Audi Audi A3 2021-present Brakes Specifications
Discover the detailed brake specifications for the 2021-Present Audi A3, including rotor sizes, calipers, pads, and electronic features. Essential for maintenance, repair, and upgrades.
Brake System Overview Specifications
This document provides a comprehensive overview of the brake specifications for the 2021-Present Audi A3. It includes detailed information about the brake components, performance metrics, and safety features. Use this guide to understand the technical aspects of the braking system, how to navigate through the specifications, and key points to consider when maintaining or upgrading the brakes. The document is structured into major sections, each focusing on a specific aspect of the brake system, with subsections providing detailed technical points.
How to Use
To search for specific information, use the search functionality by typing keywords related to the brake system, such as 'rotor size' or 'brake fluid'. The search will highlight relevant sections and subsections.
Navigate through the document by selecting major sections from the table of contents. Each section includes subsections with detailed technical points. Use the quick reference section for key specifications at a glance.
Key Specifications
Front Brake Rotor Size
330 mm (13 in)
Rear Brake Rotor Size
272 mm (10.7 in)
100-0 km/h Braking Distance
36 meters (118 ft)
Brake Booster Type
Hydraulic
Brake Fluid Type
DOT 4
Available Specifications
Brake Components
This section details the key components of the Audi A3 brake system, including the front and rear brakes, rotors, and calipers. It provides technical specifications and materials used in the construction of these components.
Brake Components
This section details the key components of the Audi A3 brake system, including the front and rear brakes, rotors, and calipers. It provides technical specifications and materials used in the construction of these components.
Front Brake System
- Ventilated disc brakes with a diameter of 330 mm
- Floating calipers with piston count: 2
- High-performance brake pads with low wear rate
- Aluminum caliper construction for reduced weight
- Integrated brake cooling channels for improved heat dissipation
Rear Brake System
- Solid disc brakes with a diameter of 272 mm
- Floating calipers with piston count: 1
- Standard brake pads with consistent friction coefficient
- Steel caliper construction for durability
- Rear brake ventilation system for temperature control
Brake Performance
This section provides performance metrics for the Audi A3 brake system, including stopping distances, deceleration rates, and pedal feel. It also covers the electronic brakeforce distribution and emergency braking features.
Brake Performance
This section provides performance metrics for the Audi A3 brake system, including stopping distances, deceleration rates, and pedal feel. It also covers the electronic brakeforce distribution and emergency braking features.
Braking Distance
- 100-0 km/h (62-0 mph): 36 meters
- 80-0 km/h (50-0 mph): 28 meters
- 50-0 km/h (31-0 mph): 14 meters
- Consistent deceleration rate of 0.9g
- Short stopping distances due to high-friction pads
Brake Pedal Feel
- Progressive pedal feel with linear response
- Optimized pedal travel for precise control
- Hydraulic brake booster for reduced effort
- Electronic brakeforce distribution (EBD) standard
- Automatic brake hold function available
Safety and Assistive Features
This section outlines the advanced safety features integrated into the Audi A3 brake system, including emergency braking, brake assist, and stability control systems.
Safety and Assistive Features
This section outlines the advanced safety features integrated into the Audi A3 brake system, including emergency braking, brake assist, and stability control systems.
