Lexus GS 1997-2004

Lexus GS 1997-2004 Suspension Specifications

Find complete suspension specifications for the 1997-2004 Lexus GS, including struts, springs, and anti-roll bars. Essential data for maintenance, repair, and upgrades. Critical for accurate diagnosis, proper part replacement, and maintaining optimal ride quality.

Updated Jan 23, 2025

1997-2004 Lexus GS Suspension Overview Specifications

This document provides a comprehensive overview of the suspension systems for the 1997-2004 Lexus GS models. It details the key components, specifications, and technical aspects of the front and rear suspension systems. Understanding this information is crucial for maintenance, repair, and performance modifications. The document uses a structured format, allowing users to easily find specific information about different suspension components and their functions. Each section includes detailed descriptions and technical points to aid in troubleshooting and understanding the intricacies of the suspension.

How to Use

Use the search bar located at the top of the page to quickly locate specific terms or components related to the suspension. Filter results by section to narrow down your search.

Navigate through the sections to explore different areas of the suspension. Each section is categorized by component (e.g., front struts, rear springs) for easy comprehension. Subsections provide more detailed information within each section.

Key Specifications

▲

Front Strut Spring Rate

100 N/mm

■

Rear Leaf Spring Rate

75 N/mm

●

Front Tire Size

225/50R16

◆

Rear Tire Size

225/55R16

★

Wheel Track (Front)

1488 mm

Available Specifications

Front Suspension

This section details the front suspension components, including struts, springs, and control arms, for the 1997-2004 Lexus GS models. It covers the role of each part in maintaining vehicle stability and handling.

Strut Assembly

Front struts utilize gas-pressurized shock absorbers for damping.
Strut assembly includes a coil spring for compression.
Coil spring rate is designed for optimal balance between handling and ride quality.
Strut assembly design includes specific mounting points for control arms and steering linkages.
Strut assembly is designed to provide a stable and responsive ride.

Control Arms

Control arms are responsible for maintaining proper wheel alignment.
Control arms are connected to the chassis to ensure precise steering input.
Control arms are designed with specific geometry for optimal handling.
Material and construction of control arms are designed for durability and strength in demanding conditions.
Control arms are crucial for the overall stability and responsiveness of the vehicle.

Rear Suspension

This section explains the rear suspension system, including the type of suspension, components, and their function. Understanding this is vital for maintaining the vehicle's handling and stability.

Rear Spring Setup

Rear suspension utilizes leaf springs for load support.
Leaf spring design provides a controlled and predictable ride.
Leaf spring assembly includes shock absorbers for damping.
Leaf springs are designed for stability and durability.
Leaf spring geometry is optimized for handling and ride quality.

Rear Shock Absorbers

Rear shock absorbers are critical for controlling the spring oscillations.
Shock absorbers also provide stability during braking and cornering.
Shock absorbers are also designed for durability and long-term performance.
Shock absorbers contribute to the comfort and control of the vehicle.

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Component Specifications

Overview

Type: Multi-link independent

Configuration: Front and Rear

Platform: GS-F

Material: Steel and Aluminum

Location: Under Vehicle

Dimensions

Front Strut Height: 12 inches (305 mm)

Rear Shock Length: 10 inches (254 mm)

Spring Rate (Front): 200 lbs/in (350 N/mm)

Spring Rate (Rear): 180 lbs/in (315 N/mm)

Wheel Travel (Front): 4 inches (102 mm)

Wheel Travel (Rear): 3.5 inches (89 mm)

Camber Angle (Front): 3 degrees

Camber Angle (Rear): 2.5 degrees

Materials

Springs: Steel

Shocks: Oil-filled dampening

Control Arms: Forged Aluminum

Bushings: Polyurethane

Stabilizer Bar: High-strength Steel

Features

Adjustments

Ride Height
Damping
Spring Stiffness (Optional)

Components

Coil Springs
Struts
Control Arms
Shocks
Bushings

Technology

Adaptive Damping System (Optional)
Progressive Rate Springs
High-Precision Steering

Safety

Enhanced Stability
Improved Handling
Reduced Roll

Performance

Precise Steering Response
Enhanced Handling
Improved Road Feel

Safety Features

Stability: Enhanced stability control

Handling: Improved cornering

Braking: Improved braking performance

Comfort Features

Ride Quality: Smooth and comfortable ride

Damping: Controlled suspension movement

Noise Reduction: Minimized road noise

Accessories

Performance Parts

Upgraded Springs
Performance Shocks
Sport Bushings

Maintenance

Suspension Fluid
Springs
Shock Absorbers

Enhancements

Sport Suspension Kit (Optional)

Maintenance

Service interval: Every 30,000 miles or 2 years

Service Items

Inspection of all suspension components
Lubrication of bushings and joints
Fluid checks and top-ups
Alignment check
Suspension geometry check
Replacement of wear items as needed

Maintenance Notes: Regular maintenance is crucial for optimal performance and safety.

