Subaru Subaru Forester 1997-2002 Suspension Specifications
Discover detailed suspension specifications for the 1997-2002 Subaru Forester. Learn about front and rear suspension components, compatibility, and maintenance tips for optimal performance and safety.
Overview Specifications
This document provides detailed suspension specifications for the 1997-2002 Subaru Forester. It is designed to assist mechanics, enthusiasts, and owners in understanding the suspension system's components, configurations, and technical details. Use this guide to locate specific information about suspension types, dimensions, and maintenance tips. The sections are organized to help you quickly find the information you need, whether you're performing repairs, upgrades, or general maintenance.
How to Use
Use the search functionality to find specific terms or components within the document. Enter keywords like 'strut' or 'spring rate' to quickly locate relevant sections.
Navigate through the document using the section titles and subsections. Each major section is divided into detailed subsections, making it easy to find specific technical details about the suspension system.
Key Specifications
Front Spring Rate
2.8 kg/mm
Rear Spring Rate
2.5 kg/mm
Strut Diameter
50 mm
Shock Diameter
46 mm
Wheelbase
2,525 mm
Available Specifications
Front Suspension
The front suspension of the 1997-2002 Subaru Forester is designed for durability and performance. This section covers the key components, including struts, springs, and control arms, along with their specifications and functions.
Front Suspension
The front suspension of the 1997-2002 Subaru Forester is designed for durability and performance. This section covers the key components, including struts, springs, and control arms, along with their specifications and functions.
Strut Assembly
- MacPherson strut design for compactness and stability
- Gas-filled struts for improved damping
- Strut diameter: 50 mm
- Spring rate: 2.8 kg/mm
- Integrated coil spring for space efficiency
- Upper strut mount with rubber bushing for noise reduction
Control Arms and Bushings
- Forged steel lower control arms for strength
- Rubber bushings for vibration dampening
- Control arm length: 420 mm
- Bushing durometer: 70 Shore A
- Replaceable bushings for easier maintenance
Rear Suspension
The rear suspension system of the Forester ensures balanced handling and load capacity. This section details the multi-link setup, including trailing arms, lateral links, and shock absorbers.
Rear Suspension
The rear suspension system of the Forester ensures balanced handling and load capacity. This section details the multi-link setup, including trailing arms, lateral links, and shock absorbers.
Multi-Link Setup
- Independent multi-link suspension for improved ride quality
- Trailing arms for longitudinal stability
- Lateral links for lateral stability
- Shock absorber length: 480 mm
- Spring rate: 2.5 kg/mm
- Adjustable camber for alignment customization
Shock Absorbers
- Twin-tube shock absorbers for durability
- Oil-filled design for consistent performance
- Shock diameter: 46 mm
- Rebound damping: 1,200 N·s/m
- Replaceable shock mounts for extended lifespan
Suspension Geometry
This section covers the suspension geometry of the 1997-2002 Subaru Forester, including alignment settings, ride height, and wheelbase. These details are critical for maintaining optimal handling and tire wear.
Suspension Geometry
This section covers the suspension geometry of the 1997-2002 Subaru Forester, including alignment settings, ride height, and wheelbase. These details are critical for maintaining optimal handling and tire wear.
Alignment Specifications
- Front camber: -0.5° to 0.5°
- Rear camber: -1.0° to 0.0°
- Front toe: 0.0° to 0.2°
- Rear toe: 0.1° to 0.3°
- Caster angle: 4.5° to 5.5°
Ride Height and Wheelbase
- Ride height: 200 mm (unladen)
- Wheelbase: 2,525 mm
- Track width (front): 1,470 mm
- Track width (rear): 1,480 mm
- Ground clearance: 200 mm
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Component Specifications
Overview
- Type
- Independent MacPherson strut (front), Double wishbone (rear)
- Configuration
- Front and rear independent suspension
- Platform
- Subaru Legacy platform
- Material
- Steel and aluminum components
- Location
- Front and rear axles
Dimensions
- Front Strut Length
- 22.5 inches (571.5 mm)
- Rear Shock Length
- 20.7 inches (525.8 mm)
- Spring Wire Diameter
- 0.55 inches (14 mm)
- Spring Free Length
- 14.2 inches (360.7 mm)
- Strut Tube Diameter
- 2.2 inches (55.9 mm)
- Control Arm Length
- 15.7 inches (398.8 mm)
- Bushings Outer Diameter
- 1.5 inches (38.1 mm)
Materials
- Springs
- High-tensile steel
- Struts
- Steel tube with aluminum housing
- Control Arms
- Forged steel
- Bushings
- Rubber and polyurethane
- Mounts
- Aluminum and rubber composite
Features
- Adjustability
-
- Fixed height
- Non-adjustable damping
- Pre-set spring rates
- Durability
-
- Corrosion-resistant coatings
- Reinforced components
- High-stress design
- Handling
-
- Optimized for all-wheel drive
- Balanced weight distribution
- Responsive steering feedback
- Comfort
-
- Tuned for road noise reduction
- Smooth ride over bumps
- Minimized body roll
- Maintenance
-
- Sealed components
- Long-lasting bushings
- Easy access for service
Safety Features
- Structural integrity
-
- Crash-tested components
- Reinforced mounting points
- Stability
-
- Anti-roll bars front and rear
- Optimized suspension geometry
- Reliability
-
- High-quality materials
- Factory-tested components
Comfort Features
- Noise Reduction
-
- Insulated mounts
- Rubber bushings
- Vibration Damping
-
- Tuned struts
- Soft spring rates
- Ride Quality
-
- Smooth over rough terrain
- Stable at high speeds
- Ergonomics
-
- Driver-focused tuning
- Balanced handling
Accessories
- Upgrades
-
- Performance shocks
- Lowering springs
- Polyurethane bushings
- Protection
-
- Strut tower braces
- Suspension covers
- Underbody shields
- Tools
-
- Spring compressors
- Strut removal tools
- Bushing installation kits
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
- Inspect springs for sagging
- Tighten all suspension bolts
- Check alignment settings
- Notes
- Regular inspection is crucial for maintaining handling and safety.
