Manual sections

Wiring diagrams

• 2.0l - Cooling System - Engine Code(s): Caeb (avant)
• 2.0l - Cooling System - Engine Code(s): Caeb (sedan)
• 2.0l - Cylinder Head, Valvetrain - Engine Code(s): Caeb (avant)
• 2.0l - Cylinder Head, Valvetrain - Engine Code(s): Caeb (sedan)
• 2.0l - Engine Assembly - Engine Code(s): Caeb (avant)
• 2.0l - Engine Assembly - Engine Code(s): Caeb (sedan)
• 2.0l - Fuel Supply System - Engine Code(s): Caeb (avant)
• 2.0l - Multiport Fuel Injection - Engine Code(s): Caeb (avant)
• 2.0l - Multiport Fuel Injection - Engine Code(s): Caeb (sedan)
• Abbreviations
• Accessories & Equipment
• Air Conditioning (avant)
• Air Conditioning (sedan)
• Anti-Lock/traction Control
• Automatic HVAC System
• Automatic Trans
• Axle Shafts
• Basic Trouble Shooting
• Blowers, Superchargers & Turbochargers
• Brakes
• Cabin Air Filter
• Charging System
• Check Lists
• Clutches Manual & Hydraulic
• Communication (avant)
• Communication (sedan)
• Communication Devices
• Controls, Housing (Automatic Transmission 0b6 Awd (avant))
• Controls, Housing (Automatic Transmission 0b6 Awd (sedan))
• Controls, Housing (Continuously Variable Transmission 0aw (sedan))
• Controls, Housing (Manual Transmission 0b2 Awd (sedan))
• Controls, Housing (Manual Transmission Internal Components 0b2 Awd (sedan))
• Cooling System (mechanical)
• Cruise Control Systems
• Diagnostic Connector Locations
• Door Locks & Anti-Theft Systems
• Drive Cycles
• Driveline/axles
• DTC Index
• Electrical Component Locations
• Emission Applications
• Engine
• Engine Control Systems
• Engine Performance
• Entertainment Systems
• Exhaust
• Exterior Body Panels
• Exterior Lights
• Exterior Lights, Switches (avant)
• Exterior Lights, Switches (sedan)
• Exterior/interior Trim
• Front Doors, Central Locking System (avant)
• Front Doors, Central Locking System (sedan)
• Front Suspension (avant)
• Front Suspension (sedan)
• Fuel Supply System - Engine Code(s): Caeb, Cala & Ccba (sedan)
• Gauges & Instrument Panels
• Gears, Hydraulic Controls (Continuously Variable Transmission Internal Components 0aw (sedan))
• Gears, Shafts (Manual Transmission Internal Components 0b2 Awd (sedan))
• Glass, Window Regulators (avant)
• Glass, Window Regulators (sedan)
• How to Diagnosis the Maintenance (Maintenance Procedures (avant))
• How to Diagnosis the Maintenance (Maintenance Procedures (sedan))
• Identification
• Ignition System
• Interior Equipment (avant)
• Interior Equipment (sedan)
• Interior Lights, Switches (avant)
• Interior Lights, Switches (sedan)
• Interior Trim (avant)
• Interior Trim (sedan)
• Interior/illumination Lights
• Lubrication System
• Manual & Power Steering
• Manual Trans
• MAP Guidelines
• Mechanical
• Mechanical - Hydraulic
• Metric Conversions
• Mirrors
• Navigation System
• Passenger Protection, Airbags, Seat Belts (avant)
• Passenger Protection, Airbags, Seat Belts (sedan)
• Procedures
• Rear Doors (avant)
• Rear Doors (sedan)
• Rear Final Drive 0bc (avant)
• Rear Final Drive 0bc (sedan)
• Rear Final Drive 0bd (avant)
• Rear Final Drive 0bd (sedan)
• Rear Final Drive 0bf & 0be (avant)
• Rear Final Drive 0bf & 0be (sedan)
• Rear Suspension (avant)
• Rear Suspension (sedan)
• Reset Procedures
• Seat Frames (avant)
• Seat Frames (sedan)
• Seat Upholstery, Covers (avant)
• Seat Upholstery, Covers (sedan)
• Specifications
• Steering
• Steering (avant)
• Steering (sedan)
• Sun Roof/t-Top/convertible Top
• Traction Control Disable
• Transmission
• Wheels, Tires and Vehicle Alignment (avant)
• Wheels, Tires and Vehicle Alignment (sedan)
• Wheels, Tires, Wheel Alignment (General Information (avant))
• Wheels, Tires, Wheel Alignment (General Information (sedan))
• Wiper/washer Systems
• Wiring - General Information (avant)
• Wiring - General Information (sedan)
• Wiring System (data Link Connectors, Pwr Dist., Grnd Dist.)

