Audi Audi S7 2012-2018 HVAC Specifications
Detailed technical specifications and operational guide for the HVAC system in the 2012-2018 Audi S7. Includes component details, refrigerant specifications, control mechanisms, and diagnostic procedures.
Overview Specifications
Comprehensive description of the HVAC specifications for the 2012-2018 Audi S7, 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 sections using the table of contents. Each major section is divided into subsections for detailed technical information.
Key Specifications
Cooling Capacity
6.5 kW at 2000 rpm
Heating Output
7.2 kW at 2000 rpm
Refrigerant Capacity
550 ± 25 g
Cabin Air Filter Replacement
Every 15,000 miles
Defrost Performance
90% clearance in 5 minutes
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 refrigerant compressor
- High-performance blower motor with variable speed control
- Air quality sensor with automatic recirculation mode
- Rear seat ventilation ducts for passenger comfort
System Integration
- Integrated with Audi MMI (Multi Media Interface) for user control
- Linked to the vehicle's CAN bus for real-time data exchange
- Automatic temperature adjustment based on sunlight sensor input
- Compatible with Audi Connect for remote climate control
- Diagnostic interface for system troubleshooting
Note: The HVAC system is designed to work seamlessly with the vehicle's electronics, ensuring optimal performance and user convenience.
Performance Specifications
This section details the performance metrics of the HVAC system, including cooling capacity, heating efficiency, and airflow rates.
Performance Specifications
This section details the performance metrics of the HVAC system, including cooling capacity, heating efficiency, and airflow rates.
Cooling Capacity
- Maximum cooling capacity: 6.5 kW at 2000 rpm
- Refrigerant type: R134a
- Refrigerant capacity: 550 ± 25 g
- Evaporator temperature range: 2°C to 10°C
- Compressor displacement: 120 cc
Heating Efficiency
- Heating output: 7.2 kW at 2000 rpm
- Coolant flow rate: 12 L/min
- Heater core temperature range: 80°C to 95°C
- Automatic temperature control accuracy: ±1°C
- Defrost performance: 90% windshield clearance in 5 minutes
Note: The heating system is optimized for rapid cabin warming and efficient defrosting in cold conditions.
Maintenance and Service
This section covers maintenance requirements, service intervals, and troubleshooting tips for the HVAC system.
Maintenance and Service
This section covers maintenance requirements, service intervals, and troubleshooting tips for the HVAC system.
Service Intervals
- Cabin air filter replacement: Every 15,000 miles or 12 months
- Refrigerant level check: Every 30,000 miles or 24 months
- Blower motor inspection: Every 50,000 miles
- System pressure test: Every 60,000 miles
- Compressor oil check: Every 100,000 miles
Troubleshooting
- Common issue: Reduced airflow due to clogged cabin filter
- Diagnostic code retrieval via OBD-II port
- Check for refrigerant leaks using UV dye
- Inspect electrical connections for corrosion
- Verify blower motor functionality with voltage test
Note: Regular maintenance is critical to ensure the longevity and performance of the HVAC system.
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Component Specifications
General Specifications
- System Type
- Automatic Climate Control with Dual-Zone Temperature Regulation
- Refrigerant Type
- R134a
- Refrigerant Capacity
- 525 ± 25 grams
- Compressor Type
- Variable Displacement
- Compressor Part Number
- 4G0-260-805-A
- Blower Motor Type
- Electronically Controlled
- Blower Motor Part Number
- 4G0-820-015-B
Temperature Control
- Temperature Range
- 16°C to 29.5°C (60.8°F to 85.1°F)
- Temperature Resolution
- 0.5°C (0.9°F)
- Dual Zone Difference Limit
- 4°C (7.2°F)
- Sensor Accuracy
- ±0.5°C (±0.9°F)
- Sensor Part Number
- 4G0-907-543-C
Airflow Control
- Fan Speed Range
- 1 to 7 levels
- Max Airflow Rate
- 12.5 m³/min
- Air Distribution Modes
-
- Face
- Footwell
- Defrost
- Combination
- Recirculation Mode
- Automatic and Manual
- Recirculation Motor Part Number
- 4G0-820-511-D
Heating System
- Heater Core Type
- Aluminum
- Heater Core Part Number
- 4G0-819-021-E
- Max Heating Capacity
- 6.5 kW
- Coolant Flow Rate
- 12 L/min
- Coolant Temperature Range
- 80°C to 105°C (176°F to 221°F)
