Subaru Subaru Impreza 2000-2007 Suspension Specifications
Explore detailed suspension specifications for the 2000-2007 Subaru Impreza, including struts, shocks, springs, and alignment settings. Ideal for maintenance, repairs, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the suspension system of the 2000-2007 Subaru Impreza. It is designed to assist enthusiasts, mechanics, and owners in understanding the suspension components, configurations, and performance characteristics. Use the search and navigation instructions to quickly locate specific details or browse through sections for a comprehensive understanding of the suspension system.
How to Use
Use the search functionality to find specific terms or components by entering keywords related to suspension parts or specifications. This is ideal for locating precise information quickly.
Navigate through the document by scrolling through 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 Anti-Roll Bar
20-21 mm
Front Track Width
1480 mm
Rear Track Width
1470 mm
Available Specifications
Front Suspension
The front suspension of the 2000-2007 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 2000-2007 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
- Gas-filled shock absorbers for improved damping performance
- Coil spring rate: 2.8 kg/mm (varies by trim level)
- Strut mount includes rubber insulator for noise reduction
- Optional adjustable struts available in performance models
Control Arms and Bushings
- Forged aluminum lower control arms for reduced weight
- Rubber bushings for vibration damping and durability
- Front track width: 1480 mm
- Anti-roll bar diameter: 20 mm (base model), 21 mm (WRX/STI)
Rear Suspension
The rear suspension system of the 2000-2007 Subaru Impreza features a multi-link design for enhanced handling and ride comfort. This section details the components, including the trailing arms, lateral links, and rear differential mounting.
Rear Suspension
The rear suspension system of the 2000-2007 Subaru Impreza features a multi-link design for enhanced handling and ride comfort. This section details the components, including the trailing arms, lateral links, and rear differential mounting.
Multi-Link Design
- Independent multi-link suspension for improved cornering stability
- Trailing arms and lateral links made of steel for strength
- Rear track width: 1470 mm
- Coil spring rate: 2.4 kg/mm (varies by trim level)
Rear Differential Mounting
- Stiffened rear differential mounts for reduced drivetrain movement
- Rubber bushings for noise and vibration isolation
- Optional performance bushings available for track use
Suspension Geometry
The suspension geometry of the 2000-2007 Subaru Impreza is optimized for balanced handling and stability. This section covers key measurements, including camber, caster, and toe settings, as well as their impact on performance.
Suspension Geometry
The suspension geometry of the 2000-2007 Subaru Impreza is optimized for balanced handling and stability. This section covers key measurements, including camber, caster, and toe settings, as well as their impact on performance.
Camber and Caster
- Front camber angle: -0.5° to -1.0° (adjustable in performance models)
- Rear camber angle: -1.5° to -2.0°
- Front caster angle: 4.5° to 5.5°
- Caster adjustment available with aftermarket components
Toe Settings
- Front toe-in: 0.0° to 0.2°
- Rear toe-in: 0.1° to 0.3°
- Toe adjustments recommended for track or performance driving
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Component Specifications
Overview
- Type
- Independent MacPherson Strut (Front), Independent Double Wishbone (Rear)
- Configuration
- Front and Rear Independent Suspension
- Platform
- Subaru Global Platform (SGP) compatible
- 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)
- 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 Mount Diameter
- 4.72 inches (120 mm)
Materials
- Springs
- Chromium-silicon alloy steel
- Struts
- High-strength steel with aluminum housing
- Bushings
- Polyurethane and rubber composite
- Control Arms
- Forged steel with aluminum components
- Sway Bars
- Heat-treated carbon steel
Features
- Damping
-
- Gas-charged shock absorbers
- Twin-tube design
- Variable damping rates
- Rebound and compression tuning
- Adjustability
-
- Ride height adjustment (aftermarket)
- Camber adjustment (front and rear)
- Toe adjustment (rear)
- Sway bar link adjustability
- Durability
-
- Corrosion-resistant coatings
- Sealed bearings
- Reinforced mounting points
- High-cycle fatigue resistance
- Performance
-
- Enhanced roll stiffness
- Improved bump absorption
- Reduced unsprung weight
- Optimized geometry for handling
- Compatibility
-
- Supports AWD system
- Compatible with OEM and aftermarket parts
- Fits multiple wheel sizes (15-18 inches)
- Works with stock and upgraded brakes
Safety Features
- Structural integrity
-
- Crash-tested components
- Reinforced mounting brackets
- High-strength fasteners
- Stability
-
- Electronic Stability Control (ESC) integration
- Anti-roll bar reinforcement
- Precision alignment capabilities
- Failure Prevention
-
- Corrosion-resistant materials
- Sealed joints and bearings
- Wear indicators on bushings
Comfort Features
- Noise Reduction
-
- Isolated strut mounts
- Rubber-insulated bushings
- Sound-dampening materials
- Vibration Control
-
- Hydraulic damping
- Tuned spring rates
- Multi-layer bushings
- Ride Quality
-
- Progressive spring design
- Optimized shock valving
- Compliant yet firm tuning
- Temperature Management
-
- Heat-resistant seals
- Thermal-stable fluids
- Vented shock housings
Accessories
- Upgrades
-
- Coilover kits
- Adjustable sway bars
- Polyurethane bushings
- Strut tower braces
- Tools
-
- Spring compressors
- Alignment kits
- Torque wrenches
- Bushing installation tools
- Protection
-
- Strut boots
- Dust covers
- Rust inhibitors
- Protective coatings
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
- Verify alignment settings
- Tighten all suspension fasteners
- Maintenance Notes
- Regularly inspect for corrosion and replace worn components promptly.
