Audi Audi RS4 2012-2015 HVAC Specifications
Detailed technical specifications and repair guide for the 2012-2015 Audi RS4 HVAC system. Learn about climate control components, refrigerant types, and diagnostic procedures specific to the Audi RS4.
Overview Specifications
Comprehensive description of the HVAC specifications for the 2012-2015 Audi RS4, including key features, measurements, and technical details. This section provides detailed insights into the heating, ventilation, and air conditioning system, ensuring optimal performance and comfort.
How to Use
Use the search function to locate specific HVAC specifications by entering keywords such as 'blower motor', 'refrigerant capacity', or 'temperature control'.
Navigate through the HVAC documentation sections using the table of contents or by scrolling through the document. Each major section is clearly labeled for easy access.
Key Specifications
Refrigerant Capacity
550 ± 25 g
Cooling Capacity
6.5 kW
Heater Core Capacity
5.5 kW
Blower Motor Airflow
450 m³/h
Temperature Control Range
16°C to 30°C
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 with variable displacement
- High-capacity blower motor with 12-speed settings
- Integrated air quality sensor for automatic recirculation
- Rear seat ventilation ducts for passenger comfort
System Integration
- Fully integrated with the Audi MMI (Multi Media Interface)
- Automatic temperature control with sun sensor input
- CAN bus communication for system diagnostics
- Heated windshield and side mirrors for defrosting
- Optional heated and ventilated front seats
Note: The HVAC system is designed to work seamlessly with the vehicle's electronics, ensuring precise temperature control and energy efficiency.
Refrigerant and Cooling Specifications
This section details the refrigerant type, capacity, and cooling performance of the HVAC system.
Refrigerant and Cooling Specifications
This section details the refrigerant type, capacity, and cooling performance of the HVAC system.
Refrigerant Type and Capacity
- Refrigerant type: R134a
- Total system capacity: 550 ± 25 g
- Refrigerant oil type: PAG (Polyalkylene Glycol)
- Oil capacity: 150 ± 10 ml
- Refrigerant pressure: 2.5 - 3.5 bar (operating range)
Cooling Performance
- Maximum cooling capacity: 6.5 kW
- Evaporator temperature range: 2°C to 10°C
- Condenser temperature range: 50°C to 70°C
- Compressor displacement: 120 cc/rev
- Cooling system efficiency: 85%
Note: The cooling system is optimized for high performance, ensuring rapid cabin cooling even in extreme conditions.
Heating and Ventilation Specifications
This section covers the heating and ventilation components, including their specifications and performance metrics.
Heating and Ventilation Specifications
This section covers the heating and ventilation components, including their specifications and performance metrics.
Heating System
- Heater core capacity: 5.5 kW
- Coolant flow rate: 12 L/min
- Heater blower airflow: 450 m³/h
- Temperature control range: 16°C to 30°C
- Heated rear window and mirrors for defrosting
Ventilation System
- Dual-zone air distribution with 4 modes (face, foot, windshield, combined)
- Airflow distribution accuracy: ±5%
- Pollen and dust filter with activated carbon layer
- Rear seat ventilation ducts with adjustable airflow
- Automatic air recirculation based on air quality sensor
Note: The ventilation system ensures optimal air distribution and quality, enhancing passenger comfort and safety.
Electrical and Control Specifications
This section provides details on the electrical components and control systems of the HVAC system.
Electrical and Control Specifications
This section provides details on the electrical components and control systems of the HVAC system.
Electrical Components
- Blower motor power consumption: 200 W
- Compressor clutch voltage: 12 V DC
- HVAC control module operating voltage: 9 - 16 V
- Temperature sensor accuracy: ±0.5°C
- Actuator motor torque: 2.5 Nm
Control Systems
- Automatic temperature control with PID algorithm
- Sun sensor input for solar compensation
- CAN bus communication for system diagnostics
- MMI interface for user control and settings
- Fault detection and diagnostic system (OBD-II compliant)
Note: The control systems are designed for precision and reliability, ensuring consistent performance under all conditions.
