conditioning Audi A8 D2 facelift

Step-by-step instructions on "Air Conditioning" for Audi A8 D2 facelift (1999–2002). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

114subsections

114articles

115illustrations

A/C refrigerant system (R-134a), safety measures

1 article

• A/C refrigerant system (R-134a), safety measures

A/C refrigerant system, general repair guidelines

1 article

• A/C refrigerant system, general repair guidelines

Commercial designation

1 article

• Commercial designation

Color

1 article

• Color

Airborne properties

1 article

• Airborne properties

Solubility of refrigerant oil

1 article

• Solubility of refrigerant oil

Effects on the environment

1 article

• Effects on the environment

Toxicity

1 article

• Toxicity

Temperature/pressure relationship

1 article

• Temperature/pressure relationship

Effects on plastics

1 article

• Effects on plastics

Effects on metal

1 article

• Effects on metal

Critical temperature/critical pressure

1 article

• Critical temperature/critical pressure

Water solubility

1 article

• Water solubility

Flammability

1 article

• Flammability

Refrigerant containers

1 article

• Refrigerant containers

Leak detection

1 article

• Leak detection

A/C refrigerant oil (PAG), properties

1 article

• A/C refrigerant oil (PAG), properties

Refrigerant system with restrictor and accumulator

1 article

• Refrigerant system with restrictor and accumulator 1

A/C compressor

1 article

• A/C compressor 1

A/C condenser

1 article

• A/C condenser 1

Evaporator

1 article

• Evaporator 1

Accumulator

1 article

• Accumulator 1

Restrictor

1 article

• Restrictor 1

O-rings

1 article

• O-rings 1

Hoses and lines

1 article

• Hoses and lines

A/C refrigerant system (R-134a), valves and switches

1 article

• A/C refrigerant system (R-134a), valves and switches

Pressure relief valve

1 article

• Pressure relief valve 1

Function

1 article

• Function 1

A/C refrigerant high pressure switches -F23- and -F118

1 article

• A/C refrigerant high pressure switches -F23- and -F118

Function of -F23

1 article

• Function of -F23

Function of -F118

1 article

• Function of -F118 1

Valve connections for pressure switches

1 article

• Valve connections for pressure switches 1

Connections for quick coupling adapter on refrigerant circuit

1 article

• Connections for quick coupling adapter on refrigerant circuit

High pressure service connection with Schrader valve

1 article

• High pressure service connection with Schrader valve 1

A/C refrigerant system (R-134a), pressure & temperature relationships

1 article

• A/C refrigerant system (R-134a), pressure & temperature relationships 1

Refrigerant circuit with restrictor and accumulator

1 article

• Refrigerant circuit with restrictor and accumulator 1

Contact corrosion!

1 article

• Contact corrosion!

A/C system refrigerant system, servicing

1 article

• A/C system refrigerant system, servicing 1

Switch -F23

1 article

• Switch -F23 1

Switch -F118

1 article

• Switch -F118

Removing and installing

1 article

• Removing and installing 1

A/C pressure switch -F129-, functions

1 article

• A/C pressure switch -F129-, functions 1

Switching pressures (in bar)

1 article

• Switching pressures (in bar) 1

O-rings for refrigerant system

1 article

• O-rings for refrigerant system 1

A/C compressor from mounting bracket, removing and installing

1 article

• A/C compressor from mounting bracket, removing and installing

Nippondenso compressor

1 article

• Nippondenso compressor 1

Removing and installing clutch plate bolt

1 article

• Removing and installing clutch plate bolt 1

Pulling off clutch disc

1 article

• Pulling off clutch disc 1

Installing magnetic coil

1 article

• Installing magnetic coil 1

Checking and adjusting gap

1 article

• Checking and adjusting gap

Automatic Climate Control components in engine compartment, servicing

1 article

• Automatic Climate Control components in engine compartment, servicing 2

Sensor for air quality -G238-, function

1 article

• Sensor for air quality -G238-, function

Preparation

1 article

• Preparation 8

Sensor for air quality -G238-, removing and installing

1 article

• Sensor for air quality -G238-, removing and installing 2

Air flow flap motor -V71-, removing and installing

1 article

• Air flow flap motor -V71-, removing and installing 6

Recirculation flap motor -V113-, removing and installing

1 article

• Recirculation flap motor -V113-, removing and installing 2

Control module for fresh air blower -J126-, removing and installing

1 article

• Control module for fresh air blower -J126-, removing and installing 1

Pump valve unit, removing and installing

1 article

• Pump valve unit, removing and installing 4

Pump valve unit, replacing

1 article

• Pump valve unit, replacing 1

Dust and pollen filters, removing and installing

1 article

• Dust and pollen filters, removing and installing 2

Automatic Climate Control components in passenger compartment, servicing

1 article

• Automatic Climate Control components in passenger compartment, servicing 1

A/C control head -E87-, removing and installing

1 article

• A/C control head -E87-, removing and installing 1

Changes to model year 2000 vehicles

1 article

• Changes to model year 2000 vehicles 1

For A/C control head with part numbers beginning with Index "M"

