Infiniti QX56 2011-2013 Suspension Specifications
Infiniti QX56 2011-2013

Infiniti QX56 2011-2013 Suspension Specifications

Explore the comprehensive suspension specifications for the 2011-2013 Infiniti QX56. Learn about front and rear suspension types, shock absorbers, spring rates, and anti-roll bars. Perfect for maintenance, repairs, and performance upgrades.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the suspension system of the 2011-2013 Infiniti QX56. It is designed for automotive enthusiasts, mechanics, and owners who need accurate data for maintenance, upgrades, or general knowledge. The document is organized into sections covering key aspects of the suspension, including front and rear systems, components, and performance. Use the search and navigation instructions to quickly locate specific details.

How to Use

Use the search bar at the top to enter keywords like 'front suspension' or 'shock absorbers'. This will highlight relevant sections and subsections for easy access.

Scroll through the document or use the table of contents to jump to specific sections. Each section is clearly labeled and contains subsections with detailed technical points.

Key Specifications

Front Suspension Type

Double-Wishbone

Rear Suspension Type

Multi-Link

Shock Absorbers

Hydraulic

Towing Capacity

8,500 lbs

Stabilizer Bars

Front and Rear

Available Specifications

Front Suspension

The front suspension of the 2011-2013 Infiniti QX56 is designed for optimal handling and comfort. It features an independent double-wishbone setup with advanced components to ensure smooth ride quality and precise steering response. This section covers the key components and their specifications.

Double-Wishbone Design
  • Independent double-wishbone setup for improved handling
  • Upper and lower control arms made of durable steel
  • Hydraulic shock absorbers for enhanced ride comfort
  • Coil springs with progressive rate for load adaptability
  • Stabilizer bar to reduce body roll during cornering
  • Rubber bushings for noise and vibration reduction
Steering and Alignment
  • Rack-and-pinion steering system for precise control
  • Power steering pump for reduced driver effort
  • Adjustable camber and caster angles for alignment customization
  • Tie rods and ball joints for smooth steering response

Rear Suspension

The rear suspension system of the Infiniti QX56 is built to support heavy loads while maintaining ride comfort. It utilizes a multi-link design with robust components to ensure stability and durability. This section delves into the specifics of the rear suspension setup.

Multi-Link Configuration
  • Independent multi-link suspension for better load handling
  • Trailing arms and lateral links for improved stability
  • Hydraulic shock absorbers for smooth ride quality
  • Coil springs with high load capacity
  • Stabilizer bar to minimize body roll
  • Rubber bushings for noise isolation
Load and Towing Features
  • Enhanced suspension for towing up to 8,500 lbs
  • Self-leveling rear suspension for load adjustment
  • Heavy-duty components for increased durability
  • Integrated trailer sway control system

Suspension Performance

The suspension system of the Infiniti QX56 is engineered to deliver a balance of comfort and performance. This section highlights the key performance aspects, including ride quality, handling, and stability.

Ride Quality
  • Smooth ride over rough and uneven surfaces
  • Advanced shock absorbers for vibration damping
  • Noise-reducing components for a quiet cabin
  • Comfortable seating position due to minimal body movement
Handling and Stability
  • Precise steering response for confident driving
  • Reduced body roll during sharp turns
  • Stable ride at high speeds
  • Improved traction on wet or slippery roads

Component Specifications

Overview

Type
Independent double-wishbone front and rear
Configuration
Front and rear coil springs with hydraulic shock absorbers
Platform
Body-on-frame SUV
Material
High-strength steel and aluminum components
Location
Front and rear axles

Dimensions

Front Track Width
66.9 in (1699 mm)
Rear Track Width
66.9 in (1699 mm)
Spring Length Front
14.5 in (368 mm)
Spring Length Rear
15.2 in (386 mm)
Shock ABSorber Length Front
22.8 in (579 mm)
Shock ABSorber Length Rear
23.5 in (597 mm)
Suspension Travel Front
7.1 in (180 mm)
Suspension Travel Rear
7.5 in (190 mm)

