Audi Audi S4 2009-2016 HVAC Specifications
Detailed technical specifications and operational guide for the HVAC system in the 2009-2016 Audi S4. Includes component details, refrigerant specifications, climate control features, and troubleshooting tips.
Overview Specifications
Comprehensive description of the HVAC specifications for the 2009-2016 Audi S4, including key features, measurements, and technical details. This section covers the heating, ventilation, and air conditioning system, focusing on its components, performance, and maintenance requirements.
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 using the table of contents. Each major section is divided into subsections for detailed technical information. Use the quick reference section for key specifications.
Key Specifications
Refrigerant Capacity
525 ± 25 g
Blower Motor Power
200 W
Heater Core Capacity
6.5 kW
Cooling Capacity
5.5 kW
Airflow Volume
450 m³/h
Available Specifications
HVAC System Overview
This section provides an overview of the HVAC system, including its components, functionality, and integration with the vehicle's electronics.
HVAC System Overview
This section provides an overview of the HVAC system, including its components, functionality, and integration with the vehicle's electronics.
System Components
- Dual-zone automatic climate control system
- Electrically driven compressor for efficient cooling
- High-capacity blower motor with variable speed control
- Integrated pollen and dust filter for air quality
- Rear ventilation ducts for passenger comfort
System Integration
- Integrated with Audi MMI (Multi Media Interface) for user control
- CAN bus communication for real-time system monitoring
- Automatic temperature regulation based on external and internal sensors
- Defrost and defog functions optimized for quick windshield clearing
Note: The HVAC system is designed to work seamlessly with the vehicle's electronic systems, ensuring optimal performance and user convenience.
Refrigerant and Cooling Specifications
This section details the refrigerant type, capacity, and cooling performance specifications for the HVAC system.
Refrigerant and Cooling Specifications
This section details the refrigerant type, capacity, and cooling performance specifications for the HVAC system.
Refrigerant Type and Capacity
- Refrigerant type: R134a
- Total refrigerant capacity: 525 ± 25 g
- Refrigerant oil type: PAG (Polyalkylene Glycol)
- Oil capacity: 150 ± 10 ml
Cooling Performance
- Maximum cooling capacity: 5.5 kW at 2000 rpm
- Evaporator temperature range: 2°C to 10°C
- Compressor displacement: 120 cc
- Condenser airflow: 900 m³/h
Note: Ensure refrigerant levels are within the specified range to maintain optimal cooling performance.
Heating and Ventilation Specifications
This section covers the heating and ventilation components, including the heater core, blower motor, and air distribution system.
Heating and Ventilation Specifications
This section covers the heating and ventilation components, including the heater core, blower motor, and air distribution system.
Heater Core and Blower Motor
- Heater core capacity: 6.5 kW at 90°C coolant temperature
- Blower motor power: 200 W
- Blower motor speed range: 0 to 12,000 rpm
- Airflow volume: 450 m³/h at maximum speed
Air Distribution System
- Four-zone air distribution for precise climate control
- Adjustable vents with directional control
- Rear seat ventilation ducts with independent control
- Automatic recirculation mode for improved air quality
Note: The air distribution system is designed to provide consistent airflow to all areas of the vehicle.
Maintenance and Service Specifications
This section provides guidelines for maintaining and servicing the HVAC system, including filter replacement and system diagnostics.
Maintenance and Service Specifications
This section provides guidelines for maintaining and servicing the HVAC system, including filter replacement and system diagnostics.
Filter Replacement
- Pollen filter replacement interval: 15,000 miles or 12 months
- Activated carbon filter option available for improved air quality
- Filter housing located behind the glove compartment
- Replacement time: Approximately 15 minutes
System Diagnostics
- Diagnostic port located under the dashboard
- Use VCDS (VAG-COM Diagnostic System) for error code reading
- Common error codes include B10A0 (Blower Motor Fault) and B1080 (Temperature Sensor Fault)
- System self-diagnosis available via MMI interface
Note: Regular diagnostics are recommended to ensure the HVAC system operates efficiently.
