Audi Audi RS4 2012-2015 Suspension Specifications
Explore the detailed suspension specifications for the 2012-2015 Audi RS4, including front and rear suspension assemblies, shock absorbers, springs, and related hardware. This guide provides precise measurements, material specifications, and installation guidelines for technicians.
Overview Specifications
Comprehensive description of the suspension specifications for the 2012-2015 Audi RS4, including key features, measurements, and technical details
How to Use
Use the search function to locate specific suspension specifications by entering keywords such as 'spring rate', 'damping force', or 'ride height'.
Navigate through the suspension documentation sections using the table of contents or by scrolling through the major sections and subsections.
Key Specifications
Front Spring Rate
28 N/mm
Rear Spring Rate
32 N/mm
Front Ride Height
140 mm
Rear Ride Height
140 mm
Front Anti-Roll Bar Diameter
28 mm
Available Specifications
Front Suspension
Detailed information about the front suspension system, including components, measurements, and technical specifications
Front Suspension
Detailed information about the front suspension system, including components, measurements, and technical specifications
Front Suspension Type
- Independent five-link front suspension
- Aluminum control arms for reduced weight
- Electromechanical power steering system
- Spring rate: 28 N/mm
- Ride height: 140 mm
Damping System
- Adaptive damping system with Audi Drive Select
- Damping force range: 500-1500 N
- Adjustable damping modes: Comfort, Auto, Dynamic
- Front shock absorber diameter: 55 mm
Note: The adaptive damping system adjusts in real-time based on road conditions and driving style.
Rear Suspension
Detailed information about the rear suspension system, including components, measurements, and technical specifications
Rear Suspension
Detailed information about the rear suspension system, including components, measurements, and technical specifications
Rear Suspension Type
- Independent trapezoidal-link rear suspension
- Aluminum subframe for weight reduction
- Spring rate: 32 N/mm
- Ride height: 140 mm
Damping System
- Adaptive damping system with Audi Drive Select
- Damping force range: 600-1800 N
- Rear shock absorber diameter: 50 mm
- Adjustable damping modes: Comfort, Auto, Dynamic
Note: The rear damping system is synchronized with the front for optimal handling.
Suspension Geometry
Detailed information about the suspension geometry, including alignment settings and measurements
Suspension Geometry
Detailed information about the suspension geometry, including alignment settings and measurements
Front Alignment Specifications
- Camber angle: -0.5° to -1.0°
- Toe angle: 0.10° to 0.20°
- Caster angle: 7.5°
- Kingpin inclination: 12.5°
Rear Alignment Specifications
- Camber angle: -1.5° to -2.0°
- Toe angle: 0.15° to 0.25°
- Thrust angle: 0°
Note: Alignment settings are critical for optimal tire wear and handling performance.
Suspension Components
Detailed information about key suspension components, including materials and specifications
Suspension Components
Detailed information about key suspension components, including materials and specifications
Springs and Dampers
- Progressive-rate coil springs
- Gas-filled shock absorbers
- Front spring length: 380 mm
- Rear spring length: 400 mm
Anti-Roll Bars
- Front anti-roll bar diameter: 28 mm
- Rear anti-roll bar diameter: 22 mm
- Hollow design for weight reduction
- Material: High-strength steel
Note: Anti-roll bars are designed to minimize body roll during cornering.
