Manual sections

• Abbreviations
• Air Conditioning
• Airbag
• Anti-Lock/traction Control
• Application
• Automatic Trans
• Auxiliary Emission Control Systems
• Axle Shafts
• Basic Trouble Shooting
• Brakes
• Cabin Air Filter
• Charging System
• Check Lists
• Communication Devices
• Cooling Fan
• Cruise Control Systems
• Diagnostic Connector Locations
• Disc Brakes
• Door Locks & Anti-Theft Systems
• Drive Cycles
• Driveline/axles
• DTC Index
• Electronic Steering
• Electronic Suspension
• Emission Applications
• Engine
• Engine Performance
• Exhaust
• Exterior Body Panels
• Fuel Supply System - 4.2l v8 (akb, Aux, Ays)
• Fuses & Circuit Breakers
• Gauges & Instrument Panels
• Identification
• Ignition System
• MAP Guidelines
• Mechanical
• Metric Conversions
• Mirrors
• Mode 6
• Multiport Fuel Injection (mfi) - 4.2l v8 (akb, Aux, Ays)
• Oem General Information
• On Board Diagnostic (OBD)
• On Board Diagnostic (OBD) - 5 Spd. Automatic Transmission (01l, Awd)
• On Board Diagnostic (OBD) - Abs/edl/asr
• On Board Diagnostic (OBD) - Central Locking System & Ultrasonic Interior Monitoring
• On Board Diagnostic (OBD) - HVAC, CAN & Defrosters
• On Board Diagnostic (OBD) - Radio, Navigation, Steering & Telematics
• Procedures
• Reset Procedures
• Restraints
• Seats
• Servicing - A/t (01l, Awd)
• Specifications
• Starter
• Steering
• Steering Column Switches
• Sun Roof/t-Top/convertible Top
• Suspension Front
• Suspension Rear
• Testing & Diagnostics
• Timing Belt
• Traction Control Disable
• Transmission
• Warning System
• Wheel & Tire System
• Wheel Alignment
• Windows
• Wiper/washer Systems

Repair manual

Air Conditioning Audi S8 D2 facelift 2

Step-by-step instructions on "Air Conditioning" for Audi S8 D2 facelift 2 (2002–2003). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

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

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

A/C refrigerant system, general repair guidelines

• A/C refrigerant system, general repair guidelines

Commercial designation

• Commercial designation

Color

• Color

Airborne properties

• Airborne properties

Solubility of refrigerant oil

• Solubility of refrigerant oil

Effects on the environment

• Effects on the environment

Toxicity

• Toxicity

Temperature/pressure relationship

• Temperature/pressure relationship

Effects on plastics

• Effects on plastics

Effects on metal

• Effects on metal

Critical temperature/critical pressure

• Critical temperature/critical pressure

Water solubility

• Water solubility

Flammability

• Flammability

Refrigerant containers

• Refrigerant containers

Leak detection

• Leak detection

A/C refrigerant oil (PAG), properties

• A/C refrigerant oil (PAG), properties

Refrigerant system with restrictor and accumulator

• Refrigerant system with restrictor and accumulator

A/C compressor

• A/C compressor

A/C condenser

• A/C condenser

Evaporator

• Evaporator

Accumulator

• Accumulator

Restrictor

• Restrictor

O-rings

• O-rings

Hoses and lines

• Hoses and lines

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

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

Pressure relief valve

• Pressure relief valve

Function

• Function

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

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

Function of -F23

• Function of -F23

Function of -F118

• Function of -F118

Valve connections for pressure switches

• Valve connections for pressure switches

Connections for quick coupling adapter on refrigerant circuit

• Connections for quick coupling adapter on refrigerant circuit

High pressure service connection with Schrader valve

• High pressure service connection with Schrader valve

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

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

Refrigerant circuit with restrictor and accumulator

• Refrigerant circuit with restrictor and accumulator

Contact corrosion!

• Contact corrosion!