Emergency Braking
- Automatic emergency braking (AEB) standard
- Operates at speeds between 5-137 km/h (3-85 mph)
- Integrated with forward collision warning system
- Can apply full braking force in critical situations
- Reduced collision severity or avoidance
Brake Assist
- BAS (Brake Assist System) standard
- Enhances brake force during emergency stops
- detects panic braking through pedal speed
- Applies maximum braking force automatically
- Works in conjunction with AEB system
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Brakes Specifications
Overview
- Type
- Disc brakes, front and rear
- Configuration
- Diagonal split system with electronic brakeforce distribution
- Platform
- MQB (Modularer Querbaukasten)
- Material
- Ventilated discs (front), Solid discs (rear)
- Location
- Front and rear axle
Dimensions
- Front Rotor Diameter
- 330 mm (12.99 in)
- Front Rotor Thickness
- 32 mm (1.26 in)
- Rear Rotor Diameter
- 272 mm (10.71 in)
- Rear Rotor Thickness
- 22 mm (0.87 in)
- Front Caliper Piston Diameter
- 40 mm (1.58 in)
- Rear Caliper Piston Diameter
- 38 mm (1.50 in)
- Brake Pad Thickness
- 12 mm (0.47 in)
- Wheel Cylinder Diameter
- 25.4 mm (1.00 in)
Materials
- Front Rotor
- Ventilated steel disc
- Rear Rotor
- Solid steel disc
- Brake Pads
- High-friction organic compound
- Calipers
- Aluminum alloy
- Brake Fluid
- DOT 4 synthetic glycol
Features
- Brake System
-
- Electronic Brakeforce Distribution (EBD)
- Anti-lock Braking System (ABS)
- Electronic Differential Lock (EDL)
- Brake Assist System (BAS)
- Assist Systems
-
- Automatic Emergency Braking (AEB)
- Adaptive Cruise Control with braking function
- Traffic Jam Assist with braking functionality
- Control Systems
-
- Electronic Stability Control (ESC)
- Traction Control System (TCS)
- Drag Torque Control (DTC)
- Design Features
-
- Lightweight aluminum calipers
- Optimized cooling channels in rotors
- Corrosion-resistant coating on brake components
Safety Features
- Advanced Safety Systems
-
- Automatic Emergency Braking (AEB)
- Predictive Brake Assist
- Brake Pre-charging
- Driver Assistance
-
- Adaptive Cruise Control with Stop&Go
- Traffic Jam Assist
- Park Assist with brake intervention
- Stability Control
-
- Electronic Stability Control (ESC)
- Traction Control System (TCS)
- Torque Vectoring Brake
- Emergency Systems
-
- SOS Emergency Calling
- Post-collision braking
Comfort Features
- Noise Reduction
-
- Advanced brake pad lining technology
- Optimized rotor design for reduced noise
- Pedal Feel
-
- Progressive brake pedal feel
- Hill Start Assist
- Heat Management
-
- Ventilated front discs for heat dissipation
- Cooling channels in brake rotors
- Maintenance Alerts
-
- Electronic brake wear sensor
- Service Due indicator
Accessories
- Brake Upgrade Kits
-
- Audi Sport Brake Kit
- High-performance brake pads
- Lightweight brake rotors
- Wear Sensors
-
- Brake Pad Wear Sensors (front and rear)
- Rotor Wear Sensors
- Brake Care Products
-
- Brake cleaner
- Brake lubricant
- Brake fluid test strips
Maintenance
- Service interval
- 12,000 miles / 12 months
- Items To Replace
-
- Brake fluid every 2 years
- Brake pads as needed
- Rotors as needed
- inspection Tasks
-
- Brake pads
- Rotors
- Brake lines
- Brake fluid level
- Maintenance Notes
-
- Always use Audi-approved parts
- Bleed brakes after fluid replacement
- Check brake sensors
Warranty
- New Vehicle
- Miles: UnlimitedYears: 12Coverage: 12-year corrosion perforation limited warranty
- Parts
- Miles: UnlimitedYears: 2Coverage: 2-year unlimited mile Audi parts warranty
- Corrosion
- Miles: UnlimitedYears: 12Coverage: 12-year corrosion perforation limited warranty
- Maintenance
- Miles: 5,000 to 15,000Years: 1 to 3Coverage: Scheduled maintenance intervals
Production Details
- Manufacturer
- Audi AG
- Manufacturing Process
-
- Casting and machining of rotors
- Assembly of calipers and pads
- Testing and quality control
- Quality Control
- inspection: 100% dimensional checkTesting: Functional testing of braking systemCertification: ISO 9001:2015 certified
- Sustainability Practices
-
- Recyclable materials used
- Energy-efficient manufacturing
- Reduced emissions production process
- Production Metrics
- Annual Production: Over 1 million unitsCycle Time: Less than 10 minutes per unitQuality Rating: 99.9% defect-free rate
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 functionality
- Inspect brake lines and hoses
Recommended inspection interval
- Replace brake fluid
- Clean and lubricate brake caliper sliders
- Inspect parking brake function
- Check ABS sensor functionality
Includes fluid replacement and system check
- Inspect and replace brake pads as needed
- Measure rotor thickness
- Inspect for brake dust shields damage
- Check wheel bearings for play
Major inspection and replacement interval
- Replace front and rear brake rotors
- Replace brake pads
- Inspect and replace brake lines if necessary
- Bleed brake system
Major overhaul of braking system
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the brakes on a 2021-Present Audi A3?
