Subaru Subaru Impreza 2007-2011 Suspension Specifications
Explore detailed suspension specifications for the 2007-2011 Subaru Impreza, including struts, shocks, springs, and alignment settings. Ideal for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the suspension system of the 2007-2011 Subaru Impreza. It is designed to assist enthusiasts, mechanics, and owners in understanding the suspension components, their functions, and key measurements. Use the search and navigation instructions to quickly locate specific details or browse through sections for a comprehensive understanding of the suspension setup.
How to Use
Use the search functionality by entering keywords related to suspension components or specifications. This will highlight relevant sections and subsections for quick access.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is organized by major suspension topics, with subsections providing detailed technical points.
Key Specifications
Front Spring Rate
2.8 kg/mm
Rear Spring Rate
2.4 kg/mm
Front Sway Bar Diameter
20-21 mm
Rear Sway Bar Diameter
16-19 mm
Wheelbase
2,620-2,625 mm
Available Specifications
Front Suspension
The front suspension of the 2007-2011 Subaru Impreza is designed for stability and responsiveness. This section covers the key components, including the strut assembly, control arms, and bushings, along with their specifications and functions.
Front Suspension
The front suspension of the 2007-2011 Subaru Impreza is designed for stability and responsiveness. This section covers the key components, including the strut assembly, control arms, and bushings, along with their specifications and functions.
Strut Assembly
- MacPherson strut design for compact packaging and weight savings
- Coil spring rate: 2.8 kg/mm (approx.)
- Gas-filled shock absorbers for improved damping
- Strut mount bearings allow for smooth steering input
Control Arms and Bushings
- Lower control arms made of stamped steel for durability
- Rubber bushings for noise reduction and vibration damping
- Front sway bar diameter: 20 mm (base model), 21 mm (WRX/STI)
- Anti-roll bar links for enhanced cornering stability
Rear Suspension
The rear suspension system of the 2007-2011 Subaru Impreza features a multi-link design for improved handling and ride comfort. This section details the components, including the trailing arms, lateral links, and rear differential support.
Rear Suspension
The rear suspension system of the 2007-2011 Subaru Impreza features a multi-link design for improved handling and ride comfort. This section details the components, including the trailing arms, lateral links, and rear differential support.
Multi-Link Setup
- Independent multi-link suspension for better wheel control
- Coil spring rate: 2.4 kg/mm (approx.)
- Gas-filled shock absorbers for consistent performance
- Trailing arms and lateral links for precise alignment
Rear Differential Support
- Rear differential mounted on a subframe for rigidity
- Rubber bushings to isolate vibrations
- Rear sway bar diameter: 16 mm (base model), 19 mm (WRX/STI)
- Adjustable camber and toe settings for performance tuning
Suspension Geometry
This section covers the suspension geometry of the 2007-2011 Subaru Impreza, including alignment specifications, ride height, and wheelbase measurements. These details are critical for understanding handling characteristics and tuning potential.
Suspension Geometry
This section covers the suspension geometry of the 2007-2011 Subaru Impreza, including alignment specifications, ride height, and wheelbase measurements. These details are critical for understanding handling characteristics and tuning potential.
Alignment Specifications
- Front camber: -0.5° to -1.0° (factory setting)
- Rear camber: -1.0° to -1.5° (factory setting)
- Toe-in: 0.05° to 0.15° (front and rear)
- Caster angle: 4.5° to 5.5° (front)
Ride Height and Wheelbase
- Ride height: 150 mm (approx.) from ground to chassis
- Wheelbase: 2,620 mm (sedan), 2,625 mm (hatchback)
- Track width: 1,490 mm (front), 1,500 mm (rear)
- Ground clearance: 150 mm (base model), 140 mm (WRX/STI)
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Component Specifications
Overview
- Type
- MacPherson strut front, double-wishbone rear
- Configuration
- Independent suspension
- Platform
- Subaru Global Platform (SGP)
- 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)
- Spring Rate Front
- 2.8 kg/mm
- Spring Rate Rear
- 3.2 kg/mm
- Track Width Front
- 58.7 inches (1491 mm)
- Track Width Rear
- 58.3 inches (1481 mm)
- Ground Clearance
- 5.9 inches (150 mm)
- Wheelbase
- 103.1 inches (2619 mm)
Materials
- Strut Body
- High-strength steel
- Spring
- Chromium-silicon alloy steel
- Control Arms
- Forged aluminum
- Bushings
- Polyurethane and rubber composite
- Shock ABSorber
- Aluminum housing with hydraulic fluid
Features
- Damping
-
- Twin-tube shock absorbers
- Gas-charged design
- Variable damping rates
- Stability
-
- Anti-roll bars front and rear
- Stabilizer links
- Reinforced subframe
- Adjustability
-
- Camber adjustment bolts
- Toe adjustment capability
- Ride height adjustability (aftermarket)
- Durability
-
- Corrosion-resistant coatings
- Sealed bearings
- Reinforced mounting points
- Performance
-
- Enhanced cornering stability
- Improved weight distribution
- Reduced unsprung mass
Safety Features
- Structural integrity
-
- Crash-resistant design
- Reinforced mounting points
- Stability Control
-
- Integrated with Vehicle Dynamics Control (VDC)
- Electronic Stability Program (ESP) compatibility
- Impact ABSorption
-
- Energy-dissipating strut mounts
- Progressive spring rates
Comfort Features
- Noise Reduction
-
- Insulated strut mounts
- Rubber bushings
- Vibration Damping
-
- Hydraulic dampers
