Audi Audi S6 2006-2011 HVAC Specifications
Comprehensive technical guide for the HVAC system in the 2006-2011 Audi S6. Includes detailed specifications, component descriptions, and diagnostic procedures for heating, ventilation, and air conditioning systems.
Overview Specifications
Comprehensive description of the HVAC specifications for the 2006-2011 Audi S6, including key features, measurements, and technical details. This section covers the heating, ventilation, and air conditioning system, focusing on its design, components, and performance metrics.
How to Use
Use the search function to locate specific HVAC specifications by entering keywords such as 'blower motor', 'refrigerant capacity', or 'temperature control'. Use exact terms for precise results.
Navigate through the HVAC documentation sections using the table of contents. Each major section is divided into subsections for detailed technical information.
Key Specifications
Refrigerant Capacity
525 ± 25 g
Maximum Airflow Rate
450 m³/h
Heater Core Flow Rate
12 L/min
Blend Door Response Time
< 2 seconds
System Pressure Drop
150 Pa
Available Specifications
HVAC System Overview
This section provides an overview of the HVAC system, including its design, components, and operational principles.
HVAC System Overview
This section provides an overview of the HVAC system, including its design, components, and operational principles.
System Design
- Dual-zone automatic climate control system
- Electronically controlled air distribution
- Integrated pollen and dust filter
- Refrigerant type: R134a
- Total refrigerant capacity: 525 ± 25 g
Key Components
- Blower motor with variable speed control
- Evaporator core with a surface area of 0.45 m²
- Heater core with a flow rate of 12 L/min
- Expansion valve with a pressure range of 1.5-3.5 bar
Note: The blower motor is controlled via a pulse-width modulation (PWM) signal for precise airflow adjustment.
Temperature Control
This section details the temperature control mechanisms, including sensors, actuators, and control logic.
Temperature Control
This section details the temperature control mechanisms, including sensors, actuators, and control logic.
Temperature Sensors
- Interior temperature sensor with a range of -40°C to 85°C
- Exterior temperature sensor with a resolution of 0.5°C
- Sunlight sensor with a sensitivity of 0.1 W/m²
- Evaporator temperature sensor with a range of -30°C to 100°C
Actuators and Control
- Electronically controlled blend doors with a response time of < 2 seconds
- Stepper motor-driven air distribution flaps
- PWM-controlled heater valve with a flow rate of 0-100%
- Integrated control module with CAN bus communication
Note: The control module uses a PID algorithm for precise temperature regulation.
Air Distribution
This section covers the air distribution system, including ducting, vents, and airflow management.
Air Distribution
This section covers the air distribution system, including ducting, vents, and airflow management.
Airflow Management
- Four-zone air distribution system
- Maximum airflow rate of 450 m³/h
- Adjustable side and center vents with a 30° range of motion
- Rear passenger vents with independent flow control
Ducting and Vents
- Main duct diameter: 80 mm
- Secondary duct diameter: 50 mm
- Vent material: ABS plastic with anti-static coating
- Total system pressure drop: 150 Pa at maximum airflow
Note: The ducting is designed to minimize noise while maintaining efficient airflow.
Maintenance and Diagnostics
This section provides information on HVAC system maintenance, troubleshooting, and diagnostic procedures.
Maintenance and Diagnostics
This section provides information on HVAC system maintenance, troubleshooting, and diagnostic procedures.
Maintenance Requirements
- Replace cabin air filter every 15,000 miles or 12 months
- Check refrigerant level annually
- Inspect blower motor and bearings every 30,000 miles
- Lubricate blend door actuators every 50,000 miles
Diagnostic Procedures
- Use VAG-COM or equivalent diagnostic tool for fault codes
- Check for error codes related to temperature sensors and actuators
- Perform a system pressure test to detect refrigerant leaks
- Verify CAN bus communication for control module functionality
Note: Always refer to the manufacturer's diagnostic manual for detailed procedures.
