Subaru Subaru WRX 2002-2007 Brakes Specifications
Subaru Subaru WRX 2002-2007

Subaru Subaru WRX 2002-2007 Brakes Specifications

Explore the detailed brake specifications for the 2002-2007 Subaru WRX, including rotor dimensions, pad types, caliper configurations, and fluid requirements. Ideal for maintenance, repair, and performance upgrades.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the braking system of the 2002-2007 Subaru WRX. It is designed to help enthusiasts, mechanics, and owners understand the components, performance, and maintenance requirements of the brakes. Use the search functionality to quickly locate specific details or navigate through the sections for a comprehensive understanding of the braking system.

How to Use

Use the search bar to enter keywords related to the brakes, such as 'rotor size' or 'brake pad material'. The results will highlight relevant sections and subsections for quick access.

Scroll through the sections to explore major topics like brake components, performance, and maintenance. Each section contains subsections with detailed technical points for easy reference.

Key Specifications

Front Rotor Diameter

294 mm

Rear Rotor Diameter

266 mm

Front Caliper Type

Dual-piston sliding

Rear Caliper Type

Single-piston sliding

Brake Pad Material

Semi-metallic (front), Organic (rear)

Available Specifications

Brake Components

This section covers the key components of the 2002-2007 Subaru WRX braking system, including rotors, calipers, pads, and lines. Understanding these parts is essential for maintenance and upgrades.

Front Brakes
  • Ventilated disc rotors with a diameter of 294 mm
  • Dual-piston sliding calipers
  • Semi-metallic brake pads for improved heat resistance
  • Stainless steel brake lines for durability
Rear Brakes
  • Solid disc rotors with a diameter of 266 mm
  • Single-piston sliding calipers
  • Organic brake pads for smoother engagement
  • Standard rubber brake lines

Brake Performance

This section highlights the performance characteristics of the braking system, including stopping distance, heat dissipation, and responsiveness.

Stopping Distance
  • 60-0 mph stopping distance of approximately 120 feet
  • Consistent performance under normal driving conditions
  • Improved stopping power with upgraded pads and rotors
Heat Management
  • Ventilated front rotors for better heat dissipation
  • Risk of brake fade during aggressive driving
  • Recommended use of high-temperature brake fluid

Maintenance and Upgrades

This section provides guidance on maintaining and upgrading the braking system to ensure optimal performance and longevity.

Routine Maintenance
  • Inspect brake pads every 12,000 miles
  • Replace brake fluid every 30,000 miles
  • Check rotor thickness and surface condition regularly
Common Upgrades
  • Upgrade to slotted or drilled rotors for better cooling
  • Install high-performance brake pads for track use
  • Replace rubber brake lines with stainless steel lines

Brakes Specifications

Overview

Type
Hydraulic Disc Brakes
Configuration
Front and Rear Disc
Platform
Subaru WRX (2002-2007)
Material
Cast Iron Rotors with Semi-Metallic Pads
Location
All Four Wheels

Dimensions

Front Rotor Diameter
11.4 inches / 290 mm
Rear Rotor Diameter
10.3 inches / 262 mm
Front Rotor Thickness
0.98 inches / 25 mm
Rear Rotor Thickness
0.39 inches / 10 mm
Front Caliper Piston Diameter
1.57 inches / 40 mm
Rear Caliper Piston Diameter
1.18 inches / 30 mm
Brake Pad Thickness
0.47 inches / 12 mm

Materials

Rotors
Cast Iron with Anti-Corrosion Coating
Brake Pads
Semi-Metallic Compound
Calipers
Aluminum Alloy
Brake Lines
Steel Braided with Rubber Coating

Features

Performance
  • High-Friction Brake Pads
  • Vented Rotors for Heat Dissipation
  • Dual-Piston Front Calipers
  • Single-Piston Rear Calipers
Durability
  • Corrosion-Resistant Rotors
  • Reinforced Brake Lines
  • Heat-Treated Calipers
Safety
  • ABS (Anti-Lock Braking System)
  • Electronic Brake Force Distribution
  • Brake Assist
Maintenance
  • Wear Indicators on Brake Pads
  • Easy Access Caliper Design
  • Replaceable Rotors
Comfort
  • Low Noise Operation
  • Smooth Brake Engagement
  • Minimal Vibration

Safety Features

Anti Lock Braking
  • Prevents Wheel Lock-Up
  • Improves Steering Control
Brake Assist
  • Increases Braking Force in Emergencies
Electronic Brake Distribution
  • Balances Brake Force Between Wheels

Comfort Features

Noise Reduction
  • Insulated Brake Pads
  • Vibration Dampening Rotors
Pedal Feel
  • Linear Brake Response
  • Adjustable Pedal Height
Heat Management
  • Vented Rotors
  • Heat-Resistant Calipers

Accessories

Upgrades
  • Performance Brake Pads
  • Slotted Rotors
  • Stainless Steel Brake Lines
Tools
  • Brake Caliper Tool Kit
  • Rotor Resurfacing Tool
  • Brake Bleeder Kit
Maintenance Kits
  • Brake Pad Replacement Kit
  • Caliper Rebuild Kit
  • Brake Fluid Flush Kit

Maintenance

Service interval
Every 30,000 miles or 24 months
Service Items
  • Inspect Brake Pads
  • Check Rotor Thickness
  • Inspect Brake Lines
  • Flush Brake Fluid
  • Lubricate Caliper Slides
Maintenance Notes
Replace brake pads if thickness is below 0.12 inches (3 mm). Rotors should be resurfaced or replaced if below minimum thickness.