Warranty
- Standard
- Miles: 36,000Years: 3Coverage: Manufacturing defects
- Extended
- Miles: 100,000Years: 7Coverage: Component failure
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Rust perforation
- Performance
- Miles: 50,000Years: 5Coverage: Aftermarket parts (if installed by dealer)
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Precision forging
- CNC machining
- Heat treatment
- Robotic assembly
- Quality Control
- Testing: Durability testing, Fatigue analysis, Corrosion resistance testingStandards: ISO 9001 certified, JIS D 0101 compliant, Subaru Global Quality Standards
- Sustainability Practices
-
- Recycled materials in bushings
- Low-emission coatings
- Energy-efficient manufacturing
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: 0.02%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 and tear
- Lubricate all suspension joints
- Verify wheel alignment settings
- Tighten suspension fasteners to spec
Ensure proper torque settings and use thread locker where specified.
- Replace worn bushings
- Inspect and replace sway bar links if needed
- Check for corrosion on suspension components
- Test shock absorber performance
- Verify suspension geometry
Use OEM or equivalent replacement parts for optimal performance.
- Replace struts and shocks
- Inspect and replace control arms if necessary
- Perform full suspension alignment
- Replace all suspension bushings
- Check and replace mounting hardware
Consider upgrading to performance components during major service.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What suspension components are compatible with the 2000-2007 Subaru Impreza?
What suspension components are compatible with the 2000-2007 Subaru Impreza?
The 2000-2007 Subaru Impreza is compatible with a range of suspension components, including coilovers, struts, and shocks from brands like KYB, Tein, and Bilstein. Ensure the parts match the specific model year and trim, as WRX and STI versions may have different requirements. Always verify compatibility using the manufacturer’s specifications or consult a trusted mechanic.
Q2 What are the maintenance requirements for the suspension system?
What are the maintenance requirements for the suspension system?
Regular maintenance is crucial for optimal suspension performance. Inspect shocks, struts, and bushings every 20,000 miles. Check for leaks, wear, or damage. Replace worn components promptly. Lubricate suspension joints annually and ensure proper wheel alignment. Following these steps will extend the lifespan of your suspension system and improve driving comfort.
Q3 How do I replace the struts on a 2000-2007 Subaru Impreza?
How do I replace the struts on a 2000-2007 Subaru Impreza?
To replace the struts, first, safely lift the vehicle and remove the wheels. Loosen the strut mounting bolts and disconnect the sway bar link. Use a spring compressor to safely remove the strut assembly. Install the new strut, reassemble components, and torque all bolts to the manufacturer’s specifications. Always perform a wheel alignment after replacement.
Q4 What are common suspension issues and how can I troubleshoot them?
What are common suspension issues and how can I troubleshoot them?
Common issues include uneven tire wear, excessive bouncing, or knocking noises. Check for worn shocks, damaged bushings, or loose components. Use a jack to inspect the suspension for visible damage or leaks. If the problem persists, consult a professional mechanic for a thorough diagnosis and repair.
Q5 How can I optimize the suspension performance for my Impreza?
How can I optimize the suspension performance for my Impreza?
Upgrade to high-performance suspension components like coilovers or adjustable shocks for better handling. Ensure proper alignment and tire pressure. Regularly inspect and maintain suspension parts. For track use, consider stiffer springs and sway bars to reduce body roll and improve cornering stability.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Subaru Impreza 2000-2007 Service Manual
Coming SoonDetailed service manual covering all aspects of the Impreza, including suspension systems, repair procedures, and maintenance schedules.
TSB 03-45-07: Suspension Noise Fix
Coming SoonTechnical Service Bulletin addressing common suspension noise issues in 2003-2007 Subaru Impreza models.
Subaru Impreza Suspension Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket suspension parts for the 2000-2007 Subaru Impreza.
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Technical Information
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