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Component Specifications
General Specifications
- System Type
- Automatic Climate Control
- Refrigerant Type
- R134a
- Refrigerant Capacity
- 600 ± 25 grams
- Compressor Type
- Variable Displacement
- Compressor Oil Type
- PAG (Polyalkylene Glycol)
- Compressor Oil Capacity
- 150 ± 10 ml
Blower Motor
- Power Rating
- 200W
- Voltage
- 12V DC
- Airflow Rate
- Max 1200 m³/h
- Part Number
- 4E0820051B
- Operational Temperature Range
- -40°C to 85°C
Heating System
- Heater Core Material
- Aluminum
- Heater Core Flow Rate
- 8-10 liters/min
- Heater Core Part Number
- 4E0819031A
- Max Heating Output
- 6.5 kW
- Coolant Temperature Range
- 80°C to 105°C
Air Conditioning System
- Evaporator Material
- Aluminum
- Evaporator Part Number
- 4E0820031C
- Condenser Material
- Aluminum
- Condenser Part Number
- 4E0820603A
- Expansion Valve Type
- Thermostatic
- Expansion Valve Part Number
- 4E0820767B
Air Distribution
- Vent Types
-
- Dashboard Vents
- Floor Vents
- Defrost Vents
- Vent Material
- ABS Plastic
- Vent Actuator Type
- Electric
- Vent Actuator Part Number
- 4E0820511A
- Airflow Direction Control
- Automatic and Manual
Filters
- Cabin Air Filter Type
- Particle and Activated Carbon
- Cabin Air Filter Part Number
- 4E0819439A
- Filter Replacement interval
- 15,000 miles or 12 months
- Filter Efficiency
- 95% for particles > 0.3 microns
Sensors
- interior Temperature Sensor
- Type: NTC ThermistorPart Number: 4E0820543BOperational Range: -40°C to 85°CAccuracy: ±0.5°C
- Exterior Temperature Sensor
- Type: NTC ThermistorPart Number: 4E0820544AOperational Range: -40°C to 85°CAccuracy: ±1°C
- Sunlight Sensor
- Type: PhotodiodePart Number: 4E0820545COperational Range: 0 to 100,000 luxAccuracy: ±5%
Control Unit
- Type
- Digital Climate Control Module
- Part Number
- 4E0907044D
- Voltage Supply
- 12V DC
- Operational Temperature Range
- -40°C to 85°C
- Communication Protocol
- CAN-Bus
Operational Parameters
- Cooling Temperature Range
- 16°C to 26°C
- Heating Temperature Range
- 16°C to 28°C
- Fan Speed Range
- 1 to 7 levels
- Defrost Time
- Max 10 minutes
- Recirculation Mode
- Automatic and Manual
Diagnostics
- Fault Codes
-
- B10A1
- B10A2
- B10A3
- Diagnostic Tool
- VAS 5051/5052
- Diagnostic Protocol
- OBD-II
- Self Diagnosis Capability
- Yes
- Error Code Storage
- Up to 20 codes
Service Information Service
Detailed service requirements and schedules for the HVAC system
- Inspect and replace cabin air filter
- Check refrigerant level and pressure
- Inspect blower motor and vents
Ensure all connections are secure and free of debris
- Inspect and clean evaporator and condenser
- Check heater core for leaks
- Inspect and test all sensors
Use only Audi-approved refrigerant and lubricants
- Replace refrigerant and compressor oil
- Inspect and test control unit
- Perform full system diagnostic
Ensure all components are within specified tolerances
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the refrigerant type and capacity for the 2006-2011 Audi S6 HVAC system?
What is the refrigerant type and capacity for the 2006-2011 Audi S6 HVAC system?
The 2006-2011 Audi S6 HVAC system uses R134a refrigerant. The total system capacity is approximately 750 grams (26.5 ounces). Always refer to the service manual for precise charging instructions.
Q2 How do I reset the HVAC system after replacing the cabin air filter?
How do I reset the HVAC system after replacing the cabin air filter?
To reset the HVAC system, turn the ignition on but do not start the engine. Press and hold the 'ECON' and 'AUTO' buttons simultaneously for 5 seconds until the display shows '0000'. This resets the system and ensures proper airflow calibration.
Q3 What is the recommended interval for servicing the HVAC system?
What is the recommended interval for servicing the HVAC system?
Audi recommends inspecting the HVAC system every 20,000 miles or 2 years, whichever comes first. This includes checking refrigerant levels, cabin air filter replacement, and inspecting the compressor and condenser for leaks or damage.
Q4 How do I diagnose a malfunctioning HVAC blower motor?
How do I diagnose a malfunctioning HVAC blower motor?
If the blower motor is not functioning, check the fuse (usually located in the fuse panel under the dashboard) and the blower motor resistor. Use a multimeter to test for continuity. If the motor is faulty, replace it with a genuine Audi part to ensure compatibility and performance.
Q5 What are the common symptoms of a failing HVAC compressor?
What are the common symptoms of a failing HVAC compressor?
Common symptoms include reduced cooling performance, unusual noises (such as grinding or squealing), and visible refrigerant leaks. If the compressor clutch fails to engage, it may indicate an electrical issue or low refrigerant levels. Always diagnose with a professional scan tool.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Audi S6 HVAC System Service Manual
Coming SoonOfficial service manual for the 2006-2011 Audi S6 HVAC system, including detailed repair procedures, specifications, and troubleshooting guides.
HVAC Refrigerant Charging Guide
Coming SoonStep-by-step guide for safely charging the R134a refrigerant in the Audi S6 HVAC system, including pressure specifications and safety precautions.
Cabin Air Filter Replacement Tutorial
Coming SoonDetailed instructions for replacing the cabin air filter in the 2006-2011 Audi S6, including tools required and resetting the HVAC system.
HVAC Blower Motor Diagnostic Guide
Coming SoonComprehensive guide for diagnosing and replacing the HVAC blower motor in the Audi S6, including electrical testing procedures.
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