Audi Audi A4 2017-present HVAC Specifications
Detailed technical specifications for the HVAC system in the 2017-Present Audi A4, including system components, performance metrics, and troubleshooting guidelines.
HVAC Specifications Overview Specifications
This document provides a detailed overview of the HVAC (Heating, Ventilation, and Air Conditioning) specifications for the 2017-Present Audi A4. It includes technical details, system components, and operational parameters. Use this guide to understand the capabilities and features of the HVAC system, diagnose issues, and perform maintenance. Navigate through the sections to find specific information, and use the quick reference section for key specifications.
How to Use
To search for specific information, use the search functionality by typing keywords related to HVAC components, features, or technical terms. Use filters to narrow down results by section or subsection.
Navigate through the document by using the table of contents or section headers. Each major section contains subsections with detailed technical points. Use the quick reference section for fast access to key specifications.
Key Specifications
Cooling Capacity
12,000 BTU/h
Airflow Speeds
10-speed fan control
Temperature Control
0.5°C increments
Filter Efficiency
99.9% at 0.3 μm
Humidity Control
Automatic mode switching
Available Specifications
System Overview
This section provides a general overview of the HVAC system in the 2017-Present Audi A4, including its design, components, and basic functionality.
System Overview
This section provides a general overview of the HVAC system in the 2017-Present Audi A4, including its design, components, and basic functionality.
System Design and Components
- Dual-zone automatic climate control standard
- Three-zone climate control available on higher trims
- Electronic climate control with digital display
- Air quality sensor with automatic recirculation
- pollen filter integrated into the system
Heating and Cooling Capabilities
- High-performance heating elements for rapid warmth
- Cooling capacity up to 12,000 BTU/h
- Dual evaporators for improved cooling efficiency
- Heating system compatible with synthetic oil
- Cooled seats available as an optional feature
Climate Control Features
This section details the advanced climate control features of the Audi A4, including temperature control, airflow management, and automation.
Climate Control Features
This section details the advanced climate control features of the Audi A4, including temperature control, airflow management, and automation.
Temperature and Airflow Control
- Digital temperature control with 0.5°C increments
- Automatic airflow control with 10-speed fan
- Dual-zone temperature control for driver and passenger
- Rear seat ventilation available on select models
- Airflow distribution to footwells, defrost, and vents
Automation and Sensors
- Advanced climate control automation with learning capability
- Ambient temperature sensor for adaptive control
- Humidity sensor for automatic mode switching
- Sunlight sensor for temperature compensation
- Smart defrost function to maintain visibility
Air Quality and Filtration
This section covers the air quality management and filtration systems in the Audi A4, including pollen filters and air purification features.
Air Quality and Filtration
This section covers the air quality management and filtration systems in the Audi A4, including pollen filters and air purification features.
Air Filtration System
- Multi-layer pollen filter with activated carbon
- Filter efficiency of 99.9% for particles down to 0.3 μm
- Automatic filter replacement indicator
- Optional ionizer for air purification
- Integrated moisture-sensing technology
Air Quality Management
- Automatic air recirculation in polluted environments
- Air quality sensor with real-time monitoring
- Optional air purification system with allergen removal
- Fresh air intake with adjustable vent control
- Silent operation mode for reduced noise
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- Automatic Climate Control
- Configuration
- Dual-Zone
- Platform
- MLB (Modular Longitudinal Matrix)
- Material
- Plastics and Aluminum
- Location
- Under Dashboard, Driver Side
Dimensions
- Overall
- 12 in x 10 in x 8 in (305 mm x 254 mm x 203 mm)
- Blower Motor Diameter
- 6 in (152 mm)
- Cooling Capacity
- 32,000 BTU (9,000 W)
- Compressor Dimensions
- 7 in x 5 in x 4 in (178 mm x 127 mm x 102 mm)
- Condenser Dimensions
- 24 in x 12 in (610 mm x 305 mm)
- Evaporator Dimensions
- 20 in x 10 in (508 mm x 254 mm)
Materials
- Ducts
- High-Density Polyethylene
- Heat Exchangers
- Aluminum
- insulation
- Polyurethane Foam
- Refrigerant Lines
- Stainless Steel
- Blower Motor Housing
- Steel
Features
- Climate Control
-
- Dual-Zone Automatic Climate Control
- Electronic Climate Control
- Multi-Zone Temperature Control
- Automatic Air Recirculation
- Air Quality
-
- Cabin Air Filter
- Air Quality Sensor
- Odor Filtration
- Pollutant-Sensing Mode
- Airflow
-
- Variable Airflow Control
- Adjustable Ventilation
- Heated Airflow
- Cooled Airflow
- Heating
-
- Electric Heating Elements
- Rapid Warm-Up Function
- Heated Seats Integration
- Windshield Defrost
- Noise Reduction
-
- Silent Blower Operation
- Noise-Reducing Insulation
- Vibration Dampening
- Acoustic Optimization
Safety Features
- Emergency Shutdown
-
- Automatic System Shutdown
- Collision Detection Shut-Off
- Overheating Protection
- Pressure Protection
-
- High-Pressure Cut-Off
- Low-Pressure Safety Valve
- Leak Protection
-
- Refrigerant Leak Detection
- Automatic Isolation
Comfort Features
- Temperature Control
-
- Dual-Zone Control
- Individual Temperature Settings
- Automatic Temperature Adjustment
- Humidity Management
-
- Humidity Sensor
- Automatic Defogging
- Dehumidification Mode
- Airflow Distribution
-
- Multi-Directional Vents
- Zone-Specific Airflow
- Adjustable Airflow Speed
- Noise Reduction
-
- Silent Operation
- Vibration-Free Design
- Acoustic Insulation
Accessories
- Filters
-
- Cabin Air Filter
- Pollen Filter
- Activated Carbon Filter
- Sensors
-
- Temperature Sensors
- Humidity Sensors
- Air Quality Sensors
- Optional Equipment
-
- Remote Start Climate Control
- Heated Steering Wheel
- Scent Diffuser
Maintenance
- Service interval
- Every 12 months or 15,000 miles
- Service Items
-
- Cabin Air Filter Replacement
- Refrigerant Level Check
- Condenser Coils Cleaning
- Drain Tube Inspection
- Blower Motor Filter Cleaning
- Hoses and Connections Inspection
- Maintenance Notes
- Use only R-1234yf refrigerant. Inspect for refrigerant leaks annually.