Warranty
- Manufacturer Warranty
- Miles: 60,000Years: 5Coverage: Defects in materials and workmanship
- Extended Warranty
- Miles: 100,000Years: 7Coverage: Additional coverage for suspension components
- Replacement Parts Warranty
- Miles: 50,000Years: 3Coverage: Replacement struts and shocks
- Labor Warranty
- Miles: 30,000Years: 2Coverage: Labor costs for suspension repairs
Production Details
- Manufacturer
- Subaru Corporation
- Manufacturing Process
-
- Precision forging
- Heat treatment
- Quality testing
- Corrosion protection
- Quality Control
- Testing: Durability tests, Vibration tests, Load capacity testsStandards: ISO 9001, JIS standards, Factory-specific protocols
- Sustainability Practices
-
- Recycled materials
- Efficient manufacturing
- Low-emission processes
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: Less than 0.1%Lead Time: 2 weeks
Service Information for suspension Service
Maintenance and service requirements specific to this component
- Inspect struts and shocks
- Check bushings and mounts
- Lubricate suspension joints
- Tighten all bolts
- Check alignment
Regular inspection is crucial for maintaining performance.
- Replace worn bushings
- Inspect springs for sagging
- Check for corrosion
- Test damping performance
Use OEM parts for replacements to ensure compatibility.
- Replace struts and shocks
- Inspect control arms
- Check suspension geometry
- Test overall system integrity
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 1997-2002 Subaru Forester is specifically designed for this model. While some components may share similarities with other Subaru models like the Impreza, compatibility is not guaranteed. Always verify part numbers and specifications before installation. Key components include struts, springs, and bushings, which are tailored to the Forester's dimensions and weight distribution.
Q2 What is the recommended maintenance schedule for the suspension system?
What is the recommended maintenance schedule for the suspension system?
Regular inspection of the suspension system is crucial. Check struts and shocks every 20,000 miles for leaks or wear. Replace worn bushings and ball joints every 50,000 miles. Lubricate suspension components annually to prevent rust and ensure smooth operation. Wheel alignment should be checked every 15,000 miles or after any suspension repair to maintain optimal handling and tire wear.
Q3 How do I replace the front struts on a 1997-2002 Subaru Forester?
How do I replace the front struts on a 1997-2002 Subaru Forester?
To replace the front struts: 1) Lift the vehicle and secure it on jack stands. 2) Remove the wheel and disconnect the sway bar link. 3) Unbolt the strut from the steering knuckle and remove the upper strut mount bolts. 4) Install the new strut and reassemble in reverse order. Ensure all bolts are torqued to factory specifications. A spring compressor tool is required to safely handle the strut assembly.
Q4 What should I do if my Forester's suspension feels unstable or noisy?
What should I do if my Forester's suspension feels unstable or noisy?
If the suspension feels unstable or noisy, inspect the struts and shocks for leaks or damage. Check bushings and ball joints for wear. Tighten all suspension bolts to the correct torque. If the issue persists, perform a wheel alignment. Common noises like clunking or squeaking often indicate worn components that need replacement. Consult a professional for a detailed diagnosis.
Q5 How can I improve the performance of my Forester's suspension?
How can I improve the performance of my Forester's suspension?
To enhance suspension performance, consider upgrading to performance struts and springs for better handling. Install polyurethane bushings for increased durability and responsiveness. Lowering springs can improve stability, but ensure they are compatible with your driving conditions. Regularly inspect and maintain components to prevent wear. Proper alignment and tire pressure are also critical for 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.
1997-2002 Subaru Forester Service Manual
Coming SoonComprehensive manual covering all aspects of the Forester's suspension system, including repair procedures and specifications.
Subaru Technical Service Bulletin: Suspension Noise
Coming SoonAddresses common suspension noise issues in the 1997-2002 Forester and provides recommended solutions.
Subaru Forester Suspension Parts Catalog
Coming SoonDetailed catalog of suspension components for the 1997-2002 Forester, including part numbers and compatibility information.
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