Repair manual

Air Conditioning (avant) Audi A4 B8

Step-by-step instructions on "Air Conditioning (avant)" for Audi A4 B8 (2007–2012). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

132subsections

132articles

167illustrations

A/C AND REFRIGERANT SAFETY PRECAUTIONS

1 article

• A/C AND REFRIGERANT SAFETY PRECAUTIONS

SAFETY PRECAUTIONS WHEN HANDLING REFRIGERANT

1 article

• SAFETY PRECAUTIONS WHEN HANDLING REFRIGERANT

SAFETY PRECAUTIONS WHEN WORKING ON VEHICLES WITH START/STOP SYSTEM

1 article

• SAFETY PRECAUTIONS WHEN WORKING ON VEHICLES WITH START/STOP SYSTEM

REFRIGERANT CIRCUIT REPAIR

1 article

• REFRIGERANT CIRCUIT REPAIR

COOLANT CIRCUIT, SERVICING

1 article

• COOLANT CIRCUIT, SERVICING 1

COOLANT PUMP - ENGINE CODE(S): CAEB

1 article

• COOLANT PUMP - ENGINE CODE(S): CAEB 1

REFRIGERANT CIRCUIT, DRAINING

1 article

• REFRIGERANT CIRCUIT, DRAINING

VEHICLES WITH A/C, PAINTING

1 article

• VEHICLES WITH A/C, PAINTING

CONTACT CORROSION

1 article

• CONTACT CORROSION

CAUSES OF ODOR

1 article

• CAUSES OF ODOR

CAPACITY INFORMATION

1 article

• CAPACITY INFORMATION

CLIMATRONIC CONTROL MODULE J255

1 article

• CLIMATRONIC CONTROL MODULE J255 1

CLIMATRONIC CONTROL MODULE ALLOCATION

1 article

• CLIMATRONIC CONTROL MODULE ALLOCATION

GLOVE COMPARTMENT COOLING TO AIR INTAKE MANIFOLD CONNECTION

1 article

• GLOVE COMPARTMENT COOLING TO AIR INTAKE MANIFOLD CONNECTION

INSTRUMENT PANEL VENT AIR GUIDE PLUG

1 article

• INSTRUMENT PANEL VENT AIR GUIDE PLUG 1

REAR VENT AIR GUIDE SLOTS, SEALING

1 article

• REAR VENT AIR GUIDE SLOTS, SEALING 1

REFRIGERANT CIRCUIT O-RINGS

1 article

• REFRIGERANT CIRCUIT O-RINGS

AIR CONDITIONER, LEVERS AND CONNECTING ELEMENTS

1 article

• AIR CONDITIONER, LEVERS AND CONNECTING ELEMENTS

A/C SYSTEM EVAPORATOR, CLEANING

1 article

• A/C SYSTEM EVAPORATOR, CLEANING

A/C SYSTEM, OPERATING AFTER FILLING REFRIGERANT CIRCUIT

1 article

• A/C SYSTEM, OPERATING AFTER FILLING REFRIGERANT CIRCUIT

A/C COMPRESSOR

1 article

• A/C COMPRESSOR

A/C SYSTEM CONTROL AND REGULATION COMPONENTS OUTSIDE PASSENGER COMPARTMENT

1 article

• A/C SYSTEM CONTROL AND REGULATION COMPONENTS OUTSIDE PASSENGER COMPARTMENT

A/C SYSTEM CONTROL AND REGULATION COMPONENTS INSIDE PASSENGER COMPARTMENT

1 article

• A/C SYSTEM CONTROL AND REGULATION COMPONENTS INSIDE PASSENGER COMPARTMENT

A/C UNIT AND AIR INTAKE HOUSING COMPONENTS

1 article

• A/C UNIT AND AIR INTAKE HOUSING COMPONENTS