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: All HVAC Components
- Powertrain
- Miles: 50,000Years: 4Coverage: HVAC Compressor and Blower Motor
- Corrosion
- Miles: UnlimitedYears: 12Coverage: Metal Components Only
- Maintenance
- Miles: 10,000Years: 1Coverage: Scheduled Maintenance Items
Production Details
- Manufacturer
- Audi AG
- Manufacturing Process
-
- Robotically Welded Components
- 3D-Printed Ductwork
- Laser-Welded Seams
- Automated Assembly Line
- Quality Control
- Testing: Leakage Testing, Performance Testing, Noise Level TestingCertifications: ISO 9001, IATF 16949
- Sustainability Practices
-
- Use of Recyclable Materials
- Eco-Friendly Refrigerant
- Energy-Efficient Manufacturing
- Production Metrics
- Daily Production: 500 unitsRecyclability: 95%Efficiency: 98%Warranty Rate: Less than 1%
Service Information for HVAC Service
Maintenance and service requirements specific to this component
- Cabin Air Filter Replacement
- Inspect and Clean Condenser Coils
- Check Refrigerant Levels
- Inspect Drain Tube
- Clean Blower Motor Filter
- Inspect Hoses and Connections
Ensure use of R-1234yf refrigerant.
- Inspect and Replace Desiccant
- Check Compressor Performance
- Inspect Expansion Valve
- Test Temperature Sensors
- Inspect Blower Motor
- Check for Refrigerant Leaks
Use specialized tools for refrigerant handling.
- Replace Compressor Clutch
- Inspect and Clean Condenser Fins
- Replace Expansion Valve
- Test Heater Core
- Inspect and Clean Blower Motor
- Check Compressor Belt Tension
Critical to follow proper safety procedures.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the refrigerant type and capacity for the 2017-Present Audi A4 HVAC system?
What is the refrigerant type and capacity for the 2017-Present Audi A4 HVAC system?
The 2017-Present Audi A4 HVAC system uses R-1234yf refrigerant, with a total system capacity of approximately 525 grams (± 25 grams). This refrigerant is environmentally friendly and complies with EU regulations.
Q2 How does the dual-zone automatic climate control system work in the Audi A4?
How does the dual-zone automatic climate control system work in the Audi A4?
The dual-zone automatic climate control system allows the driver and front passenger to set individual temperature preferences. The system uses multiple sensors, including sunlight and humidity sensors, to maintain the desired cabin environment. The temperature range is adjustable from 16°C (60.8°F) to 29.5°C (85.1°F) in 0.5°C increments.
Q3 What is the airflow rate of the Audi A4 HVAC system?
What is the airflow rate of the Audi A4 HVAC system?
The Audi A4 HVAC system delivers a maximum airflow rate of approximately 12.5 cubic meters per minute (m³/min) when operating at full capacity. This ensures rapid cooling or heating of the cabin, depending on the selected settings.
Q4 How do I reset the HVAC system in my Audi A4?
How do I reset the HVAC system in my Audi A4?
To reset the HVAC system, turn the ignition on but do not start the engine. Press and hold the 'AUTO' and 'ECON' buttons simultaneously for 5 seconds until the display flashes. This resets the system to factory default settings. Refer to the owner's manual for detailed instructions.
Q5 What are the common signs of a failing HVAC compressor in the Audi A4?
What are the common signs of a failing HVAC compressor in the Audi A4?
Common signs include reduced cooling performance, unusual noises (such as grinding or squealing), and the A/C clutch not engaging. If the compressor fails, it may also trigger a fault code in the vehicle's diagnostic system. Immediate professional inspection is recommended to prevent further damage.
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 A4 HVAC System Service Manual
Coming SoonOfficial service manual for the 2017-Present Audi A4 HVAC system, including detailed repair and maintenance procedures.
Refrigerant Handling and Safety Guidelines
Coming SoonComprehensive guide on handling R-1234yf refrigerant, including safety precautions and proper disposal methods.
Audi A4 HVAC Troubleshooting Guide
Coming SoonStep-by-step troubleshooting guide for common HVAC issues in the 2017-Present Audi A4.
Genuine Audi HVAC Parts Catalog
Coming SoonCatalog of genuine Audi HVAC components, including compressors, condensers, and sensors, for the 2017-Present A4.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.