Mazda Mazda RX-8 2003-2012 Suspension Specifications
Explore the complete suspension specifications for the 2003-2012 Mazda RX-8, including spring rates, alignment settings, and geometry. Ideal for repairs, upgrades, and performance tuning.
Overview Specifications
This document provides detailed specifications and technical information about the suspension system of the 2003-2012 Mazda RX-8. It is designed to assist enthusiasts, mechanics, and engineers in understanding the suspension setup, including components, dimensions, and performance characteristics. Use the search and navigation instructions to quickly locate specific details or browse through sections for a comprehensive understanding.
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Navigate through the document by scrolling through sections or using the table of contents. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Front Suspension Type
Double-Wishbone
Rear Suspension Type
Multi-Link
Front Stabilizer Bar Diameter
24 mm
Rear Stabilizer Bar Diameter
20 mm
Front Spring Rate
2.5 kg/mm
Available Specifications
Front Suspension
The front suspension of the Mazda RX-8 is a double-wishbone design, optimized for precise handling and stability. This section covers the key components, dimensions, and performance attributes of the front suspension system.
Front Suspension
The front suspension of the Mazda RX-8 is a double-wishbone design, optimized for precise handling and stability. This section covers the key components, dimensions, and performance attributes of the front suspension system.
Double-Wishbone Design
- Independent double-wishbone configuration
- Upper and lower aluminum control arms
- Coil-over shock absorbers
- Stabilizer bar diameter: 24 mm
- Anti-dive geometry for improved braking stability
- Lightweight construction for reduced unsprung mass
Front Suspension Dimensions
- Wheel track width: 1,490 mm
- Kingpin inclination: 12.5 degrees
- Caster angle: 5.5 degrees
- Toe-in: 0.5 degrees
- Camber angle: -0.5 degrees
Rear Suspension
The rear suspension features a multi-link design, providing excellent ride comfort and handling balance. This section details the components, dimensions, and performance characteristics of the rear suspension system.
Rear Suspension
The rear suspension features a multi-link design, providing excellent ride comfort and handling balance. This section details the components, dimensions, and performance characteristics of the rear suspension system.
Multi-Link Design
- Independent multi-link configuration
- Trailing arms and lateral links
- Coil-over shock absorbers
- Stabilizer bar diameter: 20 mm
- Anti-squat geometry for improved acceleration stability
- Optimized for weight distribution and cornering performance
Rear Suspension Dimensions
- Wheel track width: 1,500 mm
- Toe-in: 0.3 degrees
- Camber angle: -1.0 degrees
- Trailing arm length: 450 mm
- Lateral link length: 300 mm
Shock Absorbers and Springs
This section covers the shock absorbers and springs used in the Mazda RX-8, including their specifications, performance characteristics, and tuning details.
Shock Absorbers and Springs
This section covers the shock absorbers and springs used in the Mazda RX-8, including their specifications, performance characteristics, and tuning details.
Shock Absorbers
- Twin-tube gas-filled design
- Front shock absorber stroke: 120 mm
- Rear shock absorber stroke: 110 mm
- Adjustable damping force (optional on performance models)
- Designed for high-speed stability and low-speed comfort
Springs
- Front spring rate: 2.5 kg/mm
- Rear spring rate: 2.2 kg/mm
- Progressive spring design
- Optimized for weight distribution and handling balance
- Corrosion-resistant coating for durability
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Component Specifications
Overview
- Type
- Independent MacPherson strut (front), Independent multi-link (rear)
- Configuration
- Front and rear independent suspension
- Platform
- Mazda RX-8 chassis
- Material
- High-strength steel and aluminum components
- 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
- 2.8 kg/mm
- Rear Spring Rate
- 3.2 kg/mm
- Front Sway Bar Diameter
- 24 mm (0.94 in)
- Rear Sway Bar Diameter
- 20 mm (0.79 in)
- Wheel Travel Front
- 5.9 inches (150 mm)
- Wheel Travel Rear
- 5.5 inches (140 mm)
Materials
- Strut Housing
- High-strength steel
- Control Arms
- Forged aluminum
- Springs
- Chromium-silicon alloy steel
- Bushings
- Polyurethane and rubber composite
- Sway Bars
- Hollow steel tubing
Features
- Performance
-
- Sport-tuned damping
- High-performance bushings
- Optimized roll center
- Enhanced cornering stability
- Adjustability
-
- Camber adjustment (front and rear)
- Toe adjustment (rear)
- Ride height adjustment (aftermarket)
- Durability
-
- Corrosion-resistant coatings
- Reinforced mounting points
- High-cycle fatigue resistance
- Handling
-
- Precision steering response
- Reduced body roll
- Improved weight distribution
- Comfort
-
- Progressive rate springs
- Hydraulic bump stops
- Isolated subframe mounts
Safety Features
- Structural integrity
-
- Crash-tested components
- Reinforced suspension mounts
- Stability
-
- Electronic Stability Control (ESC) integration
- Anti-roll bar reinforcement
- Braking Support
-
- Compatible with ABS
- Enhanced weight transfer under braking
Comfort Features
- Noise Reduction
-
- Isolated subframe
- Rubber-insulated bushings
- Vibration Dampening
-