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Component Specifications
General Specifications
- System Type
- Automatic dual-zone climate control
- Refrigerant Type
- R134a
- Refrigerant Capacity
- 525 ± 25 g
- Compressor Type
- Variable displacement
- Blower Motor Type
- Electronically controlled
Heating System
- Heater Core Material
- Aluminum
- Heater Core Flow Rate
- 8-12 L/min
- Max Heater Output
- 6.5 kW
- Coolant Temperature Range
- 85-105°C
- Heater Valve Type
- Electronically controlled
Cooling System
- Evaporator Material
- Aluminum
- Evaporator Temperature Range
- 2-10°C
- Condenser Material
- Aluminum
- Condenser Fan Type
- Electric
- Condenser Fan Power
- 150 W
Air Distribution
- Airflow Capacity
- 400-600 m³/h
- Vent Types
-
- Face
- Foot
- Defrost
- Combination
- Air Mix Control
- Electronically controlled
- Recirculation Mode
- Automatic and manual
Filters
- Cabin Filter Type
- Particle and activated carbon
- Cabin Filter Part Number
- 4G0 819 439
- Cabin Filter Replacement Interval
- 15,000 miles or 12 months
- Pollen Filter Efficiency
- 95% at 0.3 microns
Controls And Sensors
- Temperature Sensor Type
- NTC thermistor
- Temperature Sensor Range
- -40°C to 120°C
- Sunlight Sensor Type
- Photodiode
- Humidity Sensor Type
- Capacitive
- Control Unit Part Number
- 8K0 820 043
Compressor Specifications
- Compressor Part Number
- 8K0 260 805
- Compressor Oil Type
- PAG 46
- Compressor Oil Capacity
- 120 ± 10 ml
- Compressor Power Consumption
- 400 W
- Compressor Pressure Range
- 1.5-3.5 bar
Refrigerant Lines
- High Pressure Line Material
- Aluminum
- Low Pressure Line Material
- Aluminum
- Line Diameter High Pressure
- 10 mm
- Line Diameter Low Pressure
- 16 mm
- O Ring Material
- HNBR
Diagnostic Specifications
- Diagnostic interface
- OBD-II
- Fault Code Types
-
- P-codes
- U-codes
- B-codes
- Diagnostic Tool
- VAS 5054A or equivalent
- Self Diagnosis Capability
- Yes
- Common Fault Codes
-
- P0532
- P0533
- B10AF
Operational Limits
- Max System Pressure
- 30 bar
- Min System Pressure
- 1.5 bar
- Operating Temperature Range
- -30°C to 50°C
- Blower Motor Speed Range
- 0-12 V
- Compressor Shutdown Temperature
- 120°C
Service Information Service
Detailed service requirements and schedules for the HVAC system
- Inspect and replace cabin air filter
- Check refrigerant level and pressure
- Inspect compressor belt tension
- Test blower motor operation
Use only Audi-approved refrigerant and lubricants
- Inspect and clean evaporator and condenser
- Check for refrigerant leaks
- Test HVAC control unit functionality
- Inspect and clean air ducts
Perform a full system diagnostic if issues are detected
- Replace refrigerant and oil
- Inspect and replace O-rings
- Check and recalibrate sensors
- Inspect and replace blower motor if necessary
Ensure all components meet Audi specifications
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the refrigerant type and capacity for the 2009-2016 Audi S4 HVAC system?
What is the refrigerant type and capacity for the 2009-2016 Audi S4 HVAC system?
The 2009-2016 Audi S4 HVAC system uses R134a refrigerant. The total system capacity is approximately 525 grams (18.5 ounces). Always refer to the vehicle's service manual for precise specifications.
Q2 How do I reset the HVAC system on a 2009-2016 Audi S4?
How do I reset the HVAC system on a 2009-2016 Audi S4?
To reset the HVAC system, turn the ignition to the 'ON' position without starting the engine. Press and hold the 'ECON' and 'AUTO' buttons simultaneously for 5 seconds. The system will reset, and the display will confirm the process.
Q3 What is the recommended maintenance interval for the cabin air filter in the Audi S4?
What is the recommended maintenance interval for the cabin air filter in the Audi S4?
The cabin air filter should be inspected every 15,000 miles and replaced every 30,000 miles or as needed, depending on driving conditions. A clogged filter can reduce HVAC efficiency and air quality.
Q4 How does the dual-zone climate control system work in the Audi S4?
How does the dual-zone climate control system work in the Audi S4?
The dual-zone climate control system allows the driver and front passenger to set individual temperature preferences. The system uses separate sensors and actuators to maintain the desired temperature for each zone, ensuring optimal comfort.
Q5 What are the common symptoms of a failing HVAC blower motor in the Audi S4?
What are the common symptoms of a failing HVAC blower motor in the Audi S4?
Common symptoms include reduced airflow, unusual noises (such as grinding or squealing), and complete failure of the blower motor. If any of these symptoms occur, the blower motor should be inspected and replaced if necessary.
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 S4 HVAC System Service Manual
Coming SoonOfficial service manual for the 2009-2016 Audi S4 HVAC system, including detailed repair and maintenance procedures.
HVAC Troubleshooting Guide
Coming SoonStep-by-step guide to diagnosing and troubleshooting common HVAC issues in the Audi S4.
Cabin Air Filter Replacement Tutorial
Coming SoonDetailed tutorial on how to replace the cabin air filter in the 2009-2016 Audi S4, including tools and safety precautions.
Refrigerant Handling and Safety
Coming SoonComprehensive guide on handling R134a refrigerant safely, including proper disposal and environmental considerations.
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Technical Information
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