Audi Audi S4 2016-present Brakes Specifications
Detailed technical specifications for the 2016-Present Audi S4 braking system, including brake components, performance metrics, and maintenance guidelines. Ideal for technicians and enthusiasts.
Overview Specifications
Comprehensive description of the brakes specifications for the 2016-Present Audi S4, including key features, measurements, and technical details. This section provides detailed information on the braking system, including components, performance metrics, and maintenance guidelines.
How to Use
Use the search function to locate specific brake specifications by entering keywords such as 'brake pad thickness', 'rotor diameter', or 'brake fluid capacity'.
Navigate through the brakes documentation by selecting the relevant section from the table of contents or using the sidebar menu to jump to specific subsections.
Key Specifications
Front Rotor Diameter
345 mm
Rear Rotor Diameter
330 mm
Brake Fluid Capacity
1.0 L
Brake Pad Thickness (Front)
12 mm (new), 3 mm (min)
Stopping Distance (100 km/h to 0)
34 meters
Available Specifications
Brake System Components
Detailed information on the primary components of the Audi S4 braking system, including front and rear brakes, calipers, rotors, and brake pads.
Brake System Components
Detailed information on the primary components of the Audi S4 braking system, including front and rear brakes, calipers, rotors, and brake pads.
Front Brake System
- Ventilated disc brakes with a diameter of 345 mm
- 4-piston fixed calipers for enhanced stopping power
- Brake pad thickness: 12 mm (new), 3 mm (minimum)
- Rotor thickness: 30 mm (new), 28 mm (minimum)
- High-performance brake fluid with a boiling point of 260°C (500°F)
Rear Brake System
- Ventilated disc brakes with a diameter of 330 mm
- Single-piston floating calipers
- Brake pad thickness: 10 mm (new), 2 mm (minimum)
- Rotor thickness: 22 mm (new), 20 mm (minimum)
- Integrated electronic parking brake system
Note: The rear brake system includes an electronic parking brake, which requires specialized tools for maintenance.
Brake Performance
Technical details on the braking performance of the Audi S4, including stopping distances, pedal feel, and system responsiveness.
Brake Performance
Technical details on the braking performance of the Audi S4, including stopping distances, pedal feel, and system responsiveness.
Stopping Distance
- 100 km/h to 0 in 34 meters (111.5 feet)
- 60 mph to 0 in 105 feet (32 meters)
- Deceleration rate: 1.2 g
- ABS and ESC systems for optimal control
Pedal Feel and Modulation
- Electromechanical brake booster for precise pedal feel
- Brake pedal travel: 80 mm (3.15 inches)
- Progressive brake force distribution
- Regenerative braking system for hybrid models
Note: The electromechanical brake booster provides consistent pedal feel under varying conditions.
Maintenance and Service
Guidelines for maintaining and servicing the Audi S4 braking system, including inspection intervals, replacement parts, and fluid specifications.
Maintenance and Service
Guidelines for maintaining and servicing the Audi S4 braking system, including inspection intervals, replacement parts, and fluid specifications.
Inspection Intervals
- Brake pad inspection every 15,000 km (9,320 miles)
- Rotor inspection every 30,000 km (18,640 miles)
- Brake fluid replacement every 2 years or 30,000 km (18,640 miles)
- System diagnostics during every service interval
Replacement Parts
- OEM brake pads part number: 8W0698151 (front), 8W0698152 (rear)
- OEM rotors part number: 8W0615301 (front), 8W0615302 (rear)
- Brake fluid specification: DOT 4 LV
- Recommended torque for caliper bolts: 120 Nm (88.5 lb-ft)
Note: Always use OEM or equivalent parts to ensure compatibility and performance.
