Acura TL 2004-2008 HVAC Specifications
Get detailed HVAC specifications for the 2004-2008 Acura TL, including heating, cooling, and ventilation system components, performance metrics, and maintenance tips.
2004-2008 Acura TL HVAC Specifications Overview Specifications
This document provides a comprehensive overview of the HVAC system specifications for the 2004-2008 Acura TL. It includes detailed technical information, key components, and operating parameters. Use this guide to understand the system's capabilities, diagnose issues, and perform maintenance. The document is organized into sections for easy navigation, with a quick reference section for fast access to critical specifications.
How to Use
To find specific information, use the search functionality by typing keywords related to the HVAC system, such as 'compressor' or 'heater core'. Results will highlight relevant sections.
Navigate through the document by selecting sections from the table of contents. Each section contains subsections with detailed technical specifications and descriptions.
Key Specifications
Compressor Type
Denso 10-piston variable displacement
Refrigerant Type
R-134a
Heater Core Size
12.5 x 6.5 x 2.5 inches
Blower Motor Speeds
5-speed with automatic control
Climate Control
Dual-zone automatic
Available Specifications
System Overview
This section provides a general overview of the HVAC system, including its major components and features. It explains how the system operates and integrates with other vehicle systems.
System Overview
This section provides a general overview of the HVAC system, including its major components and features. It explains how the system operates and integrates with other vehicle systems.
Key Components
- Compressor: Denso 10-piston type
- Condenser: Tube-and-fin design with integrated sub-cooler
- Evaporator: Plate-and-fin type with expansion valve
- Heater Core: Dual-pass design for efficient heating
- Blower Motor: Dual-speed with automatic control
- Control Unit: Electronic climate control with dual-zone capability
System Features
- Dual-zone automatic climate control
- Air quality sensor for automatic recirculation
- Rear seat heating ducts (optional)
- Pollent filter with anti-microbial treatment
- Automatic defogging and defrosting modes
- Cabin air filter monitoring system
Heating System
This section details the heating system components, their specifications, and operating characteristics. It includes information on heater core performance and system controls.
Heating System
This section details the heating system components, their specifications, and operating characteristics. It includes information on heater core performance and system controls.
Heater Core Specifications
- Core size: 12.5 x 6.5 inches
- Core thickness: 2.5 inches
- Water flow rate: 2.5 gallons per minute
- Maximum temperature output: 140°F (60°C)
- Minimum temperature output: 50°F (10°C)
- Pressure rating: 15 psi
Heating System Controls
- Electronic control unit with temperature blending
- Dual-zone temperature control for driver and passenger
- Heater valve operation: Wax pellet type
- Cabin temperature sensor accuracy: ±1.5°F
- Heater fan speed control: 5-speed with automatic mode
Cooling System
This section covers the cooling system's components, specifications, and performance metrics. It includes details on the compressor, condenser, and evaporator.
Cooling System
This section covers the cooling system's components, specifications, and performance metrics. It includes details on the compressor, condenser, and evaporator.
Compressor Specifications
- Type: Denso 10-piston variable displacement
- Displacement: 144 cc
- Maximum pressure: 350 psi
- Minimum suction pressure: 30 psi
- Oil type: PAG 46
- Operating temperature range: -22°F to 158°F
Condenser and Evaporator
- Condenser size: 34 x 12 x 1 inches
- Evaporator size: 28 x 8 x 2 inches
- Refrigerant type: R-134a
- Refrigerant capacity: 2.5 lbs
- Tube material: Aluminum
- Fin spacing: 6 fins per inch
Control Systems
This section explains the electronic and mechanical controls of the HVAC system, including sensors, actuators, and control units.
Control Systems
This section explains the electronic and mechanical controls of the HVAC system, including sensors, actuators, and control units.