- Tuned spring rates
- Ride Quality
-
- Smooth ride over bumps
- Reduced body roll
- Adjustability
-
- Optional sport-tuned suspension
- Aftermarket coilover compatibility
Accessories
- Upgrades
-
- Performance coilovers
- Adjustable sway bars
- Polyurethane bushings
- Tools
-
- Strut spring compressor
- Alignment tools
- Torque wrench
- Maintenance
-
- Replacement strut mounts
- Shock absorber rebuild kits
- Grease for bushings
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect struts and shocks for leaks
- Check bushings for wear
- Lubricate suspension components
- Tighten all mounting bolts
- Inspect alignment
- Maintenance Notes
- Replace worn components immediately to avoid further damage.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Defects in materials or workmanship
- Powertrain
- Miles: 60,000Years: 5Coverage: Suspension components
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Rust perforation
- Extended
- Miles: 100,000Years: 7Coverage: Optional extended coverage
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Precision forging
- Robotic welding
- Heat treatment
- Quality inspection
- Quality Control
- Testing: Durability testing, Corrosion resistance testing, Load capacity testingStandards: ISO 9001 certified, JIS D 0101 compliance
- Sustainability
-
- Recyclable materials
- Energy-efficient production
- Waste reduction initiatives
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: 0.01%Lead Time: 4 weeks
Service Information for suspension Service
Maintenance and service requirements specific to this component
- Inspect struts and shocks for leaks
- Check bushings for wear
- Lubricate suspension components
- Tighten all mounting bolts
- Inspect alignment
Replace worn components immediately to avoid further damage.
- Replace strut mounts
- Inspect and replace bushings if necessary
- Check and replace shock absorbers
- Perform full alignment
- Inspect subframe for cracks
Use OEM parts for replacements to ensure compatibility.
- Replace struts and shocks
- Replace all bushings
- Inspect and replace control arms if necessary
- Perform full suspension overhaul
- Test Vehicle Dynamics Control (VDC) system
Major service requires specialized tools and expertise.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What suspension components are compatible with the 2007-2011 Subaru Impreza?
What suspension components are compatible with the 2007-2011 Subaru Impreza?
The 2007-2011 Subaru Impreza is compatible with a range of suspension components, including coilovers, struts, and lowering springs. Key specifications include a bolt pattern of 5x100, a hub bore of 56.1mm, and a thread size of M12x1.25 for lug nuts. Ensure compatibility with your specific trim level (e.g., WRX, STI) as suspension setups may vary. Always verify fitment with the manufacturer before purchase.
Q2 What maintenance is required for the suspension system of a 2007-2011 Subaru Impreza?
What maintenance is required for the suspension system of a 2007-2011 Subaru Impreza?
Regular maintenance for the suspension system includes inspecting shocks and struts for leaks or wear every 30,000 miles, checking bushings and ball joints for cracks or looseness, and ensuring proper alignment. Replace worn components promptly to avoid uneven tire wear and handling issues. Lubricate suspension joints annually and tighten bolts to the manufacturer's torque specifications during routine servicing.
Q3 How do I replace the suspension struts on a 2007-2011 Subaru Impreza?
How do I replace the suspension struts on a 2007-2011 Subaru Impreza?
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 from the knuckle and remove the top strut mount bolts inside the engine bay. Install the new strut in reverse order, ensuring all bolts are torqued to factory specifications. Perform a wheel alignment after replacement.
Q4 What are common suspension issues in the 2007-2011 Subaru Impreza and how can I troubleshoot them?
What are common suspension issues in the 2007-2011 Subaru Impreza and how can I troubleshoot them?
Common issues include clunking noises (often due to worn strut mounts or sway bar links), uneven tire wear (caused by misalignment or worn shocks), and excessive body roll (indicating weak springs or sway bars). Diagnose by inspecting components for damage, testing suspension movement, and checking for loose bolts. Replace faulty parts and ensure proper alignment to resolve issues.
Q5 How can I optimize the suspension performance of my 2007-2011 Subaru Impreza?
How can I optimize the suspension performance of my 2007-2011 Subaru Impreza?
To optimize suspension performance, consider upgrading to performance coilovers or lowering springs for improved handling. Install a stiffer sway bar to reduce body roll and enhance cornering stability. Ensure proper alignment and tire pressure for balanced performance. Regularly inspect and maintain suspension components to prevent wear and maintain optimal 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.
2007-2011 Subaru Impreza Service Manual
Coming SoonComprehensive guide covering suspension system maintenance, repair, and specifications for the 2007-2011 Subaru Impreza.
Subaru Technical Service Bulletin: Suspension Noise
Coming SoonTSB addressing common suspension noise issues in 2007-2011 Subaru Impreza models, including diagnostic steps and repair procedures.
Subaru Impreza Suspension Parts Catalog
Coming SoonCatalog listing OEM and aftermarket suspension components for the 2007-2011 Subaru Impreza, including part numbers and compatibility details.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
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
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.