Subaru Subaru WRX 2002-2007 HVAC Specifications
Explore detailed HVAC system specifications for the 2002-2007 Subaru WRX, including compressor, condenser, evaporator, and refrigerant details. Ideal for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the HVAC (Heating, Ventilation, and Air Conditioning) system in the 2002-2007 Subaru WRX. It is designed to assist owners, mechanics, and enthusiasts in understanding the system's components, functionality, and maintenance requirements. Use this guide to locate specific details, troubleshoot issues, or enhance your knowledge of the WRX's HVAC system.
How to Use
Use the search functionality to quickly locate specific terms or components within the document. Enter keywords such as 'blower motor' or 'refrigerant type' to find relevant sections.
Navigate through the document by scrolling through the major sections and subsections. Each section is organized by topic, with detailed points listed under relevant subsections for easy reference.
Key Specifications
Refrigerant Type
R134a
Blower Motor Power
12V DC
Heater Core Dimensions
12 x 6 x 2 inches
Compressor Displacement
10.5 cubic inches
Fuse Rating
15A
Available Specifications
HVAC System Overview
This section provides a high-level overview of the HVAC system in the 2002-2007 Subaru WRX. It covers the system's primary components, their functions, and how they work together to provide climate control inside the vehicle.
HVAC System Overview
This section provides a high-level overview of the HVAC system in the 2002-2007 Subaru WRX. It covers the system's primary components, their functions, and how they work together to provide climate control inside the vehicle.
System Components
- Blower motor for air circulation
- Heater core for warm air generation
- Evaporator for cooling air
- Compressor for refrigerant circulation
- Condenser for heat dissipation
- Control panel for user interface
System Functionality
- Dual-zone climate control (if equipped)
- Manual and automatic temperature settings
- Defrost and defogging capabilities
- Air filtration system for cabin air quality
Maintenance and Troubleshooting
This section outlines common maintenance tasks and troubleshooting steps for the HVAC system. It includes tips for keeping the system in optimal condition and diagnosing common issues.
Maintenance and Troubleshooting
This section outlines common maintenance tasks and troubleshooting steps for the HVAC system. It includes tips for keeping the system in optimal condition and diagnosing common issues.
Routine Maintenance
- Replace cabin air filter every 12,000-15,000 miles
- Check refrigerant levels annually
- Inspect blower motor and fan for debris
- Lubricate moving parts as needed
Common Issues
- Weak airflow due to clogged filters
- Unusual noises from blower motor
- Inconsistent temperature control
- Refrigerant leaks
Technical Specifications
This section provides detailed technical specifications for the HVAC system, including component dimensions, refrigerant types, and electrical requirements.
Technical Specifications
This section provides detailed technical specifications for the HVAC system, including component dimensions, refrigerant types, and electrical requirements.
Component Specifications
- Blower motor power: 12V DC
- Refrigerant type: R134a
- Heater core dimensions: 12 x 6 x 2 inches
- Compressor displacement: 10.5 cubic inches
Electrical Specifications
- Fuse rating: 15A for blower motor
- Control panel voltage: 12V DC
- Wiring harness connectors: 4-pin and 6-pin
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Component Specifications
Overview
- Type
- Manual and Automatic Climate Control
- Configuration
- Dual-Zone Climate Control (2006-2007 models)
- Platform
- Integrated HVAC System
- Material
- Plastic and Aluminum Components
- Location
- Dashboard and Engine Compartment
Dimensions
- Blower Unit Width
- 12.5 inches (31.75 cm)
- Blower Unit Height
- 8.2 inches (20.83 cm)
- Blower Unit Depth
- 6.7 inches (17.02 cm)
- Evaporator Core Width
- 14.1 inches (35.81 cm)
- Evaporator Core Height
- 7.5 inches (19.05 cm)
- Evaporator Core Depth
- 2.3 inches (5.84 cm)
- Heater Core Width
- 10.6 inches (26.92 cm)
- Heater Core Height
- 6.3 inches (16 cm)
Materials
- Blower Motor
- High-Durability Plastic and Steel
- Evaporator Core
- Aluminum and Copper
- Heater Core
- Aluminum and Brass
- Ducting
- Reinforced Polypropylene
- Control Panel
- ABS Plastic with Rubberized Buttons
Features
- Climate Control
-
- Manual Temperature Adjustment
- Automatic Temperature Control (2006-2007)
- Dual-Zone Climate Control (2006-2007)
- Rear Defrost Function
- Air Distribution
-
- Face-Level Vents
- Floor-Level Vents
- Windshield Defrost Vents
- Side Window Defrost Vents
- Air Quality
-
- Cabin Air Filter
- Recirculation Mode
- Pollen Filter (Optional)
- Performance
-
- High-Capacity Blower Motor
- Efficient Evaporator Core
- Rapid Heating and Cooling
- Controls
-
- Rotary Dials for Manual Models
- Digital Display for Automatic Models
- Push-Button Controls
Safety Features
- Overheat Protection
-
- Thermal Fuse in Heater Core
- High-Temperature Cutoff Switch
- Airflow Management
-
- Automatic Defrost Priority
- Dual-Zone Airflow Balancing
- Electrical Safety
-
- Fused Blower Motor Circuit
- Short-Circuit Protection
Comfort Features
- Temperature Control
-
- Precise Temperature Adjustment
- Dual-Zone Settings (2006-2007)
