Audi Audi RS4 2000-2001 HVAC Specifications
Detailed technical specifications and operational guide for the HVAC system in the 2000-2001 Audi RS4. Includes component details, diagnostic procedures, and maintenance tips for the climate control system.
Overview Specifications
Comprehensive description of the HVAC specifications for the 2000-2001 Audi RS4, 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
750 ± 25 g
Compressor Displacement
160 cc
Heater Core Capacity
6.8 kW
Airflow Velocity
Up to 12 m/s
Cabin Air Filter Efficiency
95% for particles > 0.3 µm
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 and Layout
- Dual-zone automatic climate control system
- Integrated heating and cooling system with separate controls for driver and passenger
- Electronically controlled blower motor with variable speed settings
- Refrigerant type: R134a, capacity: 750 ± 25 g
- Air distribution through 12 adjustable vents
Key Components
- High-performance compressor with a displacement of 160 cc
- Condenser with a surface area of 0.45 m²
- Evaporator core with a cooling capacity of 5.2 kW
- Heater core with a heating capacity of 6.8 kW
- Cabin air filter with activated carbon for particulate and odor filtration
Note: The compressor is designed for high efficiency and low noise levels, ensuring optimal performance in all driving conditions.
Temperature Control System
This section details the temperature control mechanisms, including sensors, actuators, and control logic.
Temperature Control System
This section details the temperature control mechanisms, including sensors, actuators, and control logic.
Temperature Sensors
- Interior temperature sensor with an accuracy of ±0.5°C
- Exterior temperature sensor with a range of -40°C to 60°C
- Solar radiation sensor for automatic adjustment of cooling intensity
- Evaporator temperature sensor to prevent icing
Control Logic
- Microprocessor-based control unit with adaptive algorithms
- Automatic adjustment of fan speed based on temperature delta
- Integration with the vehicle's CAN bus for real-time data exchange
- Manual override available for all settings
Note: The control logic ensures rapid and precise temperature adjustments, maintaining comfort in all conditions.
Air Distribution and Filtration
This section covers the air distribution system, including ductwork, vents, and filtration mechanisms.
Air Distribution and Filtration
This section covers the air distribution system, including ductwork, vents, and filtration mechanisms.
Air Distribution
- Four main air ducts with a total length of 8.5 meters
- Adjustable side and center vents for directional airflow
- Footwell and windshield defrost vents with independent controls
- Airflow velocity: up to 12 m/s at maximum blower speed
Filtration System
- Cabin air filter with a filtration efficiency of 95% for particles > 0.3 µm
- Activated carbon layer for odor and gas filtration
- Filter replacement interval: 15,000 km or 12 months
- Filter dimensions: 250 mm x 200 mm x 25 mm
Note: The filtration system is designed to maintain air quality, especially in urban environments with high pollution levels.
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Component Specifications
General Specifications
- System Type
- Automatic Climate Control
- Refrigerant Type
- R134a
- Refrigerant Capacity
- 750 ± 25 grams
- Compressor Type
- Variable Displacement
- Compressor Oil Type
- PAG 46
- Compressor Oil Capacity
- 150 ± 10 ml
Blower Motor
- Power Rating
- 200W
- Voltage
- 12V DC
- Max Airflow
- 450 m³/h
- Part Number
- 8D0820055B
- Tolerance
- ±5% airflow variation
Heating System
- Heater Core Material
- Aluminum
- Heater Core Flow Rate
- 8-10 liters/min
- Max Heater Output
- 6.5 kW
- Coolant Temperature Range
- 85°C to 105°C
- Part Number
- 8D0820311A
Air Conditioning
- Evaporator Material
- Aluminum
- Evaporator Capacity
- 3.5 kW
- Condenser Material
- Aluminum
- Condenser Capacity
- 4.2 kW
- Expansion Valve Type
- Thermostatic
- Part Number
- 8D0820455C
Air Distribution
- Duct Material
- ABS Plastic
- Airflow Direction Control
- Automatic
- Airflow Speed Range
- 1-10 levels
- Recirculation Mode
- Automatic/Manual
- Part Number
- 8D0820105D
Sensors
- interior Temperature Sensor
- Type: NTC ThermistorRange: -40°C to 85°CAccuracy: ±0.5°CPart Number: 8D0820531A
- Exterior Temperature Sensor
- Type: NTC ThermistorRange: -40°C to 85°CAccuracy: ±1°CPart Number: 8D0820532B
- Sunlight Sensor
- Type: PhotodiodeRange: 0-1000 W/m²Accuracy: ±5%Part Number: 8D0820533C
Control Unit
- Type
