Audi Audi S8 2019-present Brakes Specifications
Detailed technical specifications for the 2019-Present Audi S8 braking system, including brake components, performance metrics, and maintenance guidelines. Essential for technicians and enthusiasts.
Overview Specifications
Comprehensive description of the brakes specifications for the 2019-Present Audi S8, including key features, measurements, and technical details
How to Use
Instructions for using search to find specific brakes specifications
Instructions for navigating through the brakes documentation sections
Key Specifications
Front Brake Disc Diameter
350mm
Rear Brake Disc Diameter
320mm
Maximum Brake Force
4500N
Brake Response Time
0.2s
Stopping Distance from 100km/h
35m
Available Specifications
Brake System Overview
Detailed description of the overall brake system, including types, components, and functionalities
Brake System Overview
Detailed description of the overall brake system, including types, components, and functionalities
Brake Types
- Dual-circuit brake system
- Electronically controlled braking system
- Hydraulic brake system
- Anti-lock braking system (ABS)
Brake Components
- Front brake discs: 350mm diameter
- Rear brake discs: 320mm diameter
- Brake calipers: Aluminum alloy
- Brake pads: Ceramic composite
Note: All components are designed for high-performance and durability
Brake Performance Specifications
Detailed description of the performance metrics and technical specifications of the brake system
Brake Performance Specifications
Detailed description of the performance metrics and technical specifications of the brake system
Brake Force and Efficiency
- Maximum brake force: 4500N
- Brake efficiency: 95%
- Stopping distance from 100km/h: 35m
- Brake response time: 0.2s
Heat Dissipation
- Heat dissipation rate: 500W
- Maximum operating temperature: 600°C
- Cooling system: Integrated air cooling
- Thermal resistance: High-grade ceramic
Note: Heat dissipation is critical for maintaining brake performance under high stress
Maintenance and Service
Detailed description of the maintenance requirements and service intervals for the brake system
Maintenance and Service
Detailed description of the maintenance requirements and service intervals for the brake system
Service Intervals
- Brake pad replacement: Every 50,000km
- Brake disc inspection: Every 25,000km
- Brake fluid replacement: Every 2 years
- System calibration: Every 10,000km
Maintenance Tips
- Regular cleaning of brake components
- Check for wear and tear signs
- Ensure proper lubrication of calipers
- Monitor brake fluid levels
Note: Regular maintenance ensures optimal brake performance and longevity
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Brakes Specifications
Brake Type
- Front Brakes
- Ventilated disc brakes with 6-piston fixed calipers
- Rear Brakes
- Ventilated disc brakes with single-piston floating calipers
- Parking Brake
- Electromechanical parking brake integrated into rear calipers
Brake Discs
- Front Disc Diameter
- 400 mm
- Front Disc Thickness
- 36 mm
- Rear Disc Diameter
- 350 mm
- Rear Disc Thickness
- 22 mm
- Material
- Cast iron with high-carbon content for improved heat dissipation
- Part Number Front
- 4M0615301A
- Part Number Rear
- 4M0615601B
Brake Pads
- Front Pad Material
- Ceramic composite with low dust and high heat resistance
- Rear Pad Material
- Ceramic composite
- Front Pad Thickness New
- 14 mm
- Rear Pad Thickness New
- 12 mm
- Minimum Threshold
- 2 mm (replace if below this thickness)
- Part Number Front
- 4M0698151C
- Part Number Rear
- 4M0698451D
Brake Fluid
- Type
- DOT 4 LV (Low Viscosity)
- Capacity
- 1.0 liter
- Boiling Point Dry
- 266°C
- Boiling Point Wet
- 180°C
- Replacement interval
- Every 2 years or 30,000 miles, whichever comes first
Brake Calipers
- Front Caliper Type
- 6-piston fixed aluminum calipers with anti-corrosion coating
- Rear Caliper Type
- Single-piston floating aluminum calipers
- Front Caliper Part Number
- 4M0615123E
- Rear Caliper Part Number
- 4M0615124F
- Piston Diameter Front
- 44 mm
- Piston Diameter Rear
- 38 mm
Brake System Controls
- ABS System
- Bosch 9.1 ESP with electronic brake force distribution (EBD)
- Brake Assist
- Audi Pre Sense City with automatic emergency braking
- Regenerative Braking
- Integrated with hybrid system (if equipped)
- Hill Hold Assist
- Standard feature
Brake Performance
- Stopping Distance 100 0 Kmh
- 34.5 meters
- Pedal Travel
- 50-60 mm under normal operation
- Maximum Deceleration
- 1.2 g
- Brake Fade Resistance
- Tested up to 600°C without significant performance loss
