Subaru Subaru WRX 1992-2001 HVAC Specifications
Explore the detailed HVAC system specifications for the 1992-2001 Subaru WRX. Learn about components, maintenance, and upgrades for optimal climate control performance.
Overview Specifications
This document provides detailed HVAC specifications for the 1992-2001 Subaru WRX. It includes information on heating, ventilation, and air conditioning systems, as well as guidance on how to navigate and use this resource effectively. Whether you're a mechanic, enthusiast, or owner, this guide will help you understand and maintain your vehicle's HVAC system.
How to Use
Use the search bar to find specific terms or components within the document. Keywords like 'blower motor' or 'refrigerant type' will yield relevant results.
Scroll through the sections or use the table of contents to jump to specific topics. Each section is organized into subsections for easy access to detailed information.
Key Specifications
Refrigerant Type
R134a
Refrigerant Capacity
600-700 grams
Blower Motor Voltage
12V
Heater Core Material
Aluminum
Cabin Air Filter Replacement Interval
12,000-15,000 miles
Available Specifications
Heating System
This section covers the heating components of the HVAC system, including the heater core, blower motor, and controls. Learn about the system's operation, common issues, and maintenance tips.
Heating System
This section covers the heating components of the HVAC system, including the heater core, blower motor, and controls. Learn about the system's operation, common issues, and maintenance tips.
Heater Core
- Located behind the dashboard
- Transfers heat from engine coolant to the cabin
- Prone to clogging or leaks over time
- Replacement requires dashboard removal
Blower Motor
- Controls airflow speed
- Located under the dashboard
- Can fail due to worn brushes or electrical issues
- Test with a multimeter for functionality
Air Conditioning System
Explore the air conditioning components, including the compressor, condenser, and refrigerant. This section provides insights into system performance, troubleshooting, and repair.
Air Conditioning System
Explore the air conditioning components, including the compressor, condenser, and refrigerant. This section provides insights into system performance, troubleshooting, and repair.
Compressor
- Driven by the engine via a belt
- Pressurizes refrigerant for cooling
- Common failure points include clutch and seals
- Check for proper engagement and refrigerant levels
Refrigerant
- Uses R134a refrigerant
- Refrigerant capacity: 600-700 grams
- Check for leaks using UV dye
- Recharge system if cooling performance drops
Ventilation System
This section details the ventilation components, including air ducts, vents, and filters. Learn how to ensure proper airflow and maintain air quality inside the cabin.
Ventilation System
This section details the ventilation components, including air ducts, vents, and filters. Learn how to ensure proper airflow and maintain air quality inside the cabin.
Air Ducts
- Distribute air throughout the cabin
- Made of durable plastic materials
- Inspect for cracks or blockages
- Clean periodically to prevent odors
Cabin Air Filter
- Filters incoming air for dust and pollen
- Located behind the glove compartment
- Replace every 12,000-15,000 miles
- Improves air quality and system efficiency
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Component Specifications
Overview
- Type
- Manual and Automatic Climate Control
- Configuration
- Dual-Zone Climate Control (Automatic), Single-Zone (Manual)
- Platform
- Integrated HVAC System
- Material
- Plastic, Aluminum, Rubber
- Location
- Front 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
- 10.8 inches (27.43 cm)
- Evaporator Core Height
- 7.5 inches (19.05 cm)
- Evaporator Core Depth
- 2.4 inches (6.1 cm)
- Heater Core Width
- 9.6 inches (24.38 cm)
- Heater Core Height
- 6.3 inches (16 cm)
Materials
- Blower Motor
- Steel and Copper Windings
- Evaporator Core
- Aluminum Fins and Copper Tubing
- Heater Core
- Aluminum and Brass
- Ducting
- Reinforced Plastic and Rubber Seals
- Control Panel
- ABS Plastic and Aluminum Trim
Features
- Climate Control
-
- Manual Temperature Adjustment
- Automatic Temperature Regulation
- Dual-Zone Climate Control (Automatic Models)
- Defrost Mode
- Air Distribution
-
- Front Ventilation
- Floor Ventilation
- Windshield Defrost
- Side Window Defog
- Air Quality
-
- Cabin Air Filter
- Recirculation Mode
- Pollen Filter (Optional)
- Controls
-
- Rotary Dials (Manual)
- Digital Display (Automatic)
- Push-Button Controls
- Temperature Sensors
- Performance
-
- High-Efficiency Blower Motor
- Rapid Cooling and Heating
- Low Noise Operation
Safety Features
- Overheat Protection
-
- Thermal Fuse
- Temperature Sensors
- Airflow Control
-
- Automatic Shutoff in Defrost Mode
- Recirculation Mode for Polluted Air
- Electrical Safety
-
- Fused Circuit Protection
- Insulated Wiring
Comfort Features
- Temperature Control
-
- Precise Temperature Adjustment
- Dual-Zone Control (Automatic Models)
- Airflow Management
-
- Adjustable Ventilation
- Multi-Directional Airflow
- Noise Reduction
-
- Quiet Blower Operation
- Insulated Ducting
- Convenience
-
- Easy-to-Use Controls
- Quick Defrost Function
Accessories
- Filters
-
- Cabin Air Filter