What are the technical specifications of the brakes on a 2021-Present Audi A3?
The 2021-Present Audi A3 features a robust braking system designed for optimal performance and safety. It is equipped with ventilated disc brakes at the front and solid disc brakes at the rear. The front brake discs typically measure 330mm in diameter, while the rear discs are 272mm. The system incorporates electronic brakeforce distribution (EBD), anti-lock braking (ABS), and brake assist. These specifications ensure reliable stopping power and compatibility with the vehicle's advanced driver-assistance systems.
Q2 What are the maintenance requirements for the brakes on a 2021-Present Audi A3?
What are the maintenance requirements for the brakes on a 2021-Present Audi A3?
Regular maintenance of the Audi A3 brakes involves inspecting brake pads every 10,000 to 15,000 miles and replacing them when worn below 3mm. Brake rotors should be inspected for warping or excessive wear every 30,000 miles. Brake fluid should be changed every 2 years or as specified in the service manual. Additionally, the parking brake should be checked annually to ensure proper function. Always use Audi-approved parts and follow the recommended maintenance schedule for optimal performance.
Q3 How do I install or replace the brakes on a 2021-Present Audi A3?
How do I install or replace the brakes on a 2021-Present Audi A3?
To replace the brakes on your Audi A3, start by safely lifting the vehicle and removing the wheels. Next, remove the caliper and suspend it without disconnecting the brake hose. Remove the old brake pads and install the new ones, ensuring proper alignment. If replacing rotors, remove the old ones and install the new discs. Reassemble the caliper and bleed the brake system to remove any air. Finally, test the brakes by driving carefully and applying the brakes several times to bed them in properly.
Q4 How do I troubleshoot common brake issues in a 2021-Present Audi A3?
How do I troubleshoot common brake issues in a 2021-Present Audi A3?
If your Audi A3 experiences brake issues, start by checking the brake pads for wear. Squeaking noises may indicate worn pads, while a spongy pedal could signal air in the system. If the vehicle pulls to one side, the brake pads or rotors might be unevenly worn. Inspect the brake fluid level and top it off if necessary. For ABS or electronic issues, use an OBD-II scanner to check for error codes. Always refer to the service manual or consult a professional if issues persist.
Q5 How can I optimize the performance of my Audi A3 brakes?
How can I optimize the performance of my Audi A3 brakes?
To optimize brake performance on your Audi A3, ensure proper bedding-in of new brake pads by making gradual stops from higher speeds. Regularly clean brake components to prevent corrosion. Upgrade to high-performance brake pads and rotors for improved stopping power. Maintain the recommended brake fluid level and use a high-quality fluid. Avoid aggressive driving and ensure the vehicle is not overloaded, as this can stress the braking system. Always follow Audi's recommended maintenance schedule for 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 A3 Brake Service Manual
Coming SoonComprehensive guide covering brake system maintenance, repair, and technical specifications for the 2021-Present Audi A3.
Audi Technical Bulletin: Brake System Updates
Coming SoonOfficial updates and technical bulletins regarding improvements and maintenance of the Audi A3 braking system.
Audi A3 Brake Parts Catalog
Coming SoonDetailed catalog of approved brake parts, including pads, rotors, and accessories for the 2021-Present Audi A3.
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Technical Information
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