Subaru Subaru WRX 2014-2021 Brakes Specifications
Explore the detailed brake specifications for the 2014-2021 Subaru WRX, including rotor sizes, caliper configurations, and pad materials. Ideal for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the braking system of the 2014-2021 Subaru WRX. It is designed to help users understand the components, performance, and maintenance of the brakes. Use this guide to navigate through sections, search for specific details, and reference key specifications quickly.
How to Use
Use the search functionality to find specific terms or components related to the brakes. Enter keywords like 'rotor size' or 'brake pad material' to locate relevant information.
Navigate through the document by scrolling through sections or using the table of contents. Each section is organized by major topics, with subsections providing detailed technical points.
Key Specifications
Front Rotor Diameter
316 mm
Rear Rotor Diameter
290 mm
Front Caliper Type
4-piston fixed
Rear Caliper Type
2-piston floating
ABS Type
4-channel
Available Specifications
Front Brakes
This section covers the specifications and features of the front braking system, including rotor size, caliper type, and brake pad material. It also includes details on performance and maintenance tips.
Front Brakes
This section covers the specifications and features of the front braking system, including rotor size, caliper type, and brake pad material. It also includes details on performance and maintenance tips.
Rotor Specifications
- Diameter: 316 mm (12.4 inches)
- Thickness: 30 mm (1.18 inches)
- Material: Ventilated cast iron
- Type: Slotted (performance models)
- Optional point 5: Heat dissipation design
- Optional point 6: Compatible with aftermarket upgrades
Caliper Details
- Type: 4-piston fixed caliper
- Material: Aluminum alloy
- Piston diameter: 40.5 mm (1.59 inches)
- Weight: 3.2 kg (7.05 lbs)
- Optional point 5: High-temperature resistance
- Optional point 6: Easy maintenance design
Brake Pads
- Material: Semi-metallic (standard), Ceramic (optional)
- Thickness: 10 mm (0.39 inches)
- Heat resistance: Up to 600°C (1112°F)
- Wear indicator: Integrated
- Optional point 5: Low dust formulation
- Optional point 6: Compatible with track use
Rear Brakes
This section provides information on the rear braking system, including rotor dimensions, caliper design, and brake pad options. It also highlights differences between standard and performance models.
Rear Brakes
This section provides information on the rear braking system, including rotor dimensions, caliper design, and brake pad options. It also highlights differences between standard and performance models.
Rotor Specifications
- Diameter: 290 mm (11.4 inches)
- Thickness: 18 mm (0.71 inches)
- Material: Ventilated cast iron
- Type: Solid (standard), Slotted (performance models)
- Optional point 5: Corrosion-resistant coating
- Optional point 6: Lightweight design
Caliper Details
- Type: 2-piston floating caliper
- Material: Aluminum alloy
- Piston diameter: 38.1 mm (1.5 inches)
- Weight: 2.8 kg (6.17 lbs)
- Optional point 5: Integrated parking brake
- Optional point 6: Durable seals
Brake Pads
- Material: Semi-metallic (standard), Ceramic (optional)
- Thickness: 8 mm (0.31 inches)
- Heat resistance: Up to 550°C (1022°F)
- Wear indicator: Integrated
- Optional point 5: Quiet operation
- Optional point 6: Extended lifespan
Brake System Features
This section highlights advanced features of the braking system, such as ABS, electronic brake-force distribution, and brake assist. It also covers safety and performance enhancements.
Brake System Features
This section highlights advanced features of the braking system, such as ABS, electronic brake-force distribution, and brake assist. It also covers safety and performance enhancements.
ABS (Anti-lock Braking System)
- Type: 4-channel ABS
- Function: Prevents wheel lock-up during hard braking
- Sensors: Wheel speed sensors on all four wheels
- Integration: Works with stability control system
- Optional point 5: Enhanced wet weather performance
- Optional point 6: Customizable settings (performance models)
Electronic Brake-force Distribution (EBD)
- Function: Adjusts brake force between front and rear wheels
- Benefit: Improves stopping distance and stability
- Integration: Works with ABS and stability control
- Optional point 5: Adaptive to load conditions
- Optional point 6: Enhances tire grip
Brake Assist
- Function: Increases braking force during emergency stops
- Activation: Detects rapid pedal application
- Benefit: Reduces stopping distance
- Integration: Works with ABS and EBD
- Optional point 5: Improves driver confidence
- Optional point 6: Standard on all models
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Brakes Specifications
Overview
- Type
- Hydraulic disc brakes
- Configuration
- Front and rear dual-piston calipers
- Platform
- Subaru Global Platform
- Material
- High-carbon cast iron rotors
- Location
- Wheel-mounted
Dimensions
- Front Rotor Diameter
- 12.4 inches (315 mm)
- Rear Rotor Diameter
- 11.8 inches (300 mm)
- Front Rotor Thickness
- 1.1 inches (28 mm)
- Rear Rotor Thickness
- 0.9 inches (22 mm)
- Brake Pad Length
- 5.9 inches (150 mm)
- Brake Pad Width
- 2.4 inches (60 mm)
- Brake Line Diameter
- 0.25 inches (6.35 mm)
Materials
- Rotors
- High-carbon cast iron with anti-corrosion coating
- Brake Pads
- Semi-metallic compound
- Calipers
- Aluminum alloy
- Brake Lines
- Reinforced rubber with steel braiding
Features
- Performance
-
- Enhanced heat dissipation
- Anti-lock Braking System (ABS)
- Electronic Brakeforce Distribution (EBD)
- Brake Assist
- Durability
-
- Corrosion-resistant rotors
- High-temperature brake pads
- Reinforced brake lines
- Maintenance
-
- Wear indicators on brake pads
- Easy-access caliper design
- Replaceable rotor surfaces