Materials

Control Arms
Forged aluminum
Coil Springs
High-tensile steel
Shock ABSorbers
Steel with hydraulic fluid
Bushings
Polyurethane and rubber composite
Stabilizer Bar
Hollow steel

Features

Adjustability
  • Hydraulic damping adjustment
  • Ride height adjustment
  • Stabilizer bar stiffness control
Performance
  • Enhanced cornering stability
  • Improved load handling
  • Reduced body roll
Technology
  • Hydraulic rebound control
  • Adaptive damping system
  • Electronic stability control integration
Durability
  • Corrosion-resistant coating
  • Reinforced mounting points
  • Sealed bearings
Comfort
  • Noise-reducing bushings
  • Smooth ride quality
  • Vibration dampening

Safety Features

Structural integrity
  • High-strength steel components
  • Reinforced mounting brackets
Control
  • Electronic stability control integration
  • Anti-roll bar system
Emergency
  • Fail-safe hydraulic system
  • Redundant mounting points

Comfort Features

Ride Quality
  • Hydraulic damping
  • Noise-reducing bushings
Adjustability
  • Adaptive damping system
  • Ride height adjustment
Vibration Control
  • Isolated mounting points
  • Vibration dampening materials
Noise Reduction
  • Sealed bearings
  • Acoustic insulation

Accessories

Upgrades
  • Performance shock absorbers
  • Adjustable coilover kits
  • Heavy-duty stabilizer bars
Maintenance
  • Replacement bushings
  • Shock absorber rebuild kits
  • Suspension alignment tools
Protection
  • Corrosion-resistant coatings
  • Suspension covers
  • Underbody protection plates

Maintenance

Service interval
Every 30,000 miles or 24 months
Service Items
  • Inspect shock absorbers for leaks
  • Check bushings for wear
  • Lubricate suspension components
  • Inspect control arms for damage
  • Check alignment settings
  • Inspect stabilizer bar links
Maintenance Notes
Regular inspection and lubrication are critical for longevity

Warranty

Basic
Miles: 36,000
Years: 3
Coverage: Defects in materials and workmanship
Powertrain
Miles: 60,000
Years: 5
Coverage: Suspension components included
Corrosion
Miles: Unlimited
Years: 7
Coverage: Perforation from corrosion
Emissions
Miles: 80,000
Years: 8
Coverage: Suspension-related emissions components

Production Details

Manufacturer
Infiniti
Manufacturing Process
  • Precision forging of control arms
  • Robotic welding of suspension components
  • Automated assembly of shock absorbers
Quality Control
inspection: 100% component inspection
Testing: Dynamic load testing
Standards: ISO 9001 certified
Sustainability
  • Recycled materials in bushings
  • Eco-friendly coatings
  • Energy-efficient manufacturing
Production Metrics
Units Per Day: 500
Defect Rate: 0.01%
Lead Time: 2 weeks

Service Information for suspension Service

Maintenance and service requirements specific to this component

30,000
24
  • Inspect shock absorbers
  • Check bushings and mounts
  • Lubricate suspension joints
  • Inspect stabilizer bar links
  • Check alignment settings

Ensure all components are properly lubricated and inspected for wear

60,000
48
  • Replace worn bushings
  • Inspect control arms
  • Check shock absorber performance
  • Inspect suspension mounting points
  • Test electronic stability control integration

Use torque wrenches for proper tightening of suspension components

100,000
84
  • Replace shock absorbers
  • Inspect and replace coil springs if needed
  • Check and replace stabilizer bar links
  • Perform full suspension alignment
  • Test ride height adjustment system

Critical to replace worn components to maintain safety and performance

Frequently Asked Questions

Find answers to common questions about torque specifications

Q1

Is the suspension system compatible with other Infiniti models?

