Subaru Subaru Legacy 2005-2009 Suspension Specifications
Subaru Subaru Legacy 2005-2009

Subaru Subaru Legacy 2005-2009 Suspension Specifications

Explore the complete suspension specifications for the 2005-2009 Subaru Legacy, including front and rear suspension details, alignment settings, and maintenance tips. Perfect for mechanics, enthusiasts, and owners.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the suspension system of the 2005-2009 Subaru Legacy. It is designed to assist mechanics, enthusiasts, and owners in understanding the suspension components, configurations, and maintenance requirements. Use the search functionality to locate specific terms or navigate through sections to explore detailed information about front and rear suspension systems, alignment specifications, and key technical data.

How to Use

Use the search bar to enter keywords related to suspension components or specifications. Results will highlight relevant sections and subsections for quick access.

Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections with detailed technical points for easy reference.

Key Specifications

Front Spring Rate

2.5 kg/mm

Rear Spring Rate

2.2 kg/mm

Front Camber Range

-0.5° to 0.5°

Rear Camber Range

-1.0° to -0.5°

Caster Angle

3.5° to 4.5°

Available Specifications

Front Suspension

The front suspension of the 2005-2009 Subaru Legacy features a MacPherson strut design, providing a balance of comfort and handling. This section covers the key components, specifications, and maintenance tips for the front suspension system.

MacPherson Strut Assembly
  • Strut type: Gas-filled shock absorbers
  • Spring rate: 2.5 kg/mm (approximate)
  • Upper mount: Rubber bushing with bearing
  • Lower mount: Integrated with steering knuckle
  • Optional: Adjustable coilover compatibility
  • Optional: Aftermarket strut brace support
Control Arms and Bushings
  • Material: Steel with rubber bushings
  • Bushing type: Hydraulic for vibration damping
  • Arm length: 450 mm (approximate)
  • Replacement interval: 100,000 miles or as needed
  • Optional: Polyurethane bushings for performance

Rear Suspension

The rear suspension system utilizes a multi-link design, offering improved stability and ride quality. This section details the components, alignment settings, and common maintenance procedures for the rear suspension.

Multi-Link Suspension
  • Link configuration: 4-link design
  • Shock absorber type: Twin-tube gas-filled
  • Spring rate: 2.2 kg/mm (approximate)
  • Bushing material: Rubber with optional polyurethane
  • Optional: Adjustable camber arms
Rear Subframe
  • Material: Steel with welded construction
  • Mounting points: 4 bolts with rubber isolators
  • Weight: 25 kg (approximate)
  • Replacement: Rarely required unless damaged
  • Optional: Reinforced aftermarket subframes

Alignment Specifications

Proper alignment is critical for optimal handling and tire wear. This section provides factory-recommended alignment settings for the 2005-2009 Subaru Legacy, including camber, caster, and toe angles.

Front Alignment
  • Camber: -0.5° to 0.5°
  • Caster: 3.5° to 4.5°
  • Toe: 0.0° to 0.2° (toe-in)
  • Adjustment: Camber bolts or aftermarket kits
Rear Alignment
  • Camber: -1.0° to -0.5°
  • Toe: 0.1° to 0.3° (toe-in)
  • Adjustment: Factory non-adjustable (aftermarket kits available)
  • Optional: Adjustable rear control arms

Component Specifications

Overview

Type
Independent MacPherson Strut (Front), Independent Multi-Link (Rear)
Configuration
Front and Rear Independent Suspension
Platform
Subaru Legacy Platform (BL/BP)
Material
High-Strength Steel and Aluminum Alloy
Location
Front and Rear Axles

Dimensions

Front Strut Length
22.5 inches (571.5 mm)
Rear Shock Length
20.8 inches (528.3 mm)
Spring Wire Diameter
0.55 inches (14 mm)
Spring Free Length
14.2 inches (360.7 mm)
Sway Bar Diameter Front
0.98 inches (25 mm)
Sway Bar Diameter Rear
0.79 inches (20 mm)
Bushing Outer Diameter
1.57 inches (40 mm)
Strut Tube Diameter
2.36 inches (60 mm)

Materials

Springs
High-Tensile Steel
Struts
Steel with Aluminum Housing
Control Arms
Forged Aluminum
Bushings
Polyurethane and Rubber Composite
Sway Bars
Heat-Treated Steel

Features

Damping
  • Gas-Pressurized Shock Absorbers
  • Twin-Tube Design
  • Variable Damping Rates
Stability
  • Anti-Roll Sway Bars
  • Reinforced Control Arms
  • Precision Ball Joints
Adjustability
  • Height-Adjustable Coilovers (Optional)
  • Camber Adjustment Plates
  • Toe Adjustment Links
Durability
  • Corrosion-Resistant Coatings
  • Sealed Bearings
  • Reinforced Mounting Points
Performance
  • Sport-Tuned Springs (GT Models)
  • Stiffer Suspension Bushings
  • Enhanced Roll Resistance

Safety Features

Structural integrity
  • Reinforced Subframe
  • Crash-Resistant Mounts
Stability Control
  • Integrated with Vehicle Stability Control (VSC)
  • Electronic Brake Force Distribution (EBD)
Impact ABSorption
  • Energy-Dissipating Strut Design
  • Progressive Rate Springs

Comfort Features

Ride Quality
  • Tuned Spring Rates for Comfort
  • Isolated Subframe Mounts
Noise Reduction
  • Insulated Bushings
  • Sound-Dampening Strut Mounts
Vibration Control
  • Hydraulic Dampers
  • Rubber Isolators
Adjustability
  • Optional Adaptive Suspension (GT Models)
  • Driver-Selectable Modes

Accessories

Upgrades
  • Performance Coilovers
  • Adjustable Sway Bars
  • Polyurethane Bushings
Tools
  • Strut Spring Compressor
  • Alignment Kits
  • Torque Wrenches
Maintenance
  • Replacement Strut Mounts
  • Shock Absorber Kits
  • Bushing Lubricants

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
  • Inspect Sway Bar Links
Maintenance Notes
Replace worn components immediately to prevent further damage.