1 article

• For A/C control head with part numbers beginning with Index "M" 5

Checking

1 article

• Checking 3

Heater cores, removing and installing

1 article

• Heater cores, removing and installing 1

Passenger-side heater core, removing and installing

1 article

• Passenger-side heater core, removing and installing 3

Version "1" heater core, removing

1 article

• Version "1" heater core, removing 1

Version "2" heater core, removing

1 article

• Version "2" heater core, removing 1

Version "1" heater core, installing

1 article

• Version "1" heater core, installing 1

Cleaning

1 article

• Cleaning 1

Version "2" heater core, installing

1 article

• Version "2" heater core, installing 6

Driver-side heater core, removing and installing

1 article

• Driver-side heater core, removing and installing 6

Flap and vent motors, servicing

1 article

• Flap and vent motors, servicing 2

Left center vent motor -V110- and right center vent motor -V111-, removing and installing

1 article

• Left center vent motor -V110- and right center vent motor -V111-, removing and installing 1

Center vent adjusting motor -V102-, removing and installing

1 article

• Center vent adjusting motor -V102-, removing and installing 1

Defroster flap motor -V107-, removing and installing

1 article

• Defroster flap motor -V107-, removing and installing 1

Left footwell flap motor -V108- and rear footwell vent motor -V112-, removing and installing

1 article

• Left footwell flap motor -V108- and rear footwell vent motor -V112-, removing and installing

Temperature regulator flap motor -V68- and right footwell flap motor -V109-, removing and installing

1 article

• Temperature regulator flap motor -V68- and right footwell flap motor -V109-, removing and installing 1

Instrument panel interior temperature sensor -G56-, removing and installing

1 article

• Instrument panel interior temperature sensor -G56-, removing and installing 1

Center air outlet in instrument panel, removing and installing

1 article

• Center air outlet in instrument panel, removing and installing 1

Side window air outlet in right (left) of instrument panel, removing and installing

1 article

• Side window air outlet in right (left) of instrument panel, removing and installing 5

Climate Control Components in passenger compartment, updates from m.y. 2000

1 article

• Climate Control Components in passenger compartment, updates from m.y. 2000 1

Preparatory work

1 article

• Preparatory work 1

A/C refrigerant system (R-134a), components

1 article

• A/C refrigerant system (R-134a), components 3

A/C condenser, removing and installing

1 article

• A/C condenser, removing and installing

Restrictor, removing and installing

1 article

• Restrictor, removing and installing 1

A/C refrigerant lines from Nippondenso compressor, removing and installing

1 article

• A/C refrigerant lines from Nippondenso compressor, removing and installing 1

A/C compressor, removing and installing

1 article

• A/C compressor, removing and installing

A/C evaporator, removing and installing

1 article

• A/C evaporator, removing and installing

Removing

1 article

• Removing 5

Removing version "2" evaporator

1 article

• Removing version "2" evaporator

Installing

1 article

• Installing 2

Air conditioner housing, removing and installing

1 article

• Air conditioner housing, removing and installing 2

Screen, fresh air blower, evaporator and covers in plenum, removing and installing

1 article

• Screen, fresh air blower, evaporator and covers in plenum, removing and installing 2

Measuring pressure and temperature in a "switched-on" refrigerant system

1 article

• Measuring pressure and temperature in a "switched-on" refrigerant system

Measuring pressure and temperature in a closed container or "switched-off" refrigerant system

1 article

• Measuring pressure and temperature in a closed container or "switched-off" refrigerant system

A/C refrigerant system (R-134a), checking pressures

1 article

• A/C refrigerant system (R-134a), checking pressures

Preparation work

1 article

• Preparation work

If A/C refrigerant system base pressure is less than specified on chart, system is low on refrigerant

1 article

• If A/C refrigerant system base pressure is less than specified on chart, system is low on refrigerant

If A/C refrigerant system pressure corresponds to or is higher than base pressure specified on chart

1 article

• If A/C refrigerant system pressure corresponds to or is higher than base pressure specified on chart

Pressure in refrigerant circuit corresponds to chart or is higher

1 article

• Pressure in refrigerant circuit corresponds to chart or is higher

Refrigerant R-134a

1 article

• Refrigerant R-134a

Refrigerant (PAG) oil

1 article

• Refrigerant (PAG) oil

A/C refrigerant system (R-134a), discharging

1 article

• A/C refrigerant system (R-134a), discharging

Discharging

1 article

• Discharging 1

A/C refrigerant system (R-134a), evacuating & recharging

1 article

• A/C refrigerant system (R-134a), evacuating & recharging

Evacuating & recharging

1 article

• Evacuating & recharging

A/C does not cool (cooling has stopped completely)

1 article

• A/C does not cool (cooling has stopped completely)

Insufficient cooling during all driving or engine speed (RPM)

1 article

• Insufficient cooling during all driving or engine speed (RPM)

A/C compressor noisy

1 article

• A/C compressor noisy

A/C compressor noisy immediately after switching A/C ON and/or when driving around corners or braking "refrigerant shock" -refrigerant system Overcharged

1 article

• A/C compressor noisy immediately after switching A/C ON and/or when driving around corners or braking "refrigerant shock" -refrigerant system Overcharged

With an otherwise properly operating A/C system, water sprays out of instrument panel vents

1 article

• With an otherwise properly operating A/C system, water sprays out of instrument panel vents

A/C refrigerant system (R-134a), replacing components

1 article

• A/C refrigerant system (R-134a), replacing components