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Brakes Specifications
Brake Type
- Front Brakes
- Ventilated disc brakes
- Rear Brakes
- Solid disc brakes
- Parking Brake
- Electromechanical parking brake
Brake Discs
- Front Disc Diameter
- 345 mm
- Front Disc Thickness
- 30 mm
- Rear Disc Diameter
- 330 mm
- Rear Disc Thickness
- 22 mm
- Material
- Cast iron with anti-corrosion coating
- Part Number Front
- 8W0615301A
- Part Number Rear
- 8W0615601A
Brake Pads
- Front Pad Thickness
- 14 mm
- Rear Pad Thickness
- 12 mm
- Material
- Low-metallic compound
- Part Number Front
- 8W0698151A
- Part Number Rear
- 8W0698451A
Brake Calipers
- Front Caliper Type
- Fixed 4-piston caliper
- Rear Caliper Type
- Floating single-piston caliper
- Color
- Black with Audi logo
- Part Number Front
- 8W0615123A
- Part Number Rear
- 8W0615124A
Brake Fluid
- Type
- DOT 4
- Capacity
- 1.0 liter
- Replacement interval
- Every 2 years or 30,000 miles
- Specification
- ISO 4925 Class 6
Brake System Pressure
- Normal Operating Pressure
- 100-120 bar
- Maximum Pressure
- 200 bar
- Pressure Tolerance
- ±5 bar
Brake Pedal
- Pedal Travel
- 50-60 mm
- Pedal Force
- 30-50 N
- Free Play
- 2-3 mm
Parking Brake System
- Type
- Electromechanical
- Activation
- Automatic with vehicle ignition off
- Release
- Automatic with vehicle ignition on
- Part Number
- 8W0627801A
Brake Wear Sensors
- Front Sensor Part Number
- 8W0927551A
- Rear Sensor Part Number
- 8W0927552A
- Replacement interval
- Replace with brake pads
Brake System Diagnostics
- Fault Codes
-
- C101D00 - Brake pressure sensor fault
- C101E00 - Brake pedal sensor fault
- C101F00 - ABS pump motor fault
- Diagnostic Tool
- Audi VAS 6154 or equivalent
- Diagnostic Procedure
- Follow Audi diagnostic protocol
Service Information Service
Detailed service requirements and schedules for the brake 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 every 2 years or 30,000 miles
- Replace brake fluid
- Inspect parking brake system
- Check brake wear sensors
Replace brake pads if thickness is below 3 mm
- Replace brake pads and discs if necessary
- Inspect brake calipers for proper operation
- Perform brake system diagnostic check
Use only Audi-approved parts for replacement
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What type of brake system does the 2016-Present Audi S4 use?
What type of brake system does the 2016-Present Audi S4 use?
The 2016-Present Audi S4 is equipped with a dual-circuit hydraulic brake system with electronic brake-force distribution (EBD) and an anti-lock braking system (ABS). It also features an electronic stability control (ESC) system and optional Audi ceramic brakes for enhanced performance.
Q2 What are the specifications for the front and rear brake rotors?
What are the specifications for the front and rear brake rotors?
The front brake rotors on the Audi S4 are 345mm in diameter with a 30mm thickness, while the rear rotors are 330mm in diameter with a 22mm thickness. These dimensions may vary slightly depending on the trim level and optional brake packages.
Q3 How often should the brake pads be replaced on the Audi S4?
How often should the brake pads be replaced on the Audi S4?
Brake pad replacement intervals depend on driving conditions and style. Under normal driving conditions, brake pads should be inspected every 10,000 miles and typically replaced every 30,000-50,000 miles. Aggressive driving or track use may require more frequent replacement.
Q4 What is the recommended brake fluid for the Audi S4?
What is the recommended brake fluid for the Audi S4?
Audi recommends using DOT 4 brake fluid with a minimum dry boiling point of 500°F (260°C) and a wet boiling point of 356°F (180°C). The brake fluid should be replaced every 2 years or 20,000 miles, whichever comes first.
Q5 Can I upgrade to ceramic brakes on my Audi S4?
Can I upgrade to ceramic brakes on my Audi S4?
Yes, the Audi S4 can be upgraded to optional ceramic brakes, which offer superior heat resistance, reduced brake fade, and longer lifespan compared to standard steel rotors. However, this upgrade is costly and typically recommended for high-performance or track use.
Q6 What is the procedure for resetting the brake pad wear indicator?
What is the procedure for resetting the brake pad wear indicator?
To reset the brake pad wear indicator, use a compatible OBD-II scanner or Audi's diagnostic tool. Navigate to the brake system menu, select 'Reset Brake Pad Wear Indicator,' and follow the on-screen instructions. Ensure the brake pads and sensors have been replaced before resetting.
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 S4 Brake System Service Manual
Coming SoonOfficial Audi service manual detailing brake system maintenance, repair procedures, and specifications for the 2016-Present S4.
Brake Pad Replacement Guide
Coming SoonStep-by-step guide for replacing brake pads on the Audi S4, including torque specifications and safety precautions.
Brake Fluid Flush Procedure
Coming SoonDetailed instructions for performing a brake fluid flush on the Audi S4, including fluid type and bleeding sequence.
Ceramic Brake Upgrade Information
Coming SoonTechnical overview of the ceramic brake upgrade option for the Audi S4, including benefits and installation requirements.
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
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
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.