Warranty

Parts Warranty
Miles: 36,000
Years: 3
Coverage: Brake Pads and Rotors
Labor Warranty
Miles: 12,000
Years: 1
Coverage: Brake System Repairs
Corrosion Warranty
Miles: Unlimited
Years: 5
Coverage: Brake Rotors
Performance Warranty
Miles: 12,000
Years: 1
Coverage: Brake System Performance

Production Details

Manufacturer
Subaru Corporation
Manufacturing Process
  • Casting for Rotors
  • Extrusion for Calipers
  • Compression Molding for Brake Pads
Quality Control
Rotor inspection: Ultrasonic Testing
Caliper Testing: Pressure and Leak Tests
Pad Quality: Friction Coefficient Testing
Sustainability Practices
  • Recycled Materials in Brake Pads
  • Eco-Friendly Coating for Rotors
  • Energy-Efficient Manufacturing
Production Metrics
Annual Output: 500,000 Units
Defect Rate: 0.1%
Lead Time: 4 Weeks

Service Information for brakes Service

Maintenance and service requirements specific to this component

30,000
24
  • Inspect Brake Pads and Rotors
  • Check Brake Fluid Level
  • Inspect Brake Lines for Damage
  • Lubricate Caliper Slides
  • Test Brake System Performance

Ensure brake fluid is replaced if contaminated or discolored.

60,000
48
  • Replace Brake Pads
  • Resurface or Replace Rotors
  • Flush Brake Fluid
  • Inspect Calipers for Wear
  • Check ABS System Functionality

Use manufacturer-recommended brake fluid for optimal performance.

90,000
72
  • Replace Brake Rotors
  • Rebuild or Replace Calipers
  • Replace Brake Lines if Necessary
  • Perform Full Brake System Test
  • Inspect ABS Sensors

Major service may require specialized tools and equipment.

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

Are the brakes for a 2002-2007 Subaru WRX compatible with other Subaru models?

The brakes for the 2002-2007 Subaru WRX are specifically designed for this model and may not be directly compatible with other Subaru vehicles. However, some components, like brake pads, may fit certain Impreza models from the same era. Always verify part numbers and compatibility with your vehicle's specifications before purchasing or installing.

Q2

What is the recommended maintenance schedule for the brakes on a 2002-2007 Subaru WRX?

For optimal performance, inspect the brake pads, rotors, and fluid every 12,000 miles or annually. Replace brake pads when they are worn to 3mm or less. Brake fluid should be flushed every 30,000 miles or 2 years. Rotors should be checked for warping or scoring and replaced if necessary. Regular maintenance ensures safety and extends the lifespan of your braking system.

Q3

How do I replace the brake pads on a 2002-2007 Subaru WRX?

To replace brake pads, lift the vehicle and remove the wheels. Unbolt the caliper and hang it securely to avoid damaging the brake line. Remove the old pads and inspect the rotors. Install new pads, ensuring they are seated correctly. Reattach the caliper and tighten the bolts. Pump the brake pedal to reset the caliper piston before driving. Always consult a service manual for detailed instructions.

Q4

What should I do if my brakes are squeaking or vibrating?

Squeaking or vibrating brakes may indicate worn pads, uneven rotor surfaces, or debris in the braking system. Inspect the pads and rotors for wear or damage. Clean the brake components and apply anti-squeal compound to the back of the pads. If the issue persists, consider resurfacing or replacing the rotors. Persistent problems may require professional diagnosis.

Q5

How can I optimize the braking performance of my 2002-2007 Subaru WRX?

To optimize braking performance, upgrade to high-performance brake pads and slotted or drilled rotors for better heat dissipation. Use high-quality brake fluid with a higher boiling point. Ensure proper bedding-in of new pads and rotors. Regularly inspect and maintain the braking system. Consider upgrading to stainless steel brake lines for improved pedal feel and responsiveness.

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 Service Manual

Coming Soon

Comprehensive guide covering maintenance, repair, and troubleshooting for the 2002-2007 Subaru WRX, including detailed brake system information.

Subaru Technical Service Bulletin: Brake System Updates

Coming Soon

Official Subaru bulletin addressing common brake system issues and updates for the 2002-2007 WRX, including recommended fixes and part numbers.

Subaru WRX Brake Parts Catalog

Coming Soon

Detailed catalog of OEM and aftermarket brake components for the 2002-2007 Subaru WRX, including pads, rotors, and calipers.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

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