Audi Audi A8 2018-present Brakes Specifications
Detailed technical specifications for the 2018-Present Audi A8 braking system, including brake components, performance metrics, and maintenance guidelines. Essential for technicians and enthusiasts.
Audi A8 Brakes Specifications (2018-Present) Specifications
This document provides detailed specifications and technical information about the braking system of the Audi A8 (2018-Present). It includes key features, components, performance metrics, and maintenance guidelines. Use this guide to understand the capabilities and requirements of the Audi A8 braking system for optimal performance and safety.
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Navigate through the document by selecting sections from the table of contents. Each section provides detailed information about specific aspects of the braking system. Use the arrows or section titles to move between pages.
Key Specifications
Front Brake Rotor Size
10.0-inch (254mm)
Rear Brake Rotor Size
9.0-inch (230mm)
Braking Distance (0-62 mph)
Approx. 36 meters
Brake Fluid Type
DOT 4 LV
Caliper Configuration
6-piston (front), 1-piston (rear)
Available Specifications
Brake System Overview
The Audi A8 features a sophisticated braking system designed for superior stopping power and control. This section provides an overview of the key components and technologies integrated into the vehicle's braking system.
Brake System Overview
The Audi A8 features a sophisticated braking system designed for superior stopping power and control. This section provides an overview of the key components and technologies integrated into the vehicle's braking system.
Brake Types
- Front brakes: 10.0-inch (254mm) ventilated disc brakes with 6-piston aluminum fixed calipers
- Rear brakes: 9.0-inch (230mm) ventilated disc brakes with single-piston floating calipers
- Optional: Ceramic disc brakes with 10-piston front calipers (available on select trims)
- Brake pads: High-performance, low-dust pads for reduced wear and noise
Brake Assist Systems
- Electronic Stability Control (ESC) with Anti-lock Braking System (ABS)
- Electronic Brake Force Distribution (EBD)
- Automatic Emergency Braking (AEB) with pedestrian detection
- Predictive Brake Assist for proactive stopping
Components and Features
This section details the specific components and advanced features of the Audi A8 braking system, ensuring optimal performance under various driving conditions.
Components and Features
This section details the specific components and advanced features of the Audi A8 braking system, ensuring optimal performance under various driving conditions.
Brake Fluid and Hydraulic System
- Brake fluid type: DOT 4 LV (low viscosity)
- Hydraulic system: Dual-circuit diagonal braking system for even pressure distribution
- Brake lines: Stainless steel lines for durability and corrosion resistance
- Master cylinder: Electro-hydraulic with redundancy for failsafe operation
Brake Cooling and Heat Management
- Air ducts: Dedicated cooling air intakes for front brakes
- Ventilated discs: Internally ventilated for efficient heat dissipation
- Optional: Active cooling system for high-performance driving
Performance and Safety
This section highlights the performance capabilities and safety features of the Audi A8 braking system, including stopping distances and advanced driver assistance systems.
Performance and Safety
This section highlights the performance capabilities and safety features of the Audi A8 braking system, including stopping distances and advanced driver assistance systems.
Braking Performance
- 0-62 mph (100 km/h) braking distance: Approximately 36 meters
- High-speed stability: Stable braking from speeds up to 155 mph (250 km/h)
- Fade resistance: Minimal brake fade under repeated heavy braking
- Wet weather performance: Enhanced grip and control on wet surfaces
Safety Features
- Audi Pre Sense Basic: Prepares brakes for potential collisions
- Audi Pre Sense City: Low-speed automatic emergency braking
- Top View Camera System: Enhanced visibility for parking maneuvers
- Exit Warning: Alerts occupants of approaching vehicles when opening doors
Maintenance and Service
Proper maintenance is essential for ensuring the optimal performance of the Audi A8 braking system. This section provides guidelines for routine service and inspections.
Maintenance and Service
Proper maintenance is essential for ensuring the optimal performance of the Audi A8 braking system. This section provides guidelines for routine service and inspections.