Electronic Control Unit (ECU)
- Type: Acura-specific climate control module
- Power supply: 12V DC
- Communication: CAN bus integration
- Memory: Stores user preferences for temperature and air distribution
- Diagnostic capability: OBD-II compatible
- Update capability: Re-flashable firmware
Sensors and Actuators
- Temperature sensors: NTC type with 0.5% accuracy
- Humidity sensor: Capacitive type with 5% accuracy
- Pressure sensors: Piezoresistive type with 1% accuracy
- Airflow control actuators: Stepper motor type
- Heater valve actuator: Wax pellet type with 2-second response time
- Blower motor resistor: 5-speed with PWM control
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Component Specifications
Overview
- Type
- Automatic Climate Control System
- Configuration
- Dual-zone automatic climate control
- Platform
- Acura TL (4th generation)
- Material
- Aluminum and steel components
- Location
- Dash-mounted HVAC unit with rear air vents
Dimensions
- Compressor Size
- 6.5 inches (length) x 4.3 inches (width)
- Condenser Dimensions
- 26.8 inches (length) x 12.2 inches (width) x 1.5 inches (height)
- Evaporator Size
- 14.5 inches (length) x 8.7 inches (width) x 2.1 inches (height)
- Heater Core Size
- 10.2 inches (length) x 6.5 inches (width) x 2.5 inches (height)
- Air Duct Length
- Up to 10 feet (3.05 meters)
- Ventilation Fan Diameter
- 4.7 inches (120 mm)
- Hvac Unit Width
- 28.3 inches (719 mm)
Materials
- Compressor
- Aluminum alloy with steel components
- Condenser
- Aluminum tubes and fins
- Evaporator
- Aluminum tubes and fins
- Hoses
- Rubber with steel reinforcement
- Ducts
- Polypropylene and polyurethane
Features
- Air Conditioning
-
- Automatic climate control
- Dual-zone temperature control
- Air quality sensor
- Rear air vents
- Cabin air filter
- Heating
-
- Electric heating elements
- Heater core with temperature control
- Rear heated seats (optional)
- Defrost mode
- Heated windshield (optional)
- Airflow
-
- Adjustable airflow control
- Multiple air vent outlets
- Recirculation mode
- Fresh air mode
- Ventilation fan speed control
- Filtration
-
- Cabin air filter
- Activated carbon filter
- Pollutant-sensing mode
- Filter replacement indicator
- Anti-allergen mode
- Controls
-
- Touchscreen interface (optional)
- Manual climate controls
- Automatic temperature control
- Sync button for dual zones
- Remote start system (optional)
Safety Features
- Overheat Protection
-
- Coolant temperature monitoring
- Automatic fan engagement
- System shutdown protection
- Leak Detection
-
- Refrigerant pressure monitoring
- Low refrigerant warning
- Leak detection system
- Electrical Protection
-
- Circuit breaker protection
- Overcurrent protection
- Short-circuit detection
Comfort Features
- Air Quality
-
- Air quality sensor
- Automatic recirculation
- Cabin air filter
- Temperature Control
-
- Dual-zone automatic climate control
- Heated seats (optional)
- Heated steering wheel (optional)
- Temperature-syncing mode
- Ventilation
-
- Fresh air mode
- Recirculation mode
- Ventilation fan speed control
- Defrost mode
- Noise Reduction
-
- Insulated ducts
- Silent blower operation
- Noise-reducing cabin filter
Accessories
- Filters
-
- Cabin air filter
- Engine air filter
- Pollutant-sensing filter
- Fans
-
- Condenser fan
- Radiator fan
- Cabin ventilation fan
- Kits
-
- Refrigerant recharge kit
- Cabin air filter replacement kit
- Heater core maintenance kit
Maintenance
- Service interval
- Every 12 months or 15,000 miles
- Maintenance Items
-
- Cabin air filter replacement
- Refrigerant level check
- Condenser and evaporator cleaning
- Blower motor inspection
- Hose and belt inspection
- Notes
-
- Inspect for refrigerant leaks annually
- Replace cabin air filter every 12,000 miles
- Check heater core for leaks
- Test defrost function annually
Warranty
- Basic
- Coverage: 3 years or 36,000 milesDetails: Covers repairs to defective materials or workmanship
- Powertrain
- Coverage: 5 years or 60,000 milesDetails: Covers HVAC components related to engine cooling
- Accessories
- Coverage: 1 year or 12,000 milesDetails: Covers HVAC-related accessories
- Emissions
- Coverage: 8 years or 80,000 milesDetails: Covers emissions-related HVAC components
Production Details
- Manufacturer
- Honda Motor Co., Ltd.