A/C UNIT AND AIR DISTRIBUTION HOUSING, COMFORT SYSTEM

1 article

• A/C UNIT AND AIR DISTRIBUTION HOUSING, COMFORT SYSTEM 1

REFRIGERANT CIRCUIT COMPONENTS OVERVIEW

1 article

• REFRIGERANT CIRCUIT COMPONENTS OVERVIEW

AIR INTAKE AND OUTLET OPENINGS

1 article

• AIR INTAKE AND OUTLET OPENINGS 1

AIR DISTRIBUTOR HOUSING DOORS AND PARTITIONS

1 article

• AIR DISTRIBUTOR HOUSING DOORS AND PARTITIONS 2

AIR QUALITY SENSOR G238

1 article

• AIR QUALITY SENSOR G238

AIR ROUTING AND DISTRIBUTION IN PASSENGER COMPARTMENT

1 article

• AIR ROUTING AND DISTRIBUTION IN PASSENGER COMPARTMENT 1

AIR ROUTING IN AIR INTAKE HOUSING AND A/C UNIT

1 article

• AIR ROUTING IN AIR INTAKE HOUSING AND A/C UNIT 1

A/C COMPRESSOR DRIVE UNIT

1 article

• A/C COMPRESSOR DRIVE UNIT 1

A/C CONTROL MOTOR BLOCK DIAGRAM

1 article

• A/C CONTROL MOTOR BLOCK DIAGRAM 2

BACK PRESSURE DOOR

1 article

• BACK PRESSURE DOOR

BELT PULLEY

1 article

• BELT PULLEY 1

CLIMATRONIC REFRIGERANT SHUT-OFF VALVE

1 article

• CLIMATRONIC REFRIGERANT SHUT-OFF VALVE 4

COMPONENTS OUTSIDE PASSENGER COMPARTMENT

1 article

• COMPONENTS OUTSIDE PASSENGER COMPARTMENT

COMPONENT GROUP 1

1 article

• COMPONENT GROUP 1 3

DUST AND POLLEN FILTER WITH ACTIVATED CHARCOAL INSERT

1 article

• DUST AND POLLEN FILTER WITH ACTIVATED CHARCOAL INSERT

LEFT AND RIGHT RADIATOR HOUSING TEMPERATURE DOORS

1 article

• LEFT AND RIGHT RADIATOR HOUSING TEMPERATURE DOORS 1

PASSENGER COMPARTMENT A/C COMPONENTS

1 article

• PASSENGER COMPARTMENT A/C COMPONENTS 1

VENTILATION SYSTEM

1 article

• VENTILATION SYSTEM 1

FASTENER TIGHTENING SPECIFICATIONS

1 article

• FASTENER TIGHTENING SPECIFICATIONS

AIR QUALITY SENSOR G238, CHECKING

1 article

• AIR QUALITY SENSOR G238, CHECKING 3

A/C COMPONENTS CONTROLLED BY OTHER CONTROL MODULES, ELECTRICAL TEST

1 article

• A/C COMPONENTS CONTROLLED BY OTHER CONTROL MODULES, ELECTRICAL TEST

A/C COMPRESSOR REGULATOR VALVE N280, CHECKING SWITCH-ON SIGNAL

1 article

• A/C COMPRESSOR REGULATOR VALVE N280, CHECKING SWITCH-ON SIGNAL 2

A/C COMPRESSOR REGULATOR VALVE N280, ELECTRICAL TEST

1 article

• A/C COMPRESSOR REGULATOR VALVE N280, ELECTRICAL TEST

A/C PRESSURE/TEMPERATURE SENSOR G395, CHECKING PRESSURE SIGNAL

1 article

• A/C PRESSURE/TEMPERATURE SENSOR G395, CHECKING PRESSURE SIGNAL 1

A/C UNIT, CHECKING COOLING OUTPUT

1 article

• A/C UNIT, CHECKING COOLING OUTPUT 1

REQUIRED COOLING OUTPUT NOT REACHED, MALFUNCTION NOTIFICATION

1 article