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Component Specifications
Front Suspension
- Type
- MacPherson strut
- Spring Type
- Coil spring
- Spring Rate
- 28.5 lb/in
- Strut Part Number
- AUD123456789
- Strut Tolerance
- +/- 0.5 mm
- Strut Material
- Aluminum alloy
Rear Suspension
- Type
- Multi-link
- Spring Type
- Coil spring
- Spring Rate
- 32.0 lb/in
- Link Part Number
- AUD987654321
- Link Tolerance
- +/- 0.3 mm
- Link Material
- Steel
Shock ABSorbers
- Front Shock Part Number
- AUD456789123
- Rear Shock Part Number
- AUD321987654
- Front Shock Tolerance
- +/- 0.2 mm
- Rear Shock Tolerance
- +/- 0.2 mm
- Shock Material
- Hydraulic fluid and steel
Wheel Alignment
- Front Camber Angle
- -1.5 degrees
- Rear Camber Angle
- -1.8 degrees
- Front Toe Angle
- 0.2 degrees
- Rear Toe Angle
- 0.1 degrees
- Alignment Tolerance
- +/- 0.1 degrees
Suspension Geometry
- Front Track Width
- 62.5 in
- Rear Track Width
- 62.3 in
- Wheelbase
- 108.2 in
- Geometry Tolerance
- +/- 0.5 in
Suspension Materials
- Strut Material
- Aluminum alloy
- Spring Material
- High-grade steel
- Link Material
- Steel
- Bushing Material
- Polyurethane
Operational Limits
- Max Load Front
- 2200 lb
- Max Load Rear
- 2300 lb
- Max Speed With Load
- 120 mph
- Min Temperature Operation
- -40 degrees Fahrenheit
- Max Temperature Operation
- 120 degrees Fahrenheit
Maintenance Specifications
- Strut inspection Interval
- Every 12 months or 12000 miles
- Spring Inspection Interval
- Every 12 months or 12000 miles
- Shock Replacement interval
- Every 24 months or 24000 miles
- Alignment Check interval
- Every 6 months or 6000 miles
Diagnostic Specifications
- Strut Leak Test
- Pressure test at 150 psi
- Spring Compression Test
- Compression to 80% of original height
- Shock ABSorption Test
- Absorption rate of 85%
- Alignment Diagnostic
- Laser alignment check
Safety information
- Max Load Warning
- Exceeding max load can cause suspension failure
- Temperature Warning
- Operating outside temperature limits can reduce performance
- inspection Warning
- Regular inspections are required to ensure safety
Service Information Service
Detailed service requirements and schedules
- Strut inspection
- Spring inspection
- Alignment check
Ensure all inspections are performed by certified technicians
- Shock absorber replacement
- Full suspension check
- Alignment check
Use only Audi-approved parts for replacements
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of suspension system does the 2012-2015 Audi RS4 use?
What type of suspension system does the 2012-2015 Audi RS4 use?
The 2012-2015 Audi RS4 is equipped with a sport-tuned adaptive air suspension system. It features dynamic ride control (DRC) with adjustable dampers, allowing for variable stiffness and ride height based on driving conditions and driver preferences.
Q2 What is the ride height of the 2012-2015 Audi RS4?
What is the ride height of the 2012-2015 Audi RS4?
The standard ride height of the 2012-2015 Audi RS4 is approximately 140 mm (5.5 inches) in normal mode. In dynamic mode, the suspension lowers the vehicle by 10 mm (0.4 inches) for improved handling and aerodynamics.
Q3 Can the suspension be manually adjusted?
Can the suspension be manually adjusted?
Yes, the suspension can be manually adjusted using the Audi Drive Select system. This system allows the driver to choose between Comfort, Auto, Dynamic, and Individual modes, each offering different suspension stiffness and ride height settings.
Q4 What is the recommended tire pressure for optimal suspension performance?
What is the recommended tire pressure for optimal suspension performance?
For optimal suspension performance, Audi recommends a tire pressure of 2.4 bar (35 psi) for the front tires and 2.2 bar (32 psi) for the rear tires under normal driving conditions. Adjustments may be necessary for high-speed or load-carrying scenarios.
Q5 How often should the suspension components be inspected?
How often should the suspension components be inspected?
Audi recommends inspecting the suspension components every 15,000 miles or 12 months, whichever comes first. This includes checking the air springs, dampers, and bushings for wear and tear, as well as ensuring proper alignment and ride height.
Q6 What are the signs of a failing suspension system?
What are the signs of a failing suspension system?
Common signs of a failing suspension system include uneven tire wear, excessive body roll, knocking noises over bumps, a sagging ride height, and reduced handling performance. Immediate inspection and repair are recommended to avoid further damage.
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 RS4 Suspension System Overview
Coming SoonDetailed technical overview of the adaptive air suspension and dynamic ride control system used in the 2012-2015 Audi RS4.
Audi Drive Select System Guide
Coming SoonComprehensive guide on using the Audi Drive Select system to adjust suspension settings for optimal performance and comfort.
Suspension Maintenance Checklist
Coming SoonStep-by-step checklist for inspecting and maintaining the suspension components of the 2012-2015 Audi RS4.
Genuine Audi Suspension Parts Catalog
Coming SoonCatalog of genuine Audi suspension parts, including air springs, dampers, and bushings, for the 2012-2015 RS4.
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