Cooling System
- Evaporator Type
- Plate and Fin
- Evaporator Part Number
- 4G0-820-301-F
- Max Cooling Capacity
- 4.2 kW
- Condenser Type
- Parallel Flow
- Condenser Part Number
- 4G0-820-401-G
Filtration System
- Filter Type
- Pollen and Activated Carbon
- Filter Part Number
- 4G0-819-439-A
- Filter Replacement interval
- 15,000 miles or 12 months
- Filter Efficiency
- 99% for particles > 0.3 microns
Pressure Specifications
- Low Pressure Side
- 1.5 to 2.5 bar (21.8 to 36.3 psi)
- High Pressure Side
- 10 to 15 bar (145 to 217.5 psi)
- Pressure Sensor Part Number
- 4G0-907-051-D
- Pressure Tolerance
- ±0.2 bar (±2.9 psi)
Electrical Specifications
- System Voltage
- 12V DC
- Compressor Power Consumption
- 400W max
- Blower Motor Power Consumption
- 200W max
- Control Module Part Number
- 4G0-907-044-E
- Fuse Rating
- 30A
Diagnostic Specifications
- Diagnostic interface
- OBD-II
- Fault Code Storage
- Up to 20 codes
- Self Diagnosis Capability
- Yes
- Diagnostic Tool Compatibility
-
- VAS 5054A
- ODIS
- Common Fault Codes
-
- B10A0
- B10A1
- B10A2
Maintenance Specifications
- Refrigerant Recharge interval
- Every 2 years or 24,000 miles
- Compressor Oil Type
- PAG 46
- Compressor Oil Capacity
- 150 ml
- System Leak Test interval
- Every 12 months
- Belt Tension Specification
- 500 ± 50 N
Service Information Service
Detailed service requirements and schedules for the HVAC system
- Replace cabin air filter
- Inspect refrigerant level
- Check compressor belt tension
Ensure all connections are secure and free of leaks
- Recharge refrigerant
- Inspect evaporator and condenser for debris
- Test system pressure
Use only manufacturer-approved refrigerant and oil
- Replace compressor oil
- Inspect and clean blower motor
- Check all electrical connections
Perform a full system diagnostic using approved tools
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the refrigerant type and capacity for the 2012-2018 Audi S7 HVAC system?
What is the refrigerant type and capacity for the 2012-2018 Audi S7 HVAC system?
The 2012-2018 Audi S7 HVAC system uses R-134a 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 after replacing the cabin air filter?
How do I reset the HVAC system after replacing the cabin air filter?
To reset the HVAC system, use the Audi MMI system. Navigate to 'Car' > 'Settings' > 'Service & Checks' > 'Change Air Filter' and confirm the replacement. This ensures the system recognizes the new filter and resets any service indicators.
Q3 What is the recommended interval for HVAC system maintenance?
What is the recommended interval for HVAC system maintenance?
Audi recommends inspecting the HVAC system every 20,000 miles or 24 months, whichever comes first. This includes checking refrigerant levels, cabin air filter replacement, and inspecting for leaks or system malfunctions.
Q4 How do I diagnose a weak airflow from the HVAC system?
How do I diagnose a weak airflow from the HVAC system?
Weak airflow may indicate a clogged cabin air filter, a malfunctioning blower motor, or blocked air ducts. Inspect and replace the cabin air filter if necessary. If the issue persists, use VCDS or Audi diagnostic tools to check for fault codes related to the blower motor or control module.
Q5 What is the operating temperature range for the HVAC system?
What is the operating temperature range for the HVAC system?
The HVAC system can deliver air temperatures between 40°F (4°C) and 140°F (60°C). The system uses a dual-zone climate control, allowing independent temperature settings for the driver and front passenger.
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 S7 HVAC System Service Manual
Coming SoonOfficial service manual for the 2012-2018 Audi S7 HVAC system, including detailed repair procedures and specifications.
HVAC Refrigerant Charging Guide
Coming SoonStep-by-step guide for safely charging the HVAC system with R-134a refrigerant, including pressure specifications and safety precautions.
Cabin Air Filter Replacement Tutorial
Coming SoonVideo tutorial demonstrating the proper procedure for replacing the cabin air filter in the 2012-2018 Audi S7.
HVAC System Diagnostic Codes
Coming SoonComprehensive list of diagnostic trouble codes (DTCs) specific to the Audi S7 HVAC system, with troubleshooting tips.
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