Infiniti G20 1999-2002 Suspension Specifications
Explore detailed suspension specifications for the 1999-2002 Infiniti G20, including torque settings, alignment data, and component compatibility. Ideal for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and information about the suspension system of the 1999-2002 Infiniti G20. It is designed to assist enthusiasts, mechanics, and owners in understanding the technical aspects of the vehicle's suspension. The document is divided into sections covering front suspension, rear suspension, and key components. Use the search and navigation instructions to quickly find the information you need.
How to Use
Use the search functionality to locate specific terms or components within the document. Enter keywords such as 'front suspension' or 'shock absorbers' to quickly jump to relevant sections.
Navigate through the document by scrolling through sections or clicking on section titles in the table of contents. Each section is organized into subsections for easy access to detailed information.
Key Specifications
Front Sway Bar Diameter
22 mm
Rear Sway Bar Diameter
18 mm
Front Suspension Type
MacPherson Strut
Rear Suspension Type
Multi-Link
Shock Absorber Type
Hydraulic Twin-Tube
Available Specifications
Front Suspension
The front suspension of the 1999-2002 Infiniti G20 is designed to provide a balance of comfort and performance. This section covers the key components and their specifications, including the strut assembly, control arms, and sway bar.
Front Suspension
The front suspension of the 1999-2002 Infiniti G20 is designed to provide a balance of comfort and performance. This section covers the key components and their specifications, including the strut assembly, control arms, and sway bar.
Strut Assembly
- MacPherson strut design
- Coil spring integrated with shock absorber
- Upper strut mount with rubber bushing
- Lower strut mount bolted to steering knuckle
- Designed for optimal ride comfort
- Replaceable strut cartridge
Control Arms
- Forged steel construction
- Ball joint integrated into lower control arm
- Rubber bushings for vibration damping
- Replaceable ball joint for maintenance
- Designed for durability and precision
Sway Bar
- Solid steel construction
- Diameter: 22 mm
- Linked to lower control arms via end links
- Reduces body roll during cornering
- Replaceable bushings for maintenance
Rear Suspension
The rear suspension system of the Infiniti G20 is engineered to ensure stability and handling. This section details the multi-link suspension setup, including the trailing arms, lower links, and shock absorbers.
Rear Suspension
The rear suspension system of the Infiniti G20 is engineered to ensure stability and handling. This section details the multi-link suspension setup, including the trailing arms, lower links, and shock absorbers.
Multi-Link Setup
- Independent multi-link design
- Trailing arms for longitudinal stability
- Lower links for lateral control
- Rubber bushings for noise reduction
- Designed for precise wheel alignment
Shock Absorbers
- Hydraulic twin-tube design
- Mounted vertically to trailing arms
- Replaceable design for maintenance
- Designed for smooth ride quality
- Integrated coil springs
Sway Bar
- Solid steel construction
- Diameter: 18 mm
- Linked to rear suspension arms
- Reduces body roll during cornering
- Replaceable bushings for maintenance
Suspension Components
This section provides details on the key suspension components of the Infiniti G20, including bushings, ball joints, and mounting hardware. Understanding these components is essential for maintenance and repair.
Suspension Components
This section provides details on the key suspension components of the Infiniti G20, including bushings, ball joints, and mounting hardware. Understanding these components is essential for maintenance and repair.
Bushings
- Rubber bushings for noise and vibration damping
- Replaceable design for maintenance
- Used in control arms and sway bar links
- Designed for long-term durability
- Polyurethane upgrades available
Ball Joints
- Sealed design for reduced maintenance
- Integrated into control arms
- Replaceable for extended suspension life
- Designed for precise steering and handling
- Lubrication-free operation
Mounting Hardware
- High-strength steel bolts and nuts
- Designed for secure attachment of components
- Replaceable for maintenance and repair
- Corrosion-resistant coating
- Torque specifications provided in service manual
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Component Specifications
Overview
- Type
- Independent MacPherson Strut (Front), Multi-Link (Rear)
- Configuration
- Front and Rear Independent Suspension
- Platform
- FM Platform
- Material
- High-Strength Steel
- 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
- 0.63 inches (16 mm)
- Spring Free Length
- 14.2 inches (360.7 mm)
- Anti Roll Bar Diameter Front
- 1.1 inches (28 mm)
- Anti Roll Bar Diameter Rear
- 0.9 inches (23 mm)
- Bushing Outer Diameter
- 2.5 inches (63.5 mm)
Materials
- Springs
- Chromium-Silicon Alloy Steel
- Shock ABSorbers
- High-Strength Steel with Hydraulic Fluid
- Control Arms
- Forged Aluminum
- Bushings
- Polyurethane
- Anti Roll Bar
- High-Strength Steel
Features
- Performance
-
- Optimized for handling and stability
- Precision-engineered for sporty driving
- Reduced body roll
- Durability
-
- Corrosion-resistant materials
- High-strength components
- Long-lasting bushings
- Adjustability
-
- Factory-tuned damping
- Optional adjustable coilovers
- Customizable alignment settings
- Ride Quality
-
- Smooth ride over uneven surfaces
- Minimized road noise
- Balanced comfort and performance
- integration
-
- Compatible with OEM components
- Seamless integration with chassis
- Supports advanced traction control
Safety Features
- Structural integrity
-
- High-strength steel construction
- Crash-tested components
- Stability
-
- Anti-roll bars for reduced sway
- Precision alignment for predictable handling
- Redundancy
-
- Fail-safe shock absorbers
- Backup bushings for added safety
Comfort Features
- Noise Reduction
-
- Isolated bushings
- Anti-vibration mounts
- Smoothness
-
- Hydraulic damping
- Progressive-rate springs
- Adjustability
-
- Customizable ride height
- Optional comfort-tuned shocks
- Climate Resistance
-
- Weather-resistant materials
- Temperature-stable components
Accessories
- Upgrades
-
- Adjustable coilovers
- Performance sway bars
- Polyurethane bushings
- Maintenance
-
- Replacement shocks
- Alignment kits
- Bushing press tools
- Protection
-
- Rust-proof coatings
- Dust boots
- Bump stops
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Inspect shocks and struts
- Check bushings for wear
- Align suspension components
- Lubricate moving parts
- Replace worn components
- Maintenance Notes
- Ensure proper alignment after any suspension work.