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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 Power
- 200 W
- Airflow Capacity
- Up to 12 m³/min
Temperature Control
- Temperature Range
- 16°C to 30°C
- Temperature Resolution
- 0.5°C
- Sensor Accuracy
- ±1°C
- Auto Mode Response Time
- 2-3 minutes
Air Distribution
- Vent Modes
-
- Face
- Foot
- Defrost
- Combination
- Airflow Direction Adjustment
- Manual and Automatic
- Recirculation Mode
- Automatic and Manual
- Defrost Time
- 3-5 minutes at full power
Filters
- Cabin Air Filter Type
- Particle and Activated Carbon
- Cabin Air Filter Part Number
- 4G0 819 439
- Replacement interval
- 15,000 miles or 12 months
- Filter Efficiency
- 99% of particles > 0.3 µm
Compressor Specifications
- Compressor Part Number
- 8K0 260 805
- Displacement Volume
- 160 cc
- Maximum Pressure
- 30 bar
- Oil Type
- PAG 46
- Oil Capacity
- 150 ± 10 ml
Condenser Specifications
- Condenser Part Number
- 8K0 260 451
- Material
- Aluminum
- Dimensions
- 600 mm x 300 mm x 20 mm
- Pressure Limit
- 35 bar
Evaporator Specifications
- Evaporator Part Number
- 8K0 260 301
- Material
- Aluminum
- Dimensions
- 250 mm x 200 mm x 50 mm
- Pressure Limit
- 25 bar
Blower Motor Specifications
- Blower Motor Part Number
- 8K0 820 015
- Voltage
- 12 V
- Current Draw
- 16.7 A
- Speed Control
- PWM (Pulse Width Modulation)
Diagnostic Specifications
- Diagnostic interface
- OBD-II
- Fault Codes
-
- B10A0
- B10A1
- B10A2
- Diagnostic Tool
- VAS 5054A or equivalent
- Self Diagnosis
- Yes
Safety Specifications
- High Pressure Cutoff
- 32 bar
- Low Pressure Cutoff
- 1.5 bar
- Temperature Sensor Fail Safe
- Default to 22°C
- Emergency Shutdown
- Automatic in case of overpressure
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 and belt
Use only Audi-approved refrigerant and lubricants
- Inspect condenser and evaporator for debris
- Check blower motor operation
- Perform system leak test
Ensure all connections are tight and free of leaks
- Replace refrigerant and oil
- Inspect and clean all ducts
- Check and calibrate temperature sensors
Follow Audi service manual procedures for refrigerant handling
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the refrigerant type and capacity for the 2012-2015 Audi RS4 HVAC system?
What is the refrigerant type and capacity for the 2012-2015 Audi RS4 HVAC system?
The 2012-2015 Audi RS4 HVAC system uses R134a refrigerant. The total system capacity is approximately 525 grams (18.5 ounces). Always ensure the refrigerant is handled and charged according to Audi specifications to avoid system damage.
Q2 What is the recommended interval for HVAC system maintenance on the Audi RS4?
What is the recommended interval for HVAC system maintenance on the Audi RS4?
Audi recommends inspecting the HVAC system every 20,000 miles or 24 months, whichever comes first. This includes checking refrigerant levels, cabin air filters, and system performance. Regular maintenance ensures optimal efficiency and prevents costly repairs.
Q3 How do I reset the HVAC system on a 2012-2015 Audi RS4?
How do I reset the HVAC system on a 2012-2015 Audi RS4?
To reset the HVAC system, turn the ignition to the 'ON' position without starting the engine. Press and hold the 'AUTO' and 'ECON' buttons simultaneously for 5 seconds until the display flashes. This resets the system to factory defaults and recalibrates the sensors.
Q4 What is the function of the cabin air filter in the HVAC system?
What is the function of the cabin air filter in the HVAC system?
The cabin air filter in the Audi RS4 HVAC system removes dust, pollen, and other airborne contaminants from the air entering the cabin. It should be replaced every 15,000 to 20,000 miles or as specified in the owner's manual to maintain air quality and system performance.
Q5 What are the common symptoms of a failing HVAC blower motor in the Audi RS4?
What are the common symptoms of a failing HVAC blower motor in the Audi RS4?
Common symptoms include reduced airflow, unusual noises (such as squeaking or grinding), and complete failure of the blower motor. If these issues occur, inspect the blower motor, resistor, and wiring harness. Replacement may be required to restore proper HVAC function.
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 RS4 HVAC System Service Manual
Coming SoonOfficial service manual detailing HVAC system components, maintenance procedures, and troubleshooting steps for the 2012-2015 Audi RS4.
HVAC Refrigerant Handling Guide
Coming SoonComprehensive guide on safely handling and charging R134a refrigerant in Audi vehicles, including safety precautions and environmental regulations.
Cabin Air Filter Replacement Tutorial
Coming SoonStep-by-step instructions for replacing the cabin air filter in the 2012-2015 Audi RS4, including tools required and safety tips.
HVAC Blower Motor Diagnostic Guide
Coming SoonDetailed diagnostic guide for identifying and resolving issues with the HVAC blower motor in the Audi RS4.
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