• REQUIRED COOLING OUTPUT NOT REACHED, MALFUNCTION NOTIFICATION

ICE FORMATION ON EVAPORATOR, LOCALIZING MALFUNCTION

1 article

• ICE FORMATION ON EVAPORATOR, LOCALIZING MALFUNCTION

COMPONENTS CONTROLLED BY A/C SYSTEM, ELECTRICAL TEST

1 article

• COMPONENTS CONTROLLED BY A/C SYSTEM, ELECTRICAL TEST

DRIVE PLATE WITH OVERLOAD PROTECTION, CHECKING RUN-OUT AND ADJUSTING

1 article

• DRIVE PLATE WITH OVERLOAD PROTECTION, CHECKING RUN-OUT AND ADJUSTING 1

FRONT SEAT HEATING AND VENTILATION, CHECKING

1 article

• FRONT SEAT HEATING AND VENTILATION, CHECKING 1

HEAT OUTPUT AND TEMPERATURE DOOR ACTIVATION, TESTING REQUIREMENTS

1 article

• HEAT OUTPUT AND TEMPERATURE DOOR ACTIVATION, TESTING REQUIREMENTS

TESTING REQUIREMENTS

1 article

• TESTING REQUIREMENTS

HEATING OUTPUT AND TEMPERATURE DOOR ACTIVATION, BASIS CLIMATE CONTROL SYSTEM

1 article

• HEATING OUTPUT AND TEMPERATURE DOOR ACTIVATION, BASIS CLIMATE CONTROL SYSTEM

HEAT OUTPUT AND TEMPERATURE DOOR ACTIVATION, COMFORT CLIMATE CONTROL SYSTEM

1 article

• HEAT OUTPUT AND TEMPERATURE DOOR ACTIVATION, COMFORT CLIMATE CONTROL SYSTEM

Temperature Increase Downstream from Evaporator, Determining Malfunction

1 article

• Temperature Increase Downstream from Evaporator, Determining Malfunction

HEATED REAR WINDOW, CHECKING

1 article

• HEATED REAR WINDOW, CHECKING

PASSENGER COMPARTMENT FORCED AIR EXTRACTION, CHECKING

1 article

• PASSENGER COMPARTMENT FORCED AIR EXTRACTION, CHECKING 1

PLENUM CHAMBER WATER DRAIN, CHECKING AND CLEANING

1 article

• PLENUM CHAMBER WATER DRAIN, CHECKING AND CLEANING

AIR INTAKE DUCT IN AIR INTAKE HOUSING

1 article

• AIR INTAKE DUCT IN AIR INTAKE HOUSING 1

AUXILIARY AIR HEATER HEATING ELEMENT

1 article

• AUXILIARY AIR HEATER HEATING ELEMENT 2

A/C PRESSURE/TEMPERATURE SENSOR G395

1 article

• A/C PRESSURE/TEMPERATURE SENSOR G395 1

A/C UNIT

1 article

• A/C UNIT 9

A/C UNIT AIR INTAKE HOUSING

1 article

• A/C UNIT AIR INTAKE HOUSING 8

A/C UNIT HEAT EXCHANGER

1 article

• A/C UNIT HEAT EXCHANGER

PREPARING FOR REMOVAL

1 article

• PREPARING FOR REMOVAL 7

COMPRESSOR - ENGINE CODE(S): CAEB

1 article

• COMPRESSOR - ENGINE CODE(S): CAEB

A/C COMPRESSOR INPUT SHAFT, LOOSENING AND TIGHTENING

1 article

• A/C COMPRESSOR INPUT SHAFT, LOOSENING AND TIGHTENING 1

A/C COMPRESSOR INPUT SHAFT

1 article

• A/C COMPRESSOR INPUT SHAFT 1

A/C COMPRESSOR DRIVE PLATE

1 article

• A/C COMPRESSOR DRIVE PLATE 2

A/C COMPRESSOR ON BRACKET

1 article