Service Intervals
- Brake fluid: Replace every 2 years or 24,000 miles (38,000 km)
- Brake pads: Inspect every 12,000 miles (19,000 km) or as needed
- Rotors: Inspect every 18,000 miles (29,000 km) or as needed
- Brake lines: Inspect every 6 years or 60,000 miles (96,000 km)
Inspection Checklist
- Check brake fluid level and condition
- Inspect brake pads for wear (minimum thickness: 1/8 inch or 3mm)
- Check rotor surface for warping or excessive wear
- Test brake lights and ABS functionality
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Brakes Specifications
Overview
- Type
- ventilated disc brakes
- Configuration
- dual-circuit with diagonal split
- Front Calipers
- 6-piston fixed calipers
- Rear Calipers
- 4-piston fixed calipers
- Rotor Material
- cast iron
- Actuation
- hydraulic with brake booster
Dimensions
- Front Rotor Diameter
- 400 mm (15.75 in)
- Front Rotor Thickness
- 36 mm (1.42 in)
- Rear Rotor Diameter
- 360 mm (14.17 in)
- Rear Rotor Thickness
- 28 mm (1.10 in)
- Front Caliper Piston Diameter
- 40 mm (1.57 in)
- Rear Caliper Piston Diameter
- 25 mm (0.98 in)
- Brake Pad Thickness
- 12 mm (0.47 in)
- Master Cylinder Bore Diameter
- 25.4 mm (1.0 in)
Materials
- Rotors
- cast iron with special friction coating
- Brake Pads
- ceramic composite material
- Calipers
- aluminum alloy
- Brake Lines
- stainless steel
Features
- Performance
-
- high thermal capacity
- optimal heat dissipation
- minimized brake fade
- improved pedal feel
- Assistance Systems
-
- electronic stability control (ESC)
- traction control system (TCS)
- anti-lock braking system (ABS)
- automatic emergency braking (AEB)
- Control Systems
-
- electronic brakeforce distribution (EBD)
- brake assist system (BAS)
- regenerative braking integration
- adaptive brake control
- Cooling
-
- ventilated rotor design
- airflow-optimized caliper
- additional cooling ducts
- heat shields
- Monitoring
-
- brake wear sensors
- brake fluid level sensor
- parking brake monitoring
- electronic diagnostics
Safety Features
- Emergency Braking
-
- automatic emergency braking (AEB)
- emergency brake assist
- post-crash braking
- Stability Control
-
- electronic stability control (ESC)
- traction control system (TCS)
- roll stability control
- Brake Assist
-
- brake assist system (BAS)
- predictive brake assist
- low-speed brake assist
- Fatigue Detection
-
- driver fatigue monitoring
- alertness detection
- rest recommendation system
Comfort Features
- Noise Reduction
- acoustic insulation and pad design
- Vibration Reduction
- optimized rotor and caliper mounting
- Smooth Operation
- progressive pedal response
- Pedal Feel
- adjustable pedal firmness
Accessories
- Upgrade Options
-
- high-performance brake pads
- lightweight forged wheels
- ceramic brake rotor upgrade
- high-temperature brake fluid
- Brake-Care
-
- brake cleaning kit
- brake lubricant
- brake bleeding kit
- pad wear sensor replacement
- Customization
-
- caliper color options
- brake rotor finish options
- custom pedal designs
- brake system software tuning
Maintenance
- Service interval
-
- Miles: 12,500 miles, Months: 12 months, Items: inspect brake pads and rotors,check brake fluid level,test brake system performance,clean and lubricate brake components, Note: Recommended for normal driving conditions
- Miles: 25,000 miles, Months: 24 months, Items: replace brake pads,inspect and resurface rotors,bleed brake system,check ABS sensors, Note: Includes more extensive procedures
- Miles: 50,000 miles, Months: 48 months, Items: replace brake rotors,replace brake fluid,inspect brake lines,caliper service, Note: Major service interval
- Maintenance Notes
- Follow manufacturer guidelines for optimal performance and safety
Warranty
- Basic
- Miles: 48,000 milesYears: 4 yearsCoverage: parts and laborTerms: from date of delivery
- Extended
- Miles: 80,000 milesYears: 6 yearsCoverage: parts and laborTerms: optional extended plan
- Wear Items
- Miles: 12,000 milesYears: 1 yearCoverage: brake pads and rotorsTerms: prorated
- Corrosion