- Hydraulic dampers
- Progressive spring rates
- Ride Quality
-
- Optimized shock valving
- Compliant bushings
- Temperature Resistance
-
- Heat-resistant seals
- Thermal-stable materials
Accessories
- Upgrades
-
- Coilover kits
- Adjustable sway bars
- Polyurethane bushings
- Tools
-
- Strut compressor
- Alignment tools
- Torque wrench
- Maintenance Kits
-
- Bushing replacement kit
- Strut mount kit
- Sway bar link kit
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect bushings for wear
- Check shock absorber performance
- Lubricate suspension joints
- Inspect alignment settings
- Tighten suspension bolts
- Maintenance Notes
- Regular alignment checks recommended for optimal handling
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Defects in materials or workmanship
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation corrosion only
- Powertrain
- Miles: 60,000Years: 5Coverage: Suspension components
- Extended
- Miles: 100,000Years: 7Coverage: Optional extended coverage
Production Details
- Manufacturer
- Mazda Motor Corporation
- Manufacturing Process
-
- Precision forging
- Robotic welding
- CNC machining
- Quality Control
- Testing: Fatigue testing, Corrosion resistance testing, Dynamic load testingStandards: ISO 9001 certified, JIS D 0101 compliance
- Sustainability Practices
-
- Recycled materials in bushings
- Low-emission coatings
- Energy-efficient manufacturing
- Production Metrics
- Annual Output: 50,000 unitsDefect Rate: 0.02%Lead Time: 4 weeks
Service Information for suspension Service
Maintenance and service requirements specific to this component
- Inspect bushings and mounts
- Check shock absorber performance
- Lubricate suspension joints
- Verify alignment settings
- Tighten suspension bolts
Alignment checks are critical for optimal handling
- Replace worn bushings
- Inspect and replace sway bar links
- Check for corrosion on components
- Test suspension damping performance
- Verify subframe integrity
Use OEM or equivalent parts for replacements
- Replace shock absorbers
- Inspect and replace control arms if necessary
- Check and replace strut mounts
- Perform full suspension alignment
- Test electronic stability control integration
Major service may require specialized tools
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What suspension components are compatible with the 2003-2012 Mazda RX-8?
What suspension components are compatible with the 2003-2012 Mazda RX-8?
The 2003-2012 Mazda RX-8 is compatible with a range of suspension components, including coilovers, shock absorbers, and lowering springs designed specifically for this model. Ensure compatibility by checking part numbers and specifications, such as spring rates and shock valving, which should match the RX-8's weight distribution and handling characteristics. OEM and aftermarket options are available, but always verify fitment with the manufacturer.
Q2 What maintenance is required for the RX-8 suspension system?
What maintenance is required for the RX-8 suspension system?
Regular maintenance for the RX-8 suspension includes inspecting shock absorbers, bushings, and springs for wear every 12,000-15,000 miles. Lubricate suspension joints and check for leaks or damage. Alignment should be checked annually or after any suspension modifications. Replace worn components promptly to maintain handling and ride quality. Follow the manufacturer's guidelines for specific intervals and procedures.
Q3 How do I replace the suspension on a Mazda RX-8?
How do I replace the suspension on a Mazda RX-8?
To replace the RX-8 suspension, first, safely lift the vehicle and remove the wheels. Disconnect the sway bar links, brake lines, and ABS sensors. Unbolt the shock absorber and spring assembly from the control arm and strut tower. Install the new suspension components in reverse order, ensuring proper torque specifications. Perform a wheel alignment after installation to ensure optimal handling.
Q4 What are common suspension issues in the Mazda RX-8?
What are common suspension issues in the Mazda RX-8?
Common suspension issues include worn shock absorbers, sagging springs, and deteriorated bushings. Symptoms include uneven tire wear, poor handling, and excessive noise. Diagnose by inspecting components for damage or wear. Replace faulty parts and ensure proper alignment. Regularly check for loose bolts or leaks to prevent further issues.
Q5 How can I optimize the suspension performance of my RX-8?
How can I optimize the suspension performance of my RX-8?
To optimize RX-8 suspension performance, consider upgrading to high-quality coilovers or adjustable shocks for better handling and ride comfort. Lowering springs can improve aerodynamics and reduce body roll. Ensure proper alignment and corner balancing. Regularly inspect and maintain components to prevent wear and maintain performance. Consult a professional for advanced tuning.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Mazda RX-8 Service Manual
Coming SoonComprehensive guide covering suspension system maintenance, repair, and specifications for the 2003-2012 Mazda RX-8.
RX-8 Suspension Technical Bulletin
Coming SoonTechnical service bulletin addressing common suspension issues and recommended solutions for the Mazda RX-8.
Mazda RX-8 Suspension Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket suspension components for the 2003-2012 Mazda RX-8.
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