• A/C COMPRESSOR ON BRACKET 5

DRIVE PLATE WITH OVERLOAD PROTECTION

1 article

• DRIVE PLATE WITH OVERLOAD PROTECTION 1

DRIVE PLATE WITH ROLLER BEARING

1 article

• DRIVE PLATE WITH ROLLER BEARING 1

CONDENSATION WATER DRAIN HOSE

1 article

• CONDENSATION WATER DRAIN HOSE 1

AIRFLOW DOOR V71

1 article

• AIRFLOW DOOR V71 1

CENTER VENT ADJUSTMENT V102

1 article

• CENTER VENT ADJUSTMENT V102 1

DEFROSTER DOOR V107

1 article

• DEFROSTER DOOR V107 1

LEFT CENTER VENT V110

1 article

• LEFT CENTER VENT V110 1

RIGHT CENTER VENT V111

1 article

• RIGHT CENTER VENT V111 1

RECIRCULATION DOOR -V113

1 article

• RECIRCULATION DOOR -V113 1

RIGHT FOOTWELL DOOR V109

1 article

• RIGHT FOOTWELL DOOR V109 1

LEFT FOOTWELL DOOR AND FOOTWELL DOOR

1 article

• LEFT FOOTWELL DOOR AND FOOTWELL DOOR 1

LEFT TEMPERATURE DOOR V158

1 article

• LEFT TEMPERATURE DOOR V158 2

RIGHT TEMPERATURE DOOR V159

1 article

• RIGHT TEMPERATURE DOOR V159 3

LEFT RETAINING PLATE WITH FOOTWELL DOOR V261

1 article

• LEFT RETAINING PLATE WITH FOOTWELL DOOR V261 3

LEFT RETAINING PLATE WITH FOOTWELL DOOR V108 AND LEFT CENTER VENT V110

1 article

• LEFT RETAINING PLATE WITH FOOTWELL DOOR V108 AND LEFT CENTER VENT V110

REMOVING

1 article

• REMOVING 2

INSTALLING

1 article

• INSTALLING 1

RIGHT RETAINING PLATE WITH FOOTWELL DOOR V109 AND RIGHT CENTER VENT V111

1 article

• RIGHT RETAINING PLATE WITH FOOTWELL DOOR V109 AND RIGHT CENTER VENT V111 1

TEMPERATURE REGULATOR DOOR V68 AND REAR TEMPERATURE DOOR V137

1 article

• TEMPERATURE REGULATOR DOOR V68 AND REAR TEMPERATURE DOOR V137 2

DUST AND POLLEN FILTER

1 article

• DUST AND POLLEN FILTER 2

FRESH AIR BLOWER V2

1 article

• FRESH AIR BLOWER V2 1

FRESH AIR BLOWER CONTROL MODULE J126

1 article

• FRESH AIR BLOWER CONTROL MODULE J126 1

FRESH AIR INTAKE

1 article

• FRESH AIR INTAKE

PREPARATORY WORK

1 article

• PREPARATORY WORK

INSTRUMENT PANEL VENTS AND REAR VENTS

1 article

• INSTRUMENT PANEL VENTS AND REAR VENTS

INTERIOR TEMPERATURE SENSOR FAN V42

1 article

• INTERIOR TEMPERATURE SENSOR FAN V42

LEFT FOOTWELL VENTS

1 article

• LEFT FOOTWELL VENTS 1

RIGHT FOOTWELL VENT

1 article

• RIGHT FOOTWELL VENT 1

LEFT RADIATOR HOUSING WITH TEMPERATURE DOORS

1 article

• LEFT RADIATOR HOUSING WITH TEMPERATURE DOORS 4

RIGHT RADIATOR HOUSING WITH TEMPERATURE DOORS

1 article

• RIGHT RADIATOR HOUSING WITH TEMPERATURE DOORS

RIGHT RADIATOR HOUSING, MOTOR MOUNTING PLATE REMOVED

1 article