- Pollen Filter
- Activated Carbon Filter
- Upgrades
-
- Aftermarket Digital Control Panel
- High-Performance Blower Motor
- Enhanced Insulation Kits
- Tools
-
- HVAC Diagnostic Scanner
- Evaporator Core Cleaning Kit
- Blower Motor Replacement Tool
Maintenance
- Service interval
- Every 15,000 miles or 12 months
- Service Items
-
- Inspect and Replace Cabin Air Filter
- Check Blower Motor Operation
- Inspect Evaporator and Heater Cores
- Test Temperature Sensors
- Clean Air Ducts
- Maintenance Notes
- Regularly check for refrigerant leaks and ensure proper airflow.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Parts and Labor
- Extended Warranty
- Miles: 100,000Years: 7Coverage: Major Components Only
- Corrosion Warranty
- Miles: UnlimitedYears: 5Coverage: Rust-Through Protection
- Emissions Warranty
- Miles: 50,000Years: 5Coverage: Emissions-Related Components
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Injection Molding for Plastic Components
- Brazing for Aluminum and Copper Parts
- Automated Assembly
- Quality Control
- Testing: Pressure Testing for Cores, Electrical Functionality Testing, Airflow Performance TestingCertifications: ISO 9001, ISO 14001
- Sustainability Practices
-
- Recycled Materials in Plastic Components
- Energy-Efficient Manufacturing
- Reduced VOC Emissions
- Production Metrics
- Units Per Year: Approximately 50,000Defect Rate: Less than 0.5%Energy Usage: 15 kWh per Unit
Service Information for HVAC Service
Maintenance and service requirements specific to the HVAC system
- Inspect and Replace Cabin Air Filter
- Check Blower Motor Operation
- Inspect Evaporator and Heater Cores
- Test Temperature Sensors
- Clean Air Ducts
Ensure proper airflow and check for refrigerant leaks.
- Replace Cabin Air Filter
- Inspect and Clean Evaporator Core
- Check Refrigerant Levels
- Test HVAC Control Panel Functionality
- Inspect Ducting for Leaks
Use diagnostic tools to verify system performance.
- Replace Blower Motor if Necessary
- Flush Heater Core
- Replace Refrigerant
- Inspect and Replace Seals
- Perform Full System Diagnostics
Major service may require specialized tools and equipment.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the compatibility specifications for the HVAC system in 1992-2001 Subaru WRX models?
What are the compatibility specifications for the HVAC system in 1992-2001 Subaru WRX models?
The HVAC system in 1992-2001 Subaru WRX models is compatible with specific components such as the blower motor, heater core, and AC compressor designed for these years. Ensure the refrigerant type (R134a) and electrical connectors match. Cross-reference part numbers with Subaru's official catalog or consult a dealer for precise compatibility.
Q2 What are the maintenance requirements for the HVAC system in a 1992-2001 Subaru WRX?
What are the maintenance requirements for the HVAC system in a 1992-2001 Subaru WRX?
Regular maintenance includes inspecting and replacing the cabin air filter every 15,000 miles, checking refrigerant levels annually, and ensuring the blower motor and AC compressor are functioning properly. Clean the evaporator and condenser coils to prevent clogs. Inspect hoses and seals for leaks to maintain optimal performance.
Q3 How do I replace the HVAC blower motor in a 1992-2001 Subaru WRX?
How do I replace the HVAC blower motor in a 1992-2001 Subaru WRX?
To replace the blower motor, disconnect the battery, remove the glove box, and locate the blower motor housing. Disconnect the electrical connector and mounting screws. Carefully remove the old motor and install the new one, ensuring proper alignment. Reconnect the wiring and test the system before reassembling the glove box.
Q4 What should I do if the HVAC system in my 1992-2001 Subaru WRX is not blowing cold air?
What should I do if the HVAC system in my 1992-2001 Subaru WRX is not blowing cold air?
First, check the refrigerant levels and recharge if necessary. Inspect the AC compressor and clutch for proper operation. Test the blower motor and fuses for functionality. If the issue persists, examine the evaporator and condenser for blockages or leaks. Consult a professional if diagnostics are inconclusive.
Q5 How can I optimize the performance of the HVAC system in my 1992-2001 Subaru WRX?
How can I optimize the performance of the HVAC system in my 1992-2001 Subaru WRX?
Ensure the system is free of debris by cleaning the condenser and evaporator coils. Use high-quality refrigerant and replace worn components like the blower motor or compressor. Regularly inspect and replace the cabin air filter. Properly seal ductwork to prevent air leaks and maintain efficient airflow.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1992-2001 Subaru WRX HVAC Service Manual
Coming SoonDetailed guide covering HVAC system components, maintenance, and repair procedures for 1992-2001 Subaru WRX models.
Subaru Technical Service Bulletin for HVAC Systems
Coming SoonOfficial bulletin addressing common HVAC issues, updates, and recommended fixes for 1992-2001 Subaru WRX models.
Subaru WRX HVAC Parts Catalog
Coming SoonComprehensive catalog listing OEM and aftermarket HVAC components for 1992-2001 Subaru WRX models.
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Technical Information
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