Warranty

Basic
Miles: 36,000
Years: 3
Coverage: Defects in Materials and Workmanship
Powertrain
Miles: 60,000
Years: 5
Coverage: Suspension Components
Corrosion
Miles: Unlimited
Years: 5
Coverage: Perforation from Rust
Extended
Miles: 100,000
Years: 7
Coverage: Optional Extended Coverage

Production Details

Manufacturer
Subaru Corporation
Manufacturing Process
  • Robotic Welding
  • Precision Machining
  • Heat Treatment
Quality Control
Testing: Durability Testing, Vibration Analysis, Load Testing
Standards: ISO 9001 Certified, JIS Quality Standards
Sustainability Practices
  • Recycled Materials in Components
  • Eco-Friendly Coatings
  • Energy-Efficient Manufacturing
Production Metrics
Annual Output: 500,000 Units
Defect Rate: Less than 0.1%
Lead Time: 4 Weeks

Service Information for Suspension Service

Maintenance and service requirements specific to the suspension system

30,000
24
  • Inspect Struts and Shocks
  • Check Bushings and Joints
  • Lubricate Suspension Components
  • Tighten Mounting Bolts
  • Inspect Sway Bar Links

Ensure all components are free of leaks and wear.

60,000
48
  • Replace Worn Bushings
  • Check Alignment Settings
  • Inspect Coil Springs
  • Test Damping Performance
  • Inspect Subframe Mounts

Use specialized tools for alignment and bushing replacement.

100,000
84
  • Replace Struts and Shocks
  • Overhaul Suspension Joints
  • Inspect and Replace Sway Bars
  • Perform Full Alignment
  • Test Ride Height and Stability

Critical to replace all worn components to maintain safety and performance.

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

What are the compatibility specifications for the 2005-2009 Subaru Legacy suspension system?

The 2005-2009 Subaru Legacy suspension system is compatible with specific models within this range, including sedans and wagons. It features MacPherson struts in the front and a multi-link setup in the rear. Compatibility depends on trim levels and drivetrain (AWD or FWD). Always verify part numbers and specifications with your vehicle's VIN or consult a Subaru dealer for precise compatibility details.

Q2

What maintenance is required for the 2005-2009 Subaru Legacy suspension?

Regular maintenance for the 2005-2009 Subaru Legacy suspension includes inspecting struts, shocks, and bushings every 30,000 miles. Replace worn components promptly to avoid uneven tire wear or handling issues. Lubricate suspension joints annually and check alignment after any significant impact. Follow the manufacturer's service schedule for optimal performance and longevity.

Q3

How do I replace the suspension struts on a 2005-2009 Subaru Legacy?

To replace the suspension struts, first, safely lift the vehicle and remove the wheels. Disconnect the sway bar link and brake line bracket. Unbolt the strut assembly from the knuckle and remove it from the vehicle. Compress the spring using a strut compressor tool, then replace the strut. Reassemble in reverse order, ensuring all bolts are torqued to factory specifications.

Q4

What are common suspension issues in the 2005-2009 Subaru Legacy?

Common issues include worn struts, noisy bushings, and uneven tire wear. Diagnose by inspecting for leaks, checking for play in suspension components, and listening for clunking noises during driving. Replace damaged parts and ensure proper alignment. Persistent issues may require professional diagnosis to address underlying causes.

Q5

How can I optimize the suspension performance of my 2005-2009 Subaru Legacy?

To optimize suspension performance, consider upgrading to high-performance struts and springs for better handling. Ensure proper alignment and tire pressure. Regularly inspect and replace worn components. Adding a rear sway bar can improve cornering stability. Always follow manufacturer guidelines for modifications to maintain safety and performance.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

2005-2009 Subaru Legacy Service Manual

Coming Soon

Comprehensive guide covering suspension system maintenance, repair, and specifications for the 2005-2009 Subaru Legacy.

Subaru Technical Service Bulletin: Suspension Noise

Coming Soon

TSB addressing common suspension noise issues in 2005-2009 Subaru Legacy models, including diagnostic steps and repair procedures.

Subaru Legacy Suspension Parts Catalog

Coming Soon

Detailed catalog of OEM and aftermarket suspension parts for the 2005-2009 Subaru Legacy, including part numbers and compatibility information.

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.

15+ Years
Experience
500+ Guides
Guides
50+ Makes
Vehicles
1000+ Solutions
Solutions

Diagnostic

Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.

Repair

Expert in both traditional mechanical repairs and modern vehicle systems.

Additional Expertise

Documentation

Created over 500 detailed repair guides and technical documents.

Training

Conducted technical training sessions and contributed to repair databases.

Certifications & Research

Certifications

  • ASE Master Technician Certification
  • Advanced Diagnostic Specialist
  • Hybrid/Electric Vehicle Systems
  • Performance Tuning Expert

Research & Community

Actively researches emerging technologies and contributes to automotive forums.

Legal Disclaimer

Important information about using this content

Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.

General Information
The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
Warranty & Liability

The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.

We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.

Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
  • Vehicle specifications and procedures may vary by model year, trim level, and region.
  • Always follow the manufacturer's recommended procedures and safety precautions.
  • Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
  • If you're unsure about any procedure, consult a qualified professional mechanic.
Intellectual Property
All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.

© 2025 Subaru Specs. All rights reserved.