- Airflow Options
-
- Adjustable Fan Speeds
- Multi-Directional Vents
- Noise Reduction
-
- Quiet Blower Motor
- Insulated Ducting
- Convenience
-
- One-Touch Defrost
- Automatic Recirculation Mode
Accessories
- Filters
-
- Cabin Air Filter
- Pollen Filter
- Charcoal Odor Filter
- Upgrades
-
- Performance Blower Motor
- Upgraded Heater Core
- Digital Control Panel Conversion Kit
- Maintenance Tools
-
- HVAC System Cleaner
- Evaporator Core Brush
- Blower Motor Lubricant
Maintenance
- Service interval
- Every 15,000 miles or 12 months
- Service Items
-
- Inspect and Replace Cabin Air Filter
- Check Blower Motor Operation
- Inspect Heater Core for Leaks
- Clean Evaporator Core
- Test Refrigerant Levels
- Maintenance Notes
- Ensure refrigerant levels are checked by a certified technician.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Parts and Labor
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Heater Core and Blower Motor
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Evaporator Core
- Corrosion Warranty
- Miles: UnlimitedYears: 5Coverage: HVAC Housing and Ducting
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Injection Molding for Plastic Components
- Brazing for Aluminum Cores
- Automated Assembly
- Quality Control
- Pressure Testing: Evaporator and Heater CoresElectrical Testing: Blower Motor and ControlsAirflow Testing: Ducting and Vents
- Sustainability Practices
-
- Recyclable Materials
- Low-Emission Manufacturing
- Energy-Efficient Production
- Production Metrics
- Units Per Year: Approximately 50,000Defect Rate: Less than 0.5%
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Inspect and Replace Cabin Air Filter
- Check Blower Motor Operation
- Test Refrigerant Levels
- Inspect Heater Core for Leaks
- Clean Evaporator Core
Ensure refrigerant levels are checked by a certified technician.
- Inspect HVAC Ducting for Blockages
- Lubricate Blower Motor Bearings
- Test Climate Control Sensors
- Check Electrical Connections
- Inspect Compressor Operation
Special tools may be required for sensor testing.
- Replace Heater Core if Necessary
- Flush and Recharge Refrigerant System
- Inspect and Replace Blower Motor if Needed
- Test Automatic Climate Control Functions
- Perform Full System Diagnostics
Major service may require system evacuation and recharge.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the HVAC system compatible with aftermarket components for the 2002-2007 Subaru WRX?
Is the HVAC system compatible with aftermarket components for the 2002-2007 Subaru WRX?
The HVAC system in the 2002-2007 Subaru WRX is compatible with select aftermarket components, such as upgraded blower motors or cabin air filters. However, compatibility depends on the specific part and model year. Always verify fitment with the manufacturer or retailer. OEM components are recommended for optimal performance and reliability.
Q2 What are the maintenance requirements for the HVAC system in a 2002-2007 Subaru WRX?
What are the maintenance requirements for the HVAC system in a 2002-2007 Subaru WRX?
Regular maintenance for the HVAC system includes replacing the cabin air filter every 12,000-15,000 miles, inspecting refrigerant levels annually, and checking for leaks in the system. Ensure the blower motor and vents are clean and functioning properly. A professional inspection every 2-3 years is recommended to maintain efficiency.
Q3 How do I replace the cabin air filter in a 2002-2007 Subaru WRX?
How do I replace the cabin air filter in a 2002-2007 Subaru WRX?
To replace the cabin air filter, locate the filter housing behind the glove box. Remove the glove box by unscrewing the fasteners and gently pulling it out. Open the filter housing, remove the old filter, and insert the new one, ensuring it’s oriented correctly. Reassemble the glove box and test the HVAC system.
Q4 What should I do if the HVAC system in my 2002-2007 Subaru WRX is not blowing cold air?
What should I do if the HVAC system in my 2002-2007 Subaru WRX is not blowing cold air?
If the HVAC system isn’t blowing cold air, check the refrigerant levels and look for leaks. Inspect the compressor and condenser for damage. Ensure the blower motor and vents are functioning properly. If issues persist, consult a professional to diagnose and repair the system.
Q5 How can I optimize the performance of the HVAC system in my 2002-2007 Subaru WRX?
How can I optimize the performance of the HVAC system in my 2002-2007 Subaru WRX?
To optimize HVAC performance, regularly replace the cabin air filter, ensure refrigerant levels are correct, and clean the blower motor and vents. Use high-quality components and avoid overloading the system. Periodic professional maintenance can also enhance efficiency and longevity.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2002-2007 Subaru WRX HVAC Service Manual
Coming SoonDetailed service manual covering HVAC system diagnostics, maintenance, and repair procedures for the 2002-2007 Subaru WRX.
Subaru Technical Service Bulletin: HVAC System Updates
Coming SoonTechnical bulletin outlining updates and common issues with the HVAC system in 2002-2007 Subaru WRX models.
2002-2007 Subaru WRX HVAC Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket HVAC components for the 2002-2007 Subaru WRX.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
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