- Audi A4 Quattro Sedan L4-1.8L Turbo (AEB) (1998)
- Relays and Modules
- Sensors and Switches
- Maintenance
- Engine, Cooling and Exhaust
- Powertrain Management
- Transmission and Drivetrain
- Brakes and Traction Control
- Starting and Charging
- Power and Ground Distribution
- Steering and Suspension
- Heating and Air Conditioning
- Accumulator HVAC
- Air Door, HVAC
- Air Register
- Ambient Temperature Sensor / Switch HVAC
- Blower Motor
- Fresh Air Blower Control Module <--> [Blower Motor Relay]
- Cabin Air Filter
- Cabin Temperature Sensor / Switch
- Cabin Ventilation Duct
- Compressor HVAC
- Compressor Clutch Relay
- Compressor Fitting HVAC
- Compressor Speed Sensor, HVAC
- Condenser HVAC
- Condenser Fan
- Condenser Fan Resistor
- Control Assembly, HVAC
- Control Module HVAC
- Coupler HVAC
- Discharge Air Temperature Sensor / Switch, HVAC
- Evaporator Case
- Evaporator Core
- Evaporator Drain Tube
- Expansion Block/Orifice Tube
- Heater Core
- Heater Core Case
- A/C Pressure Relief Valve <--> [High Pressure Safety Valve HVAC]
- Hose/Line HVAC
- Housing Assembly HVAC
- Receiver Dryer
- Refrigerant
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch, HVAC
- Relays and Modules - HVAC
- Sensors and Switches - HVAC
- Air Flap Motor Position Sensor <--> [Air Door Position Sensor / Switch, HVAC]
- Ambient Temperature Sensor / Switch HVAC
- Component Information
- Locations
- Diagrams
- Diagram Information and Instructions
- Diagnostic Aids
- Troubleshooting Basics
- Basic Electricity
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- Tools and Equipment
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- Cabin Temperature Sensor / Switch
- Compressor Speed Sensor, HVAC
- Discharge Air Temperature Sensor / Switch, HVAC
- Refrigerant Pressure Sensor / Switch, HVAC
- Solar Sensor, HVAC
- Solar Sensor, HVAC
- Vacuum Check Valve HVAC
- Vacuum Reservoir HVAC
- Vacuum Solenoid Valve HVAC
- Restraint Systems
- Accessories and Optional Equipment
- Body and Frame
- Cruise Control
- Instrument Panel, Gauges and Warning Indicators
- Lighting and Horns
- Windows and Glass
- Wiper and Washer Systems