The suspension system for the 2011-2013 Infiniti QX56 is specifically designed for this model. While some components may share similarities with other Infiniti vehicles, compatibility cannot be guaranteed. It is recommended to consult the vehicle's service manual or a certified technician to ensure proper fitment. Key specifications include a double-wishbone front suspension and a multi-link rear suspension, tailored for the QX56's size and weight.

Q2

What maintenance is required for the QX56 suspension system?

Regular maintenance is essential for optimal suspension performance. Inspect the suspension components every 15,000 miles for wear or damage. Replace shock absorbers every 50,000 miles or if signs of leakage or reduced damping are observed. Lubricate bushings and joints during routine service. Additionally, ensure proper wheel alignment and tire rotation to prevent uneven wear on suspension parts. Always refer to the manufacturer's maintenance schedule for detailed intervals.

Q3

How do I replace the front suspension struts on a 2011-2013 QX56?

To replace the front suspension struts, first, secure the vehicle on a lift and remove the wheels. Disconnect the sway bar link and lower control arm from the strut. Unbolt the strut assembly from the steering knuckle and remove it from the vehicle. Install the new strut by reversing the removal process, ensuring all bolts are torqued to the manufacturer's specifications. Perform a wheel alignment after replacement to ensure proper handling.

Q4

What are common suspension issues in the QX56 and how can I troubleshoot them?

Common suspension issues include uneven tire wear, noises over bumps, and a rough ride. To troubleshoot, inspect the shock absorbers for leaks or damage, check the bushings for wear, and examine the ball joints for looseness. If the vehicle leans to one side, the springs may be sagging. Use a jack to test suspension movement and listen for unusual sounds. Replace any worn or damaged components and ensure proper alignment.

Q5

How can I optimize the suspension performance of my QX56?

To optimize suspension performance, consider upgrading to high-performance shock absorbers and springs for better handling and ride comfort. Regularly check and maintain tire pressure to ensure even weight distribution. Install polyurethane bushings for increased durability and reduced play. Additionally, ensure the suspension is properly aligned and balanced. Avoid overloading the vehicle, as excessive weight can strain the suspension components.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

2011-2013 Infiniti QX56 Service Manual

Coming Soon

Comprehensive guide covering maintenance, repair, and specifications for the 2011-2013 Infiniti QX56 suspension system.

Infiniti QX56 Suspension Technical Bulletin

Coming Soon

Technical Service Bulletin addressing common suspension issues and recommended solutions for the 2011-2013 QX56.

Infiniti QX56 Parts and Accessories Catalog

Coming Soon

Catalog listing OEM and aftermarket suspension parts and accessories for the 2011-2013 Infiniti QX56.

About the Author

Expert automotive knowledge and experience

Alan Montanye - Automotive Technical Specialist
ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

15+ Years
Experience
500+ Guides
Guides
50+ Makes
Vehicles
1000+ Solutions
Solutions

Diagnostic

Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.

Repair

Expert in both traditional mechanical repairs and modern vehicle systems.

Additional Expertise

Documentation

Created over 500 detailed repair guides and technical documents.

Training

Conducted technical training sessions and contributed to repair databases.

Certifications & Research

Certifications

  • ASE Master Technician Certification
  • Advanced Diagnostic Specialist
  • Hybrid/Electric Vehicle Systems
  • Performance Tuning Expert

Research & Community

Actively researches emerging technologies and contributes to automotive forums.

Legal Disclaimer

Important information about using this content

Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.

General Information
The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.
Warranty & Liability

The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.

We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.

Technical Information
  • All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
  • Vehicle specifications and procedures may vary by model year, trim level, and region.
  • Always follow the manufacturer's recommended procedures and safety precautions.
  • Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
  • If you're unsure about any procedure, consult a qualified professional mechanic.
Intellectual Property
All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.

© 2025 Infiniti Specs. All rights reserved.