Subaru Subaru WRX 2014-2021 Suspension Specifications
Explore the detailed suspension specifications for the 2014-2021 Subaru WRX, including front and rear suspension types, spring rates, shock absorber details, and alignment settings. Perfect for mechanics, enthusiasts, and owners looking to optimize performance or perform repairs.
Overview Specifications
This document provides detailed specifications and technical information about the suspension system of the 2014-2021 Subaru WRX. It is designed for enthusiasts, mechanics, and anyone interested in understanding the vehicle's suspension components, performance, and maintenance. Use the search and navigation instructions to quickly find relevant details or explore the sections for comprehensive insights.
How to Use
Use the search bar to enter keywords like 'spring rates' or 'dampers' to locate specific suspension details. The search results will highlight relevant sections and subsections.
Scroll through the sections or use the table of contents to jump to specific topics. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Front Spring Rate
3.5 kg/mm
Rear Spring Rate
4.0 kg/mm
Front Stabilizer Bar Diameter
24 mm
Rear Stabilizer Bar Diameter
20 mm
Ride Height
140 mm
Available Specifications
Front Suspension
The front suspension of the 2014-2021 Subaru WRX is designed for performance and durability. It features a MacPherson strut setup with specific components optimized for handling and stability.
Front Suspension
The front suspension of the 2014-2021 Subaru WRX is designed for performance and durability. It features a MacPherson strut setup with specific components optimized for handling and stability.
MacPherson Strut Design
- Utilizes a single lower control arm for reduced weight
- Features a coil-over-spring design for compact packaging
- Includes a stabilizer bar for improved roll resistance
- Equipped with hydraulic dampers for precise control
Key Components
- Lower control arm made of lightweight steel
- High-strength coil springs with progressive rates
- Adjustable camber plates for alignment tuning
- Rubber bushings for noise and vibration isolation
Rear Suspension
The rear suspension system of the WRX is engineered to complement the front setup, providing balanced handling and traction. It uses a double-wishbone configuration for enhanced stability.
Rear Suspension
The rear suspension system of the WRX is engineered to complement the front setup, providing balanced handling and traction. It uses a double-wishbone configuration for enhanced stability.
Double-Wishbone Design
- Features upper and lower control arms for precise wheel control
- Includes a multi-link setup for improved ride comfort
- Equipped with a rear stabilizer bar for cornering stability
- Uses monotube dampers for consistent performance
Key Components
- Forged aluminum control arms for reduced weight
- Coil springs with linear rates for predictable handling
- Adjustable toe links for alignment customization
- Polyurethane bushings for durability and responsiveness
Suspension Tuning
The 2014-2021 Subaru WRX offers various suspension tuning options to suit different driving styles and conditions. This section covers factory settings and aftermarket possibilities.
Suspension Tuning
The 2014-2021 Subaru WRX offers various suspension tuning options to suit different driving styles and conditions. This section covers factory settings and aftermarket possibilities.
Factory Settings
- Spring rates optimized for daily driving and performance
- Dampers tuned for a balance of comfort and sportiness
- Stabilizer bar thickness varies by trim level
- Alignment settings favor neutral handling
Aftermarket Upgrades
- Adjustable coilovers for height and damping customization
- Upgraded sway bars for reduced body roll
- Performance bushings for sharper response
- Camber kits for track-oriented setups
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Component Specifications
Overview
- Type
- MacPherson Strut (Front), Double Wishbone (Rear)
- Configuration
- Independent Suspension
- Platform
- Subaru Global Platform
- Material
- High-Strength Steel and Aluminum
- Location
- Front and Rear Axles
Dimensions
- Front Strut Length
- 22.5 inches (571.5 mm)
- Rear Shock Length
- 20.8 inches (528.3 mm)
- Front Spring Rate
- 200 lbs/in (35.0 N/mm)
- Rear Spring Rate
- 180 lbs/in (31.5 N/mm)
- Front Sway Bar Diameter
- 21 mm (0.83 in)
- Rear Sway Bar Diameter
- 16 mm (0.63 in)
- Wheel Travel Front
- 5.9 inches (150 mm)
- Wheel Travel Rear
- 5.5 inches (140 mm)
Materials
- Strut Body
- High-Strength Steel
- Spring
- Chromium-Silicon Alloy
- Control Arms
- Forged Aluminum
- Bushings
- Polyurethane and Rubber Composite
- Sway Bar
- Hollow Steel Tubing
Features
- Adjustability
-
- Fixed Damping (Base Model)
- Adjustable Damping (Performance Package)
- Ride Height Adjustment (Aftermarket)
- Stability
-
- Vehicle Dynamics Control (VDC)
- Traction Control System (TCS)
- Anti-Roll Bars
- Durability
-
- Corrosion-Resistant Coatings
- Reinforced Mounting Points
- Sealed Bearings
- Performance
-
- Sport-Tuned Springs
- High-Performance Dampers
- Lightweight Components
- integration
-
- Compatible with AWD System
- Optimized for All-Season Tires
- Integrated with ABS
Safety Features
- Structural integrity
-
- Crash-Tested Components
- Reinforced Subframe
- Stability Control
-