- Safety
-
- ABS with traction control
- Hill start assist
- Emergency brake force amplification
- Comfort
-
- Low noise operation
- Smooth pedal feel
- Progressive braking response
Safety Features
- Active Safety
-
- Anti-lock Braking System (ABS)
- Electronic Brakeforce Distribution (EBD)
- Passive Safety
-
- Reinforced brake lines
- Heat-resistant materials
- Emergency Features
-
- Brake Assist
- Hill start assist
Comfort Features
- Noise Reduction
-
- Vibration-damping shims
- Low-noise brake pads
- Pedal Feel
-
- Linear brake response
- Adjustable pedal height
- Heat Management
-
- Vented rotors
- Heat-resistant caliper paint
Accessories
- Upgrades
-
- Performance brake pads
- Slotted rotors
- Stainless steel brake lines
- Maintenance Tools
-
- Brake pad spreader
- Caliper compression tool
- Brake fluid tester
- Protection
-
- Caliper covers
- Rotor rust inhibitors
- Brake dust shields
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect brake pads and rotors
- Check brake fluid level
- Test brake line integrity
- Lubricate caliper pins
- Inspect ABS sensors
- Maintenance Notes
- Replace brake fluid every 2 years or 30,000 miles
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Parts and labor
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Brake system components
- Corrosion Warranty
- Miles: UnlimitedYears: 5Coverage: Rust perforation
- Emissions Warranty
- Miles: 80,000Years: 8Coverage: Brake-related emissions components
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Precision casting of rotors
- CNC machining of calipers
- Automated assembly
- Quality Control
- Rotor inspection: Ultrasonic testingCaliper Testing: Pressure and leak testingFinal Assembly: Full system bench testing
- Sustainability Practices
-
- Recycled materials in brake pads
- Eco-friendly manufacturing processes
- Reduced waste production
- Production Metrics
- Annual Production: 500,000 unitsDefect Rate: 0.01%Lead Time: 4 weeks
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect brake pads and rotors
- Check brake fluid level
- Test brake line integrity
- Lubricate caliper pins
- Inspect ABS sensors
Replace brake fluid every 2 years or 30,000 miles
- Replace brake pads
- Resurface or replace rotors
- Flush brake fluid
- Inspect caliper function
- Test ABS system
Use only Subaru-approved brake fluid
- Replace brake rotors
- Inspect and replace brake lines if necessary
- Replace caliper pins and boots
- Full ABS system diagnostic
- Brake system performance test
Major service requires specialized tools and equipment
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Are these brakes compatible with all 2014-2021 Subaru WRX models?
Are these brakes compatible with all 2014-2021 Subaru WRX models?
Yes, these brakes are specifically designed to be compatible with all 2014-2021 Subaru WRX models, including both the base and performance trims. They meet OEM specifications for rotor size, pad dimensions, and caliper fitment. However, it is recommended to verify the exact model year and trim before purchasing, as slight variations may exist in certain configurations.
Q2 What is the recommended maintenance schedule for these brakes?
What is the recommended maintenance schedule for these brakes?
For optimal performance, inspect the brake pads every 12,000 miles and replace them if they are worn below 3mm. Rotors should be checked for warping or scoring every 25,000 miles. Brake fluid should be flushed and replaced every 30,000 miles or as specified in your vehicle's manual. Regular cleaning of brake components is also advised to prevent debris buildup.
Q3 How do I replace the brakes on a 2014-2021 Subaru WRX?
How do I replace the brakes on a 2014-2021 Subaru WRX?
To replace the brakes, first lift the vehicle and remove the wheels. Unscrew the caliper bolts and carefully detach the caliper. Remove the old brake pads and inspect the rotor. If necessary, replace the rotor. Install the new pads and reassemble the caliper. Torque the bolts to the manufacturer’s specifications. Finally, reinstall the wheels and test the brakes in a safe area.
Q4 What should I do if my brakes are squeaking or vibrating?
What should I do if my brakes are squeaking or vibrating?
Squeaking or vibrating brakes often indicate worn pads, uneven rotor surfaces, or debris buildup. Inspect the pads and rotors for wear or damage. Clean the brake components thoroughly. If the issue persists, consider resurfacing or replacing the rotors and ensure the pads are properly seated. If vibrations continue, check for caliper or suspension issues.
Q5 How can I optimize the performance of my Subaru WRX brakes?
How can I optimize the performance of my Subaru WRX brakes?
To optimize brake performance, use high-quality brake pads and rotors designed for performance driving. Ensure proper bedding-in of new pads by following the manufacturer’s instructions. Regularly clean brake components to prevent debris buildup. Consider upgrading to stainless steel brake lines for improved pedal feel and performance under high stress.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2014-2021 Subaru WRX Service Manual
Coming SoonThis manual provides detailed instructions for maintenance, repair, and troubleshooting of the 2014-2021 Subaru WRX, including brake system specifics.
Subaru WRX Brake System Technical Bulletin
Coming SoonThis bulletin addresses common issues and updates related to the brake system for the 2014-2021 Subaru WRX, including recalls and service recommendations.
Subaru WRX Brake Parts Catalog
Coming SoonThis catalog lists all OEM and aftermarket brake components available for the 2014-2021 Subaru WRX, including pads, rotors, and calipers.
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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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