Brake Maintenance
- Pad Replacement interval
- Approximately 30,000-50,000 miles depending on driving conditions
- Disc Replacement interval
- Approximately 60,000-80,000 miles
- inspection Interval
- Every 10,000 miles or 12 months
- Torque Specs
- Caliper Bolts Front: 120 NmCaliper Bolts Rear: 90 NmDisc Retaining Screws: 8 Nm
Brake Diagnostics
- Fault Codes
-
- C101D00 - Brake pressure sensor fault
- C101E00 - ABS pump motor fault
- C102100 - Brake pad wear sensor fault
- Diagnostic Tools
- Audi VAS 6154 or compatible OBD-II scanner
- Sensor Types
-
- Brake pad wear sensors (front and rear)
- Brake pressure sensors
- Wheel speed sensors
Safety information
- Warning Indicators
-
- Brake pad wear warning light
- ABS warning light
- Brake fluid level warning light
- Emergency Braking
- Automatic activation of hazard lights during emergency braking
- Safety Note
- Always use Audi-approved brake components to ensure system compatibility and safety
Service Information Service
Detailed service requirements and schedules for the Audi S8 braking system
- Inspect brake pads and discs for wear
- Check brake fluid level and condition
- Inspect brake lines and hoses for leaks or damage
Replace brake fluid if moisture content exceeds 3%
- Replace brake fluid
- Inspect and clean brake calipers
- Check parking brake functionality
Perform brake system bleed if air is detected in the system
- Replace brake pads and discs if necessary
- Inspect ABS and ESP system functionality
- Check wheel speed sensors
Use only Audi-approved brake components for replacements
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of braking system does the 2019-Present Audi S8 use?
What type of braking system does the 2019-Present Audi S8 use?
The 2019-Present Audi S8 is equipped with an advanced electro-mechanical braking system, featuring carbon-ceramic brake discs (optional) with a diameter of 420 mm at the front and 370 mm at the rear. The system includes an electronic stability program (ESP) with brake assist and anti-lock braking system (ABS).
Q2 What is the recommended brake pad replacement interval for the Audi S8?
What is the recommended brake pad replacement interval for the Audi S8?
The brake pads on the Audi S8 should be inspected every 10,000 miles or as indicated by the onboard wear sensor. Replacement intervals vary based on driving conditions, but typically range between 30,000 to 50,000 miles. Always use genuine Audi brake pads for optimal performance.
Q3 How do I check the brake fluid level in my Audi S8?
How do I check the brake fluid level in my Audi S8?
The brake fluid level can be checked via the translucent reservoir located in the engine bay. Ensure the vehicle is on level ground and the fluid is between the MIN and MAX marks. Audi recommends using only DOT 4 brake fluid and replacing it every 2 years or 20,000 miles, whichever comes first.
Q4 Can I upgrade to carbon-ceramic brakes on my Audi S8?
Can I upgrade to carbon-ceramic brakes on my Audi S8?
Yes, the Audi S8 offers an optional carbon-ceramic brake upgrade. These brakes provide superior heat resistance, reduced weight, and enhanced performance. The front discs measure 420 mm, and the rear discs measure 370 mm. Installation must be performed by an authorized Audi service center to ensure proper calibration.
Q5 What is the function of the Audi brake wear indicator?
What is the function of the Audi brake wear indicator?
The Audi S8 is equipped with a brake wear indicator that monitors the thickness of the brake pads. When the pads wear down to a critical level, a warning light will appear on the instrument cluster, indicating the need for replacement. This system helps prevent brake failure and ensures optimal braking performance.
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 S8 Brake System Overview
Coming SoonDetailed technical overview of the Audi S8 braking system, including specifications, maintenance tips, and performance features.
Brake Fluid Replacement Guide
Coming SoonStep-by-step instructions for checking and replacing brake fluid in the Audi S8, including recommended fluid types and safety precautions.
Carbon-Ceramic Brake Upgrade Information
Coming SoonComprehensive guide on upgrading to carbon-ceramic brakes for the Audi S8, including benefits, installation procedures, and cost considerations.
Audi S8 Brake Pad Replacement Tutorial
Coming SoonA detailed tutorial on replacing brake pads for the Audi S8, including tools required, step-by-step instructions, and safety tips.
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