Lexus IS 2014-present Suspension Specifications
Explore the detailed suspension specifications for the 2014-Present Lexus IS, including front and rear suspension types, shock absorbers, spring rates, 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 2014-Present Lexus IS. It is designed to help users understand the key components, features, and performance characteristics of the suspension. Use the search and navigation instructions to quickly find relevant details. The document is divided into sections covering suspension types, components, and performance metrics.
How to Use
Use the search bar to find specific terms or components related to the suspension system. Enter keywords like 'shock absorbers' or 'spring rates' for targeted results.
Navigate through the document using the table of contents. Click on section titles to jump directly to the desired information. Use the quick reference table for key specifications.
Key Specifications
Front Suspension Type
Double-wishbone
Rear Suspension Type
Multi-link
Ride Height (Front)
140 mm
Ride Height (Rear)
145 mm
AVS Availability
Optional
Available Specifications
Suspension Types
This section covers the different suspension configurations available for the 2014-Present Lexus IS, including standard and optional setups. It explains the design and purpose of each type, helping users understand their impact on ride quality and handling.
Suspension Types
This section covers the different suspension configurations available for the 2014-Present Lexus IS, including standard and optional setups. It explains the design and purpose of each type, helping users understand their impact on ride quality and handling.
Front Suspension
- Double-wishbone independent suspension
- High-strength aluminum components for reduced weight
- Hydraulic shock absorbers with rebound springs
- Stabilizer bar for improved cornering stability
- Optional adaptive variable suspension (AVS) for dynamic damping control
Rear Suspension
- Multi-link independent suspension
- Lightweight forged aluminum arms
- Coil springs with monotube shock absorbers
- Stabilizer bar for enhanced lateral stability
- Optional AVS for customizable ride comfort
Suspension Components
This section details the key components of the Lexus IS suspension system, including materials, design features, and their roles in ensuring optimal performance and durability.
Suspension Components
This section details the key components of the Lexus IS suspension system, including materials, design features, and their roles in ensuring optimal performance and durability.
Shock Absorbers
- Monotube design for consistent damping performance
- High-pressure gas-filled for reduced fade
- Sealed construction for long-term reliability
- Optional AVS with electronically controlled damping
Springs
- Coil springs with progressive rate design
- High-tensile steel for durability
- Optimized spring rates for balanced ride and handling
- Lightweight construction for improved efficiency
Stabilizer Bars
- Hollow design for reduced weight
- High-strength steel for torsional rigidity
- Front and rear bars for balanced roll control
- Bushings for noise and vibration reduction
Performance Metrics
This section provides technical details about the suspension's performance, including ride height, spring rates, and damping characteristics. It highlights how these metrics contribute to the vehicle's handling and comfort.
Performance Metrics
This section provides technical details about the suspension's performance, including ride height, spring rates, and damping characteristics. It highlights how these metrics contribute to the vehicle's handling and comfort.
Ride Height
- Standard ride height: 140 mm (front), 145 mm (rear)
- Lowered ride height with F Sport package
- Optimized for aerodynamics and ground clearance
- Consistent across all trims
Spring Rates
- Front spring rate: 22 N/mm
- Rear spring rate: 25 N/mm
- Stiffer rates for F Sport models
- Balanced for comfort and sporty handling
Damping Characteristics
- Standard damping for smooth ride quality
- AVS provides adjustable damping in 650 steps
- Sport mode enhances damping for aggressive driving
- Eco mode prioritizes comfort and efficiency
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Component Specifications
Overview
- Type
- Independent MacPherson strut (front), Independent multi-link (rear)
- Configuration
- Front and rear independent suspension
- Platform
- Lexus N Platform
- Material
- High-strength steel and aluminum components
- Location
- Front and rear axles
Dimensions
- Front Strut Length
- 22.5 inches (571.5 mm)
- Rear Shock ABSorber Length
- 20.8 inches (528.3 mm)
- Front Spring Rate
- 180 lb/in (31.5 N/mm)
- Rear Spring Rate
- 160 lb/in (28 N/mm)
- Front Sway Bar Diameter
- 1.1 inches (28 mm)
- Rear Sway Bar Diameter
- 0.9 inches (23 mm)
- Front Track Width
- 61.8 inches (1570 mm)
- Rear Track Width
- 61.6 inches (1565 mm)
Materials
- Strut Body
- High-strength steel
- Control Arms
- Forged aluminum
- Springs
- Chromium-silicon alloy steel
- Bushings
- Synthetic rubber with polyurethane coating
- Sway Bar
- Hollow steel tubing
Features
- Damping Control
-
- Adaptive Variable Suspension (AVS) available
- Electronic damping force adjustment
- Multiple drive mode settings
- Stability
-
- Integrated Vehicle Dynamics Management (VDIM)
- Electronic Stability Control (ESC)
- Traction Control System (TCS)
- Adjustability
-
- Height-adjustable suspension (F Sport models)
- Ride height sensors
- Dynamic damper adjustment
- Durability
-
- Corrosion-resistant coatings
- Sealed ball joints
- Reinforced mounting points
- Performance
-
- Sport-tuned suspension (F Sport models)
- Reduced unsprung weight
- Enhanced cornering stability
Safety Features
- Crash Protection
-
- Energy-absorbing strut mounts
- Reinforced subframe design
- Stability Control
-
- Anti-lock Braking System (ABS)
- Brake Assist (BA)
- Structural integrity
-
- High-strength steel components
- Impact-resistant bushings
Comfort Features
- Ride Quality
-
- Progressive-rate springs
- Hydraulic rebound stops
- Noise Reduction
-
- Insulated strut mounts
- Vibration-damping bushings
- Adjustability
-
- Driver-selectable suspension modes
- Comfort and Sport settings
- Temperature Resistance
-
- Heat-resistant seals
- Thermal-stable materials
Accessories
- Upgrades
-
- Performance coilovers
- Adjustable sway bars
- Strut tower braces
- Maintenance
-
- Replacement bushings
- Shock absorber kits
- Suspension alignment tools
- Protection
-
- Suspension covers
- Rust inhibitors
- Protective boots
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect suspension components for wear
- Check alignment and adjust if necessary
- Lubricate bushings and joints
- Inspect shock absorbers for leaks
- Tighten all suspension bolts
- Maintenance Notes
- Regular alignment checks recommended for optimal performance.