- Microprocessor-based
- Voltage
- 12V DC
- Operating Temperature
- -30°C to 85°C
- Part Number
- 8D0820044E
- Diagnostic interface
- OBD-II compliant
Filters
- Cabin Air Filter
- Type: Particle and Activated CarbonEfficiency: 95% at 0.3 micronsReplacement interval: 15,000 miles or 12 monthsPart Number: 8D0820439A
- Pollen Filter
- Type: ParticleEfficiency: 90% at 0.5 micronsReplacement interval: 15,000 miles or 12 monthsPart Number: 8D0820439B
Operational Parameters
- Temperature Setting Range
- 16°C to 30°C
- Humidity Control
- Automatic
- Defrost Time
- 3-5 minutes at max airflow
- Recirculation Time Limit
- 20 minutes
Diagnostic Specifications
- Fault Codes
-
- P0532 - A/C Refrigerant Pressure Sensor Low
- P0533 - A/C Refrigerant Pressure Sensor High
- P0534 - A/C Refrigerant Charge Loss
- P0535 - A/C Evaporator Temperature Sensor Circuit
- Diagnostic Tool
- VAG-COM or equivalent
- Test Voltage
- 12V DC
- Test Frequency
- 1 Hz
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 operation
- Test HVAC control unit functionality
Use only Audi-approved refrigerant and lubricants
- Inspect and clean evaporator and condenser
- Check heater core for leaks
- Inspect all HVAC ducts for blockages
- Test all sensors for accuracy
Perform a full system diagnostic using VAG-COM
- Replace refrigerant and compressor oil
- Inspect and replace expansion valve if necessary
- Check and recalibrate control unit
- Inspect and replace blower motor if necessary
Ensure all seals and gaskets are in good condition
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What is the refrigerant type and capacity for the 2000-2001 Audi RS4 HVAC system?
What is the refrigerant type and capacity for the 2000-2001 Audi RS4 HVAC system?
The 2000-2001 Audi RS4 HVAC system uses R134a refrigerant. The total system capacity is approximately 850 grams (30 ounces). Ensure the refrigerant is handled according to local regulations and safety standards.
Q2 How do I reset the HVAC control module on the 2000-2001 Audi RS4?
How do I reset the HVAC control module on the 2000-2001 Audi RS4?
To reset the HVAC control module, disconnect the vehicle's battery for at least 10 minutes. Reconnect the battery and turn the ignition to the 'ON' position without starting the engine. Allow the system to recalibrate for 5-10 minutes. If issues persist, consult a professional technician or use a diagnostic tool to clear any fault codes.
Q3 What is the recommended interval for replacing the cabin air filter in the 2000-2001 Audi RS4?
What is the recommended interval for replacing the cabin air filter in the 2000-2001 Audi RS4?
The cabin air filter should be replaced every 15,000 to 20,000 miles or annually, whichever comes first. In dusty or polluted environments, more frequent replacement may be necessary. The filter is located behind the glove compartment and is accessible without special tools.
Q4 What are the common symptoms of a failing HVAC blower motor in the 2000-2001 Audi RS4?
What are the common symptoms of a failing HVAC blower motor in the 2000-2001 Audi RS4?
Common symptoms include reduced airflow, unusual noises (such as grinding or squealing), intermittent operation, or complete failure of the blower motor. These issues may be caused by a worn motor, faulty resistor, or electrical problems. Diagnosis and repair should be performed by a qualified technician.
Q5 How do I diagnose a refrigerant leak in the 2000-2001 Audi RS4 HVAC system?
How do I diagnose a refrigerant leak in the 2000-2001 Audi RS4 HVAC system?
Use a UV dye kit or an electronic leak detector to identify refrigerant leaks. Common leak points include the compressor, condenser, evaporator, and O-ring seals. If a leak is detected, the system must be evacuated, repaired, and recharged with the correct amount of refrigerant. Always follow proper safety procedures when handling refrigerants.
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 for the 2000-2001 Audi RS4 HVAC system, including detailed repair procedures and specifications.
HVAC Troubleshooting Guide
Coming SoonStep-by-step guide to diagnosing and resolving common HVAC issues in the 2000-2001 Audi RS4.
Refrigerant Handling and Safety Guidelines
Coming SoonComprehensive guide on safe handling, storage, and disposal of R134a refrigerant, including regulatory compliance.
Cabin Air Filter Replacement Tutorial
Coming SoonVideo tutorial demonstrating the proper procedure for replacing the cabin air filter in the 2000-2001 Audi RS4.
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