Audi Audi Q8 2018-present

Audi Audi Q8 2018-present Suspension Specifications

Comprehensive technical specifications and documentation for the suspension system of the 2018-Present Audi Q8, including adaptive air suspension, dynamic chassis control, and alignment settings.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the suspension specifications for the 2018-Present Audi Q8, including key features, measurements, and technical details. This section covers the advanced suspension system designed for optimal performance, comfort, and handling.

How to Use

Use the search function to locate specific suspension components or specifications by entering keywords such as 'shock absorbers,' 'spring rates,' or 'ride height.'

Navigate through the suspension documentation by selecting the relevant section from the table of contents or using the sidebar menu to jump to specific topics.

Key Specifications

Front Spring Rate

28 N/mm

Rear Spring Rate

32 N/mm

Ride Height Adjustment

90 mm (air suspension)

Turning Circle

12.5 meters

Towing Capacity

3,500 kg

Available Specifications

Front Suspension

Details about the front suspension system, including its design, components, and technical specifications.

MacPherson Strut Design

Independent MacPherson strut setup with lower control arms
Spring rate: 28 N/mm (standard configuration)
Shock absorber type: Gas-filled, twin-tube design
Ride height adjustment range: 15 mm (optional air suspension)
Anti-roll bar diameter: 28 mm

Steering and Alignment

Steering ratio: 15.5:1
Caster angle: 7.2°
Camber angle: -0.5° to -1.0° (adjustable)
Toe-in: 0.10° to 0.20°
Turning circle: 12.5 meters

Note: Alignment settings are optimized for both comfort and sporty handling.

Rear Suspension

Technical details of the rear suspension system, including its multi-link design and performance characteristics.

Multi-Link Independent Suspension

Five-link independent rear suspension design
Spring rate: 32 N/mm (standard configuration)
Shock absorber type: Monotube, adaptive damping (optional)
Ride height adjustment range: 20 mm (optional air suspension)
Anti-roll bar diameter: 22 mm

Load and Towing Capacity

Maximum rear axle load: 1,450 kg
Towing capacity (braked): 3,500 kg
Trailer nose weight limit: 140 kg
Rear suspension load compensation: Automatic leveling (optional air suspension)

Note: Air suspension is recommended for heavy towing or load-carrying scenarios.

Adaptive Air Suspension

Details about the optional adaptive air suspension system, including its features and technical specifications.

System Overview

Fully adaptive air suspension with continuous damping control
Ride height adjustment range: 90 mm (total)
Driving modes: Comfort, Auto, Dynamic, Offroad, and Lift/Lower
Automatic leveling based on speed and load
Integrated with Audi Drive Select system

Performance Specifications

Maximum ground clearance: 254 mm (Offroad mode)
Minimum ground clearance: 164 mm (Dynamic mode)
Air compressor output: 180 liters per minute
System pressure: 16 bar
Response time: < 500 ms for height adjustment

Note: The adaptive air suspension enhances both on-road comfort and off-road capability.

Wheel and Tire Specifications

Technical details of the wheel and tire setup, including sizes, pressures, and compatibility with the suspension system.

Standard Wheel and Tire Setup

Wheel size: 19-inch alloy wheels (standard)
Tire size: 255/55 R19
Tire pressure (front): 2.4 bar (35 psi)
Tire pressure (rear): 2.6 bar (38 psi)
Load index: 105 (front), 107 (rear)

Optional Wheel and Tire Packages

Available wheel sizes: 20-inch, 21-inch, and 22-inch
Tire options: All-season, summer, and performance tires
Maximum tire width: 285 mm (22-inch wheels)
Recommended tire pressure for 22-inch wheels: 2.8 bar (41 psi)
Wheel offset range: ET25 to ET45

Note: Larger wheels may require suspension recalibration for optimal performance.

Search Specifications

Search by specification name, value, or description

Component Specifications

Front Suspension

Type: Five-link independent suspension

Spring Type: Coil spring with adaptive air suspension option

Shock ABSorber Type: Electronically controlled dampers

Stabilizer Bar Diameter: 28 mm

Wheel Alignment: Camber: -0.5 to 0.5 degrees
Toe: 0.1 to 0.3 degrees
Caster: 7.0 to 7.5 degrees

Part Numbers: Strut Assembly: 8W0413031
Control Arm: 8W0407151
Stabilizer Link: 8W0411311

Rear Suspension

Type: Five-link independent suspension

Spring Type: Coil spring with adaptive air suspension option

Shock ABSorber Type: Electronically controlled dampers

Stabilizer Bar Diameter: 22 mm

Wheel Alignment: Camber: -1.0 to 0.0 degrees
Toe: 0.1 to 0.3 degrees

Part Numbers: Strut Assembly: 8W0513031
Control Arm: 8W0507151
Stabilizer Link: 8W0511311

Adaptive Air Suspension

System Type: Electronically controlled air suspension

Height Adjustment Range: 90 mm

Operating Pressure: 10-16 bar

Compressor Power: 400 W

Part Numbers: Air Spring: 8W0512115
Compressor: 8W0907657
Control Module: 8W0907373

Wheel Bearings

Front Wheel Bearing Type: Sealed roller bearing

Rear Wheel Bearing Type: Sealed roller bearing

Torque Specifications: Front Wheel Bearing Nut: 200 Nm + 180 degrees
Rear Wheel Bearing Nut: 200 Nm + 180 degrees