Warranty
- Basic Warranty
- Miles: 50,000Years: 4Coverage: Covers defects in materials and workmanship
- Powertrain Warranty
- Miles: 70,000Years: 6Coverage: Includes suspension components
- Corrosion Warranty
- Miles: UnlimitedYears: 6Coverage: Covers rust-through corrosion
- Extended Warranty
- Miles: 100,000Years: 8Coverage: Optional extended coverage for suspension
Production Details
- Manufacturer
- Lexus Division, Toyota Motor Corporation
- Manufacturing Process
-
- Precision forging for control arms
- Robotic welding for subframes
- Automated assembly for struts
- Quality Control
- inspection: 100% component testingTolerances: ±0.1 mm for critical dimensionsDurability Testing: Simulated 150,000-mile road tests
- Sustainability Practices
-
- Recycled materials in bushings
- Low-emission coating processes
- Energy-efficient manufacturing
- Production Metrics
- Annual Output: 150,000 unitsDefect Rate: <0.01%Lead Time: 2 weeks
Service Information for suspension Service
Maintenance and service requirements specific to this component
- Inspect suspension bushings and mounts
- Check shock absorbers for leaks
- Verify alignment settings
- Lubricate all suspension joints
- Tighten suspension bolts to specification
Alignment should be checked after any suspension work
- Replace worn bushings
- Inspect and replace sway bar links if necessary
- Check strut mounts for wear
- Test suspension damping performance
- Verify ride height
Use OEM parts for replacements to maintain performance
- Replace shock absorbers
- Inspect and replace control arms if necessary
- Check subframe for cracks or damage
- Perform full suspension alignment
- Test electronic suspension components
Major service may require specialized tools and equipment
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What suspension systems are compatible with the 2014-Present Lexus IS?
What suspension systems are compatible with the 2014-Present Lexus IS?
The 2014-Present Lexus IS models are compatible with a variety of suspension systems, including factory OEM parts and aftermarket options. OEM systems ensure precise fitment and maintain the vehicle's original ride quality. Aftermarket options, such as coilovers or air suspension kits, offer enhanced performance and adjustability. Always verify compatibility by checking the manufacturer's specifications for your specific Lexus IS model year and trim level.
Q2 What are the maintenance requirements for the Lexus IS suspension?
What are the maintenance requirements for the Lexus IS suspension?
The suspension system of the Lexus IS requires regular inspections every 12,000-15,000 miles or annually. Check for worn-out components like bushings, shocks, and struts. Lubricate moving parts as needed and ensure proper wheel alignment. Replace worn components promptly to avoid damage to other parts. Follow the maintenance schedule outlined in your owner’s manual for specific intervals and procedures.
Q3 How do I replace the suspension components on a Lexus IS?
How do I replace the suspension components on a Lexus IS?
To replace suspension components on a Lexus IS, first, safely lift the vehicle using a jack and secure it with stands. Remove the wheels and disconnect the old suspension parts, such as struts or shocks. Install the new components, ensuring proper alignment and torque specifications. Reassemble the wheels and lower the vehicle. Always refer to the service manual for detailed step-by-step instructions.
Q4 What should I do if my Lexus IS suspension is making noise?
What should I do if my Lexus IS suspension is making noise?
If your Lexus IS suspension is making noise, inspect for loose or worn components like bushings, struts, or sway bar links. Tighten any loose bolts and replace damaged parts. Check for leaks in the shock absorbers. If the issue persists, consult a professional technician for a thorough diagnostic. Regular maintenance can prevent such issues.
Q5 How can I optimize the performance of my Lexus IS suspension?
How can I optimize the performance of my Lexus IS suspension?
To optimize your Lexus IS suspension, consider upgrading to performance-oriented components like coilovers or adjustable shocks. Ensure proper wheel alignment and tire pressure. Regularly inspect and maintain suspension parts to prevent wear. For track or spirited driving, adjust damping settings to suit your driving style and conditions.
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 IS Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 2014-Present Lexus IS suspension system.
Technical Service Bulletin: Suspension Updates
Coming SoonLatest updates and fixes for suspension-related issues in the Lexus IS models from 2014 to present.
Lexus IS Suspension Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket suspension parts compatible with the 2014-Present Lexus IS.
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