- Electronic Stability Program (ESP)
- Roll-Over Mitigation
- Emergency Handling
-
- Enhanced Cornering Stability
- Improved Brake Dive Control
Comfort Features
- Noise Reduction
-
- Insulated Bushings
- Vibration Dampers
- Ride Quality
-
- Progressive Rate Springs
- Hydraulic Rebound Control
- Adjustability
-
- Driver-Selectable Modes (Performance Package)
- Customizable Ride Height (Aftermarket)
- Temperature Management
-
- Heat-Resistant Seals
- Thermal-Coated Components
Accessories
- Upgrades
-
- Coilover Kits
- Adjustable Sway Bars
- Performance Strut Bars
- Maintenance Tools
-
- Strut Spring Compressor
- Bushing Installation Kit
- Alignment Tools
- Protection
-
- Strut Covers
- Underbody Shields
- Rust Inhibitors
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect Struts and Shocks for Leaks
- Check Bushings for Wear
- Lubricate Suspension Joints
- Tighten Mounting Bolts
- Verify Alignment Specifications
- Maintenance Notes
- Replace worn components immediately to prevent handling issues.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Defects in Materials or Workmanship
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Suspension Components
- Corrosion Warranty
- Miles: UnlimitedYears: 5Coverage: Perforation Due to Rust
- Extended Warranty
- Miles: 100,000Years: 7Coverage: Optional Extended Coverage
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Precision Forging
- Robotic Welding
- CNC Machining
- Quality Control
- inspection: 100% Component TestingStandards: ISO 9001 CertifiedTesting: Durability and Fatigue Testing
- Sustainability Practices
-
- Recycled Materials
- Energy-Efficient Production
- Waste Reduction Programs
- Production Metrics
- Annual Output: 500,000 UnitsDefect Rate: Less than 0.1%Lead Time: 4 Weeks
Service Information for Suspension Service
Maintenance and service requirements specific to the suspension system
- Inspect Struts and Shocks
- Check Bushings and Joints
- Verify Alignment
- Lubricate Suspension Components
Ensure all bolts are torqued to manufacturer specifications.
- Replace Worn Bushings
- Inspect Sway Bar Links
- Check Spring Condition
- Test Damping Performance
Use OEM or equivalent replacement parts for optimal performance.
- Replace Struts and Shocks
- Inspect Subframe for Damage
- Perform Full Alignment
- Test Suspension Geometry
Major service may require specialized tools and equipment.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 Is the suspension system compatible with other Subaru models?
Is the suspension system compatible with other Subaru models?
The suspension system for the 2014-2021 Subaru WRX is specifically designed for this model and may not be fully compatible with other Subaru vehicles. While some components might fit, performance and safety could be compromised. Always verify compatibility using the manufacturer's specifications or consult a Subaru dealership for accurate information.
Q2 What are the maintenance requirements for the WRX suspension?
What are the maintenance requirements for the WRX suspension?
Regular maintenance for the 2014-2021 Subaru WRX suspension includes inspecting shocks, struts, and bushings every 15,000-20,000 miles. Check for leaks, wear, or damage. Lubricate moving parts as needed and ensure proper alignment. Replace worn components promptly to maintain handling and safety. Follow the owner's manual for detailed intervals and procedures.
Q3 How do I replace the suspension components on a 2014-2021 WRX?
How do I replace the suspension components on a 2014-2021 WRX?
To replace suspension components, lift the vehicle and secure it on jack stands. Remove the wheels, then disconnect the strut assembly or shock absorber. Use a spring compressor for struts. Install the new component, ensuring proper torque on bolts. Reassemble the wheel and lower the vehicle. Perform an alignment to ensure proper handling.
Q4 What should I do if my WRX suspension feels unstable?
What should I do if my WRX suspension feels unstable?
If your suspension feels unstable, inspect for worn shocks, struts, or bushings. Check tire pressure and alignment. Look for leaks or damage to suspension components. Tighten loose bolts and ensure proper installation. If issues persist, consult a professional mechanic or Subaru dealership for a thorough diagnosis.
Q5 How can I optimize the performance of my WRX suspension?
How can I optimize the performance of my WRX suspension?
To optimize suspension performance, consider upgrading to high-performance shocks, struts, or coilovers. Adjust damping settings for your driving style. Use lightweight components to reduce unsprung weight. Regularly inspect and maintain the system. Proper alignment and tire selection also significantly impact handling and ride quality.
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 SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 2014-2021 Subaru WRX suspension system.
Subaru Technical Service Bulletin: Suspension Updates
Coming SoonLatest updates and fixes for the 2014-2021 Subaru WRX suspension system, including recalls and improvements.
Subaru WRX Suspension Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket suspension parts for the 2014-2021 Subaru WRX, including compatibility and pricing.
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Technical Information
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