- Manufacturing Process
-
- CNC machining
- Robotic welding
- Automated assembly
- Quality control testing
- Quality Control
- inspection: 100% end-of-line testingStandards: ISO 9001:2000 certified
- Sustainability
-
- Recyclable materials
- Low-VOC insulation
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 500+Assembly Time: Less than 2 hours per unitDefect Rate: Less than 1%Warranty Rate: Less than 2%
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Inspect and replace cabin air filter
- Check refrigerant level and top off if necessary
- Inspect condenser and evaporator for debris
- Check blower motor and fan operation
- Inspect hoses and belts for cracks or wear
Recommended to perform during regular maintenance visits
- Clean condenser and evaporator coils
- Inspect heater core for leaks
- Check defrost function operation
- Test ventilation fan speed control
- Inspect air ducts for leaks or damage
Special attention to condenser and evaporator cleaning may require disassembly
- Replace refrigerant (if needed)
- Inspect and replace worn hoses or belts
- Check compressor clutch operation
- Test automatic climate control system
- Inspect electrical connections and wiring
Major service interval - critical for system longevity
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the HVAC system in the 2004-2008 Acura TL?
What are the technical specifications of the HVAC system in the 2004-2008 Acura TL?
The HVAC system in the 2004-2008 Acura TL features a dual-zone automatic climate control system. It uses R-134a refrigerant and is compatible with the vehicle's electronic control unit. The system includes components such as the compressor, condenser, evaporator, and blend door actuators. It is designed to integrate seamlessly with the vehicle's electrical architecture and provides both heating and cooling functions. Compatibility with aftermarket parts should be verified to ensure proper operation.
Q2 What are the maintenance requirements for the HVAC system?
What are the maintenance requirements for the HVAC system?
Regular maintenance of the HVAC system includes replacing the cabin air filter every 15,000 to 30,000 miles, checking refrigerant levels annually, and inspecting the condition of belts and hoses. Additionally, ensuring proper airflow by keeping vents clean and checking for blockages in the air intake can help maintain system performance. Neglecting these maintenance tasks can lead to reduced efficiency, unpleasant odors, or system failure.
Q3 How do I install or replace a component in the HVAC system?
How do I install or replace a component in the HVAC system?
Before starting any installation or replacement, disconnect the battery to prevent electrical shocks. For components like the cabin air filter, locate it in the glovebox or behind the dashboard, remove the old filter, and install the new one. For more complex components such as the compressor or condenser, refer to the service manual for specific instructions. Always follow proper safety procedures and ensure the system is properly recharged with R-134a refrigerant after any major repair.
Q4 How can I troubleshoot common HVAC issues?
How can I troubleshoot common HVAC issues?
Common HVAC issues include weak airflow, unusual noises, or inconsistent temperatures. Start by checking the cabin air filter for blockages and ensuring all vents are unobstructed. If there are noises, inspect the blower motor or serpentine belt for wear. For temperature issues, check the refrigerant level and ensure the cooling fans are functioning properly. If the problem persists, consult the service manual or a professional technician for further diagnosis.
Q5 How can I optimize the performance of the HVAC system?
How can I optimize the performance of the HVAC system?
To optimize HVAC performance, ensure proper airflow by cleaning or replacing the cabin air filter regularly. Check for any refrigerant leaks and recharge the system as needed. Avoid extreme temperature settings to reduce strain on the system. Additionally, ensure the vehicle's battery and electrical system are in good condition to maintain consistent power supply to the HVAC components. Annual inspections by a certified technician can also help identify and address potential issues before they become major problems.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2004-2008 Acura TL HVAC Service Manual
Coming SoonThis manual provides detailed diagrams, troubleshooting guides, and repair instructions for the HVAC system of the 2004-2008 Acura TL.
Technical Service Bulletin - HVAC System Updates
Coming SoonThis bulletin outlines updates and improvements for the HVAC system, including software updates and component replacements.
Acura TL HVAC Parts Catalog
Coming SoonThis catalog lists all genuine and compatible parts for the HVAC system of the 2004-2008 Acura TL, including part numbers and descriptions.
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Technical Information
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