Warranty

Powertrain: Miles: 60,000 miles
Years: 5 years
Coverage: Manufacturer's warranty on suspension components

Parts: Miles: 36,000 miles
Years: 3 years
Coverage: Manufacturer's warranty on suspension components

Labor: Miles: 36,000 miles
Years: 3 years
Coverage: Manufacturer's warranty on labor for diagnosis and repair

Terms: Warranty is subject to terms and conditions as specified by Lexus.

Production Details

Manufacturer: Lexus Motor Corporation

Manufacturing Process

Component Manufacturing
Assembly
Quality Control

Quality Control: inspection Points: Component checks, System testing, Road testing
Standards: Lexus Quality Standards

Sustainability Practices: Compliance with environmental regulations

Production Metrics: Average production rate and output per day

Service Information for suspension Service

Maintenance and service requirements specific to this component

30,000 miles

24 months

Inspection of all suspension components
Lubrication of bushings and joints
Fluid checks and top-ups
Alignment check

First service interval

60,000 miles

48 months

Inspection of all suspension components
Lubrication of bushings and joints
Fluid checks and top-ups
Alignment check
Suspension geometry check

Second service interval

100,000 miles

84 months

Inspection of all suspension components
Replacement of wear items as needed
Fluid checks and top-ups
Alignment check
Suspension geometry check
Control arm inspection
Shock absorber inspection

Major service interval

Frequently Asked Questions

Find answers to common questions about torque specifications

Technical specification question (e.g., compatibility)

Suspension systems for 1997-2004 Lexus GS models are generally compatible with aftermarket parts designed for this specific model year range. However, specific compatibility depends on the exact components and the specific model variant. Refer to the manufacturer's compatibility charts and your vehicle's service manual for precise information. Ensure the new parts meet the original equipment manufacturer's specifications. Differences in spring rates, damper types, and control arm designs may exist between models, affecting handling and ride quality. Consult a qualified mechanic for assistance.

Maintenance requirement question

Regular maintenance of suspension components, including shock absorbers, struts, and bushings, is crucial for optimal performance and safety. Inspect components for wear and tear every 12,000 miles or as recommended by your vehicle's service manual. Replace worn components promptly to prevent potential damage to other suspension components and safety issues. Refer to your Lexus GS service manual for a detailed maintenance schedule. Proper lubrication of suspension joints and bushings is also vital for prolonging the life of the system.

Installation or replacement question

Replacing suspension components requires proper tools and procedures. Incorrect installation can lead to handling issues and safety concerns. Consult your vehicle's service manual for detailed installation instructions and specific torque specifications. Ensure proper alignment after installation. Seek professional help if unsure about any procedure. Use the correct mounting hardware. Proper installation of parts is essential for safety and performance.

Troubleshooting question

Suspension issues can range from worn components to alignment problems. If your Lexus GS experiences unusual vibrations, noises, or handling issues, inspect the suspension components for damage, misalignment, or loose fasteners. Check for leaks in hydraulic components. If the problem persists, consult a qualified mechanic for diagnosis and repair. Refer to your service manual for troubleshooting guides.

Performance optimization question

Suspension modifications can enhance the handling and responsiveness of a 1997-2004 Lexus GS. However, modifications may affect the car's ride comfort and handling. Consider component upgrades, such as stiffer springs or performance shocks, to improve handling, but carefully research the impact on ride quality. Ensure the modifications meet the vehicle's overall performance requirements. Professional installation and alignment are crucial for safe and 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.

Lexus GS 1997-2004 Service Manual

Coming Soon

Comprehensive guide for routine maintenance, troubleshooting, and repair procedures of the Lexus GS. Covers suspension components.

Suspension Upgrade Guide

Coming Soon

Guidance on various suspension upgrades, including recommended parts for the Lexus GS.

Lexus GS Suspension Parts Catalog

Coming Soon

Detailed listing of available suspension parts for the Lexus GS, including compatibility information.

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