A/C system refrigerant system, servicing

• A/C system refrigerant system, servicing

Switch -F23

• Switch -F23

Switch -F118

• Switch -F118

Removing and installing

• Removing and installing

A/C pressure switch -F129-, functions

• A/C pressure switch -F129-, functions

Switching pressures (in bar)

• Switching pressures (in bar)

Testing

• Testing

O-rings for refrigerant system

• O-rings for refrigerant system

A/C compressor from mounting bracket, removing and installing

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

Nippondenso compressor

• Nippondenso compressor

Removing and installing clutch plate bolt

• Removing and installing clutch plate bolt

Pulling off clutch disc

• Pulling off clutch disc

Installing magnetic coil

• Installing magnetic coil

Checking and adjusting gap

• Checking and adjusting gap

Automatic Climate Control components in engine compartment, servicing

• Automatic Climate Control components in engine compartment, servicing

Sensor for air quality -G238-, function

• Sensor for air quality -G238-, function

Test requirements

• Test requirements

Preparation

• Preparation

Sensor for air quality -G238-, removing and installing

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

Air flow flap motor -V71-, removing and installing

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

Recirculation flap motor -V113-, removing and installing

• Recirculation flap motor -V113-, removing and installing

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

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

Pump valve unit, removing and installing

• Pump valve unit, removing and installing

Pump valve unit, replacing

• Pump valve unit, replacing

Dust and pollen filters, removing and installing

• Dust and pollen filters, removing and installing

Automatic Climate Control components in passenger compartment, servicing

• Automatic Climate Control components in passenger compartment, servicing

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

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

Changes to model year 2000 vehicles

• Changes to model year 2000 vehicles

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

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

Checking

• Checking

Heater cores, removing and installing

• Heater cores, removing and installing

Special tools and equipment

• Special tools and equipment

Passenger-side heater core, removing and installing

• Passenger-side heater core, removing and installing

Version "1" heater core, removing

• Version "1" heater core, removing

Version "2" heater core, removing

• Version "2" heater core, removing

Version "1" heater core, installing

• Version "1" heater core, installing

Cleaning

• Cleaning

Version "2" heater core, installing

• Version "2" heater core, installing

Driver-side heater core, removing and installing

• Driver-side heater core, removing and installing

Flap and vent motors, servicing

• Flap and vent motors, servicing

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

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

Center vent adjusting motor -V102-, removing and installing

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

Defroster flap motor -V107-, removing and installing

• Defroster flap motor -V107-, removing and installing

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

• 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

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

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

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

Center air outlet in instrument panel, removing and installing

• Center air outlet in instrument panel, removing and installing

Making special tool

• Making special tool

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

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

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

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

Air distribution, schematic diagram

• Air distribution, schematic diagram

Preparatory work

• Preparatory work

Automatic Climate Control System heating performance and operation of pump valve unit, testing

• Automatic Climate Control System heating performance and operation of pump valve unit, testing

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

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

A/C condenser, removing and installing

• A/C condenser, removing and installing

Restrictor, removing and installing

• Restrictor, removing and installing

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

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

A/C compressor, removing and installing

• A/C compressor, removing and installing

A/C evaporator, removing and installing

• A/C evaporator, removing and installing

Removing

• Removing

Removing version "2" evaporator

• Removing version "2" evaporator

Installing

• Installing

Air conditioner housing, removing and installing

• Air conditioner housing, removing and installing

Air conditioner housing, disassembling and assembling

• Air conditioner housing, disassembling and assembling

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

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

Disassembling And Assembling Cover With Recirculating Air Flap

• Disassembling And Assembling Cover With Recirculating Air Flap

Disassembling And Assembling Intake Shaft

• Disassembling And Assembling Intake Shaft

Air conditioner housing (lower) and air distribution housing, disassembling and assembling

• Air conditioner housing (lower) and air distribution housing, disassembling and assembling

Air distribution housing, disassembling and assembling

• Air distribution housing, disassembling and assembling

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

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

A/C refrigerant system (R-134a), testing with pressure gauges

• A/C refrigerant system (R-134a), testing with pressure gauges

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

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

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

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

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

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

Preparation work

• Preparation work

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

• 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

• 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

• Pressure in refrigerant circuit corresponds to chart or is higher

Refrigerant R-134a

• Refrigerant R-134a

Refrigerant (PAG) oil

• Refrigerant (PAG) oil

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

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

Discharging

• Discharging

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

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

Evacuating & recharging

• Evacuating & recharging

A/C refrigerant system (R-134a), flushing with compressed air and nitrogen

• A/C refrigerant system (R-134a), flushing with compressed air and nitrogen

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

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

Insufficient cooling during all driving or engine speed (RPM)

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

A/C compressor noisy

• 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

• 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

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

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

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