- Audi S4 V8-4.2L (BHF) (2004)
- 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 Duct
- Ambient Temperature Sensor / Switch HVAC
- Auxiliary Water Pump
- Blower Motor
- Cabin Air Filter
- Cabin Ventilation Duct
- Climate Control Exhaust Gas Sensor
- Compressor HVAC
- Compressor Speed Sensor, HVAC
- Condenser HVAC
- Control Assembly, HVAC
- Control Module HVAC
- Coupler HVAC
- Discharge Air Temperature Sensor / Switch, HVAC
- Evaporator Core
- Evaporator Drain Tube
- Expansion Block/Orifice Tube
- Expansion Valve
- Heater Core
- Heater Core Case
- Hose/Line HVAC
- Housing Assembly HVAC
- Receiver Dryer
- Refrigerant
- Refrigerant Oil
- Refrigerant Pressure Sensor / Switch, HVAC
- A/C Pressure Sensor/Switch - Cooling Fan
- High Pressure Sensor / Switch, HVAC
- Low Pressure Sensor / Switch, HVAC
- Component Information
- Description and Operation
- Refrigerant Temperature Sensor
- Relays and Modules - HVAC
- Sensors and Switches - HVAC
- Service Port HVAC
- Solar Cell, HVAC
- Solar Sensor, 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