Part Numbers: Front Wheel Bearing: 8W0407625
Rear Wheel Bearing: 8W0507625

Suspension Bushings

Material: Rubber with optional polyurethane upgrade

Front Lower Control Arm Bushing: 75 mm diameter

Rear Lower Control Arm Bushing: 70 mm diameter

Durometer Rating: 70 Shore A

Part Numbers: Front Bushing: 8W0407699
Rear Bushing: 8W0507699

Suspension Mounts

Front Strut Mount Type: Rubber with bearing

Rear Strut Mount Type: Rubber

Torque Specifications: Front Strut Mount Nut: 60 Nm + 90 degrees
Rear Strut Mount Nut: 50 Nm + 90 degrees

Part Numbers: Front Strut Mount: 8W0412331
Rear Strut Mount: 8W0512331

Suspension Limits

Maximum Axle Load Front: 1450 kg

Maximum Axle Load Rear: 1600 kg

Maximum Ground Clearance: 254 mm

Minimum Ground Clearance: 164 mm

Maximum Speed With Lifted Suspension: 80 km/h

Diagnostic Specifications

Fault Codes

C10A400 - Suspension level control system
C10A500 - Air suspension compressor
C10A600 - Suspension height sensor

Diagnostic Tools

ODIS (Offboard Diagnostic Information System)
VAS 6154

Test Procedures

Air suspension leak test
Height sensor calibration
Compressor performance test

Maintenance Specifications

inspection Intervals

Miles: 10000, Months: 12, Items: Check suspension components for wear,Inspect air suspension for leaks,Verify suspension height calibration

Lubrication Points

Front lower control arm bushings
Rear lower control arm bushings
Stabilizer bar links

Torque Specifications: Front Strut Mount Nut: 60 Nm + 90 degrees
Rear Strut Mount Nut: 50 Nm + 90 degrees
Stabilizer Link Nut: 50 Nm + 90 degrees

Safety information

Warnings

Do not operate vehicle with suspension in lifted position above 80 km/h
Ensure proper alignment after suspension component replacement
Use only Audi-approved replacement parts

Precautions

Disconnect battery before performing suspension work
Use proper lifting equipment for suspension service
Follow torque specifications precisely

Service Information Service

Detailed service requirements and schedules for the Audi Q8 suspension system

10000

Inspect suspension components for wear
Check air suspension system for leaks
Verify suspension height calibration

Service intervals may vary based on driving conditions

50000

Replace suspension bushings if necessary
Inspect and replace wheel bearings if needed
Check and replace stabilizer bar links if worn

Perform detailed suspension inspection

Frequently Asked Questions

Find answers to common questions about torque specifications

What type of suspension system does the 2018-Present Audi Q8 use?

The 2018-Present Audi Q8 is equipped with a multi-link suspension system, both at the front and rear. The front suspension features a five-link design, while the rear suspension uses a trapezoidal-link setup. This configuration ensures optimal handling, stability, and ride comfort. Additionally, the Q8 offers an optional adaptive air suspension system with adjustable ride height and damping.

What is the ground clearance of the Audi Q8 with the adaptive air suspension?

The Audi Q8 with the adaptive air suspension system offers a variable ground clearance ranging from 180 mm (7.1 inches) in the lowest setting to 245 mm (9.6 inches) in the highest off-road setting. The system automatically adjusts the ride height based on driving conditions and speed.

How does the adaptive air suspension improve ride quality?

The adaptive air suspension in the Audi Q8 continuously adjusts damping forces at each wheel based on road conditions, vehicle speed, and driving dynamics. It provides a balance between comfort and sportiness by automatically stiffening during aggressive driving and softening for a smoother ride on uneven surfaces. The system also lowers the vehicle at high speeds to improve aerodynamics and stability.

What is the recommended tire pressure for the Audi Q8 to maintain optimal suspension performance?

The recommended tire pressure for the Audi Q8 varies depending on the load and driving conditions. For normal driving conditions, the front tires should be inflated to 36 psi (2.5 bar), and the rear tires to 39 psi (2.7 bar). For full load conditions, increase the front tire pressure to 39 psi (2.7 bar) and the rear to 44 psi (3.0 bar). Always refer to the tire pressure label on the driver's side door jamb for specific recommendations.

Can the suspension components of the Audi Q8 be serviced or replaced individually?

Yes, suspension components such as shock absorbers, control arms, and bushings can be serviced or replaced individually. However, it is recommended to use genuine Audi parts to ensure compatibility and maintain the vehicle's performance and warranty. Professional installation by an authorized Audi service center is advised to ensure proper alignment and functionality.

Factory Service Resources

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

Audi Q8 Suspension System Overview

Coming Soon

Detailed technical overview of the multi-link and adaptive air suspension systems used in the Audi Q8, including diagrams and specifications.

Adaptive Air Suspension User Guide

Coming Soon

Step-by-step guide on how to use and maintain the adaptive air suspension system in the Audi Q8, including tips for optimal performance.

Audi Q8 Suspension Maintenance Schedule

Coming Soon

Recommended maintenance intervals for the suspension system, including inspection and replacement of key components.

Tire Pressure and Suspension Performance

Coming Soon

Explains the relationship between tire pressure and suspension performance, with specific recommendations for the Audi Q8.

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