- Miles: 120,000 milesYears: 12 yearsCoverage: brake components against corrosionTerms: from date of delivery
Production Details
- Manufacturer
- Audi AG
- Manufacturing Process
-
- precision casting for rotors
- CNC machining for calipers
- high-temperature treatment
- dynamic testing
- Quality Control
- inspection: dimensional and surface inspectionTesting: performance and durability testingCertification: ISO 9001:2015
- Sustainability
-
- recyclable materials
- energy-efficient manufacturing
- low-emission processes
- Production Metrics
- Annual Output: over 100,000 unitsLead Time: 6-8 weeksSupplier Network: globalinnovation: continuous R&D investment
Service Information for brakes Service
Maintenance and service requirements specific to this component
- Inspect brake pads and rotors
- Check brake fluid level
- Test brake system performance
- Clean and lubricate brake components
Recommended for normal driving conditions
- Replace brake pads
- Inspect and resurface rotors
- Bleed brake system
- Check ABS sensors
Includes more extensive procedures
- Replace brake rotors
- Replace brake fluid
- Inspect brake lines
- Caliper service
Major service interval
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of braking system does the 2018-Present Audi A8 use?
What type of braking system does the 2018-Present Audi A8 use?
The 2018-Present Audi A8 is equipped with an advanced electro-mechanical braking system, which includes an Electronic Stability Control (ESC) system, Anti-lock Braking System (ABS), and an Electronic Brakeforce Distribution (EBD) system. The front brakes are typically ventilated discs with a diameter of 400mm, while the rear brakes are also ventilated discs with a diameter of 350mm.
Q2 What is the recommended brake pad thickness for the Audi A8?
What is the recommended brake pad thickness for the Audi A8?
The recommended minimum brake pad thickness for the Audi A8 is 3mm. If the brake pads are worn below this thickness, they should be replaced immediately to ensure optimal braking performance and safety.
Q3 How often should the brake fluid be replaced in the Audi A8?
How often should the brake fluid be replaced in the Audi A8?
Audi recommends replacing the brake fluid every two years, regardless of mileage. This is to ensure that the brake fluid maintains its proper viscosity and boiling point, which are critical for the effective operation of the braking system.
Q4 What is the procedure for resetting the brake pad wear indicator on the Audi A8?
What is the procedure for resetting the brake pad wear indicator on the Audi A8?
To reset the brake pad wear indicator on the Audi A8, you will need to use a diagnostic tool such as the Audi VAS 5051 or an equivalent OBD-II scanner. Navigate to the brake system menu, select the brake pad reset option, and follow the on-screen instructions to complete the reset process.
Q5 Can I use aftermarket brake components on my Audi A8?
Can I use aftermarket brake components on my Audi A8?
While aftermarket brake components may be compatible with the Audi A8, it is highly recommended to use genuine Audi parts. Genuine parts are specifically designed and tested to meet the performance and safety standards of the vehicle. Using non-genuine parts may affect braking performance and could void the vehicle's warranty.
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 A8 Brake System Service Manual
Coming SoonOfficial service manual for the Audi A8 brake system, including detailed procedures for maintenance, repair, and troubleshooting.
Audi Genuine Brake Parts Catalog
Coming SoonCatalog of genuine Audi brake parts, including pads, rotors, and calipers, specifically designed for the 2018-Present Audi A8.
Audi A8 Brake Fluid Replacement Guide
Coming SoonStep-by-step guide for replacing brake fluid in the Audi A8, including safety precautions and recommended fluid types.
Audi A8 Brake Pad Replacement Video Tutorial
Coming SoonVideo tutorial demonstrating the proper procedure for replacing brake pads on the 2018-Present Audi A8.
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