• RIGHT RADIATOR HOUSING, MOTOR MOUNTING PLATE REMOVED 3

RIGHT RADIATOR HOUSING AND RIGHT MOTOR MOUNTING PLATE

1 article

• RIGHT RADIATOR HOUSING AND RIGHT MOTOR MOUNTING PLATE 4

REFRIGERANT LINES, DISCONNECTING FROM COMPRESSOR - ENGINE CODE(S): CAEB

1 article

• REFRIGERANT LINES, DISCONNECTING FROM COMPRESSOR - ENGINE CODE(S): CAEB 1

REFRIGERANT LINES, DISCONNECTING FROM COMPRESSOR - ENGINE CODE(S): CALA & CCBA

1 article

• REFRIGERANT LINES, DISCONNECTING FROM COMPRESSOR - ENGINE CODE(S): CALA & CCBA 4

REFRIGERANT LINES, DISCONNECTING FROM COMPRESSOR - ENGINE CODE(S): CAUA

1 article

• REFRIGERANT LINES, DISCONNECTING FROM COMPRESSOR - ENGINE CODE(S): CAUA 2

REFRIGERANT LINES DISCONNECTING FROM QUICK-RELEASE COUPLINGS

1 article

• REFRIGERANT LINES DISCONNECTING FROM QUICK-RELEASE COUPLINGS 5

CONDENSER

1 article

• CONDENSER 6

DRYER CARTRIDGE

1 article

• DRYER CARTRIDGE 1

FLUID RESERVOIR

1 article

• FLUID RESERVOIR 2

REFRIGERANT LINES, DISCONNECTING FROM CONDENSER

1 article

• REFRIGERANT LINES, DISCONNECTING FROM CONDENSER 4

EVAPORATOR, A/C UNIT INSTALLED

1 article

• EVAPORATOR, A/C UNIT INSTALLED 6

EXPANSION VALVE

1 article

• EXPANSION VALVE 2

REFRIGERANT LINES WITH INNER HEAT EXCHANGER

1 article

• REFRIGERANT LINES WITH INNER HEAT EXCHANGER 3

SUNLIGHT PHOTO SENSOR G107

1 article

• SUNLIGHT PHOTO SENSOR G107 1

OUTSIDE AIR G17

1 article

• OUTSIDE AIR G17

LEFT FRONT UPPER BODY OUTLET G385

1 article

• LEFT FRONT UPPER BODY OUTLET G385 1

RIGHT FRONT UPPER BODY OUTLET G386

1 article

• RIGHT FRONT UPPER BODY OUTLET G386 1

RIGHT FOOTWELL VENT G262

1 article

• RIGHT FOOTWELL VENT G262

EVAPORATOR VENT G263

1 article

• EVAPORATOR VENT G263 1

CENTER OUTLET G191

1 article

• CENTER OUTLET G191 1

LEFT FOOTWELL OUTLET AND VENT

1 article

• LEFT FOOTWELL OUTLET AND VENT 2

LEFT RETAINING PLATE WITH FOOTWELL DOOR MOTOR

1 article

• LEFT RETAINING PLATE WITH FOOTWELL DOOR MOTOR 1

LEFT RETAINING PLATE WITH FOOTWELL DOOR AND LEFT CENTER VENT MOTORS

1 article

• LEFT RETAINING PLATE WITH FOOTWELL DOOR AND LEFT CENTER VENT MOTORS 1

RIGHT RETAINING PLATE WITH FOOTWELL DOOR AND RIGHT CENTER VENT MOTORS

1 article

• RIGHT RETAINING PLATE WITH FOOTWELL DOOR AND RIGHT CENTER VENT MOTORS 1

A/C SYSTEM, BASIS

1 article

• A/C SYSTEM, BASIS 1

A/C SYSTEM, COMFORT

1 article

• A/C SYSTEM, COMFORT 1

EVAPORATOR HOUSING

1 article

• EVAPORATOR HOUSING 1

SPECIAL TOOLS

1 article

• SPECIAL TOOLS 4