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Defects in materials and workmanship
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Suspension components
- Corrosion Warranty
- Miles: UnlimitedYears: 7Coverage: Rust perforation
- Extended Warranty
- Miles: 100,000Years: 10Coverage: Optional suspension coverage
Production Details
- Manufacturer
- Infiniti
- Manufacturing Process
-
- Precision forging
- CNC machining
- Heat treatment
- Quality Control
- Testing: Durability testing, Crash testing, Alignment verificationStandards: ISO 9001 Certified
- Sustainability Practices
-
- Recyclable materials
- Energy-efficient production
- Waste reduction initiatives
- Production Metrics
- Annual Production: 50,000 unitsDefect Rate: 0.1%Lead Time: 2 weeks
Service Information for suspension Service
Maintenance and service requirements specific to this component
- Inspect shocks and struts
- Check bushings for wear
- Align suspension components
- Lubricate moving parts
Ensure proper alignment after any suspension work.
- Replace worn bushings
- Inspect anti-roll bars
- Check spring condition
- Test shock absorber performance
Use OEM parts for replacements.
- Overhaul suspension system
- Replace shocks and struts
- Inspect and replace control arms
- Verify alignment and handling
Major service may require specialized tools.
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the compatibility requirements for suspension parts on a 1999-2002 Infiniti G20?
What are the compatibility requirements for suspension parts on a 1999-2002 Infiniti G20?
The suspension system of the 1999-2002 Infiniti G20 is compatible with specific OEM and aftermarket parts designed for this model. Key components include struts, shocks, springs, and control arms. Ensure parts match the vehicle's trim level and engine specifications. For example, front struts should have a bolt pattern of 4x114.3mm and a spring rate of 150-200 lbs/in for optimal performance. Always verify compatibility using the vehicle's VIN or a parts compatibility chart.
Q2 What maintenance is required for the suspension system of a 1999-2002 Infiniti G20?
What maintenance is required for the suspension system of a 1999-2002 Infiniti G20?
Regular maintenance for the suspension system includes inspecting struts, shocks, and springs for wear every 12,000 miles or annually. Check for leaks, cracks, or sagging components. Lubricate bushings and ball joints every 15,000 miles. Wheel alignment should be checked every 30,000 miles or after replacing suspension parts. Replace worn components promptly to avoid uneven tire wear and handling issues. Follow the manufacturer’s maintenance schedule for specific intervals.
Q3 How do I replace the front struts on a 1999-2002 Infiniti G20?
How do I replace the front struts on a 1999-2002 Infiniti G20?
To replace the front struts, first, safely lift the vehicle and remove the wheel. Disconnect the sway bar link and brake line bracket. Use a spring compressor to safely remove the strut assembly. Unbolt the strut from the steering knuckle and remove it from the vehicle. Install the new strut in reverse order, ensuring all bolts are torqued to specifications: 47-61 ft-lbs for the strut-to-knuckle bolts and 14-16 ft-lbs for the sway bar link. Reinstall the wheel and perform a wheel alignment.
Q4 What are common suspension issues and how can I troubleshoot them?
What are common suspension issues and how can I troubleshoot them?
Common suspension issues include knocking noises, uneven tire wear, and poor handling. Knocking noises may indicate worn strut mounts or loose components. Uneven tire wear often results from misalignment or worn shocks. Poor handling can be caused by sagging springs or damaged control arms. To troubleshoot, inspect suspension components for wear, check tire pressure, and perform a visual alignment test. Use a diagnostic tool to identify specific faults.
Q5 How can I optimize the suspension performance of my 1999-2002 Infiniti G20?
How can I optimize the suspension performance of my 1999-2002 Infiniti G20?
To optimize suspension performance, upgrade to high-performance struts and springs with adjustable damping. Ensure proper wheel alignment and balance. Consider installing polyurethane bushings for improved durability and responsiveness. Lowering springs can enhance handling but may require additional adjustments. Regularly inspect and maintain suspension components to ensure peak performance. Avoid overloading the vehicle, as excess weight can strain the suspension system.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1999-2002 Infiniti G20 Service Manual
Coming SoonThis comprehensive manual provides detailed repair and maintenance instructions for the suspension system and other components.
Technical Service Bulletin: Suspension Noise
Coming SoonThis bulletin addresses common suspension noise issues and provides recommended solutions for the 1999-2002 Infiniti G20.
Infiniti G20 Suspension Parts Catalog
Coming SoonThis catalog lists all OEM and compatible aftermarket suspension parts for the 1999-2002 Infiniti G20.
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