A Guide to Aftermarket Brake Pads for the 2018-2025 Audi A4 allroad
Choosing the right brake pads for your A4 allroad is crucial for maintaining its performance and safety.
- The rear Electronic Parking Brake (EPB) requires a scan tool or special procedure to retract before you can replace the pads.
- Always replace the brake wear sensors when you replace your pads; they are single-use items.
- For best performance and to avoid vibration, it is highly recommended to replace the brake rotors at the same time as the pads.
- High-quality aftermarket brands like ATE, Brembo, and Akebono offer OEM-level performance, while brands like Powerstop and EBC provide performance-focused options.
Signs of Worn Brake Pads
Your Audi A4 allroad will let you know when its brake pads are nearing the end of their life. The most obvious sign is the brake pad warning light on your instrument cluster. Other common symptoms include a squealing or grinding noise when you apply the brakes, a vibrating or pulsating brake pedal, or the car taking longer to stop than usual. Grinding noises often indicate the pads are completely worn out and metal is contacting the brake rotor, which can cause more expensive damage.
Choosing the Right Aftermarket Brake Pads
When replacing brake pads, you have many choices beyond the original equipment manufacturer (OEM) parts from Audi. Aftermarket brands offer a wide range of options that can suit different driving styles and budgets, from daily commuting to more spirited driving. Here’s a breakdown of some available brands to help you decide.
Brand Quality Tiers for Your A4 allroad
| Tier | Brands | Characteristics |
|---|---|---|
| OEM Equivalent & Premium | ATE, Brembo, Textar, Pagid, Zimmermann, Akebono | These brands are often original suppliers to Audi and other German automakers. They provide performance, feel, and durability very similar to the original factory pads. Akebono is well-regarded for its low-dust ceramic pads, which help keep your wheels cleaner. |
| Performance / Enthusiast | EBC Brakes, Hawk Performance, Powerstop | These brands focus on enhanced stopping power, often for more aggressive driving. EBC offers different compounds (like Redstuff or Yellowstuff) for various uses. Powerstop kits are popular for offering good performance with reduced brake dust compared to some OEM pads. Be aware that some performance pads may create more noise or dust than standard pads. |
| Daily Driver / Standard Replacement | Bosch, Centric, Dynamic Friction, Raybestos, Wagner Brakes | These are reliable, quality brands that offer a good balance of performance and value for everyday driving. They meet or exceed factory specifications and are a dependable choice for most owners. |
A Note on the Electronic Parking Brake (EPB)
A critical, vehicle-specific detail for the 2018-2025 A4 allroad is its Electronic Parking Brake. To replace the rear brake pads, the EPB must be put into a 'service mode'. This retracts the electronic caliper piston. This is typically done with an OBDII scan tool (like VCDS) 🎬 See how to retract the electronic parking brake using VCDS. or, in some cases, a 12V power source applied directly to the caliper motor. 🎬 Watch: How to enter rear brake service mode without a scanner. Attempting to force the piston back without doing this can damage the caliper. If you are performing a DIY replacement, ensure you have the correct tool or method for this step.
Known Issues, Recalls, and Service Bulletins
Searches for recalls on the National Highway Traffic Safety Administration (NHTSA) website did not reveal any specific recalls for the disc brake pads on the 2018-2025 Audi A4 allroad. However, there was a recall (47R1) for some 2020-2021 models related to the brake pressure unit, not the pads themselves. Audi has also issued Technical Service Bulletins (TSBs) related to brake systems, including one for diagnosing brake pulsation (A462350202258412) and another for a hard brake pedal on startup (47 22 12 2055646/3). These are not recalls but provide dealer technicians with diagnostic guidance.
Do I Need to Replace My Rotors Too?
It is generally recommended to replace brake rotors at the same time as the pads, especially on German vehicles. New pads on a worn, uneven rotor surface can lead to vibrations, noise, and reduced performance. A technician can measure the rotor thickness to see if it's within the minimum specification, but for best results, replacing pads and rotors together is the preferred approach.
Frequently Asked Questions
What's the difference between ceramic and semi-metallic pads?
Ceramic pads, like those from Akebono, are known for being quiet and producing very little dust, which keeps your wheels clean. Semi-metallic pads, which are common in European cars, often provide a stronger initial "bite" and performance but can create more dust. The choice depends on whether you prioritize clean wheels and quiet operation or a more aggressive brake feel.
Why is my brake wear sensor light on?
Your A4 allroad has a brake wear sensor, typically on one front and one rear pad. When the brake pad wears down to a certain thickness, the sensor makes contact with the rotor, completing a circuit and turning on the warning light on your dash. This means you have a limited amount of time, often around 1000 miles, to replace the pads. The sensor is a one-time use part and must be replaced along with the brake pads.
Can I perform this replacement myself (DIY)?
Yes, if you have the right tools and experience. The front brakes are relatively straightforward for those familiar with brake jobs. 🎬 Watch: Step-by-step guide for replacing front brake pads and rotors. However, the rear brakes require a special tool or procedure to retract the Electronic Parking Brake (EPB). Without it, you risk damaging the rear calipers. If you are not comfortable with this step, it is best to have a professional shop do the work.
How much should a brake pad replacement cost?
The cost can vary widely. Aftermarket parts themselves range from under $50 to over $300. Shop labor costs for a single axle (front or rear) can be between $110 and $161. A full replacement of pads and rotors at a dealership can be significantly more expensive than at an independent shop. Getting quotes from a trusted independent mechanic who works on European cars is often a good way to save money.
Helpful Videos
Technical Specifications
OEM Part Numbers: 8W0698151M 8W0698451BG 4M0698151BJ 8W0698451BE
The B9 platform A4 allroad typically uses 4-piston fixed front calipers. The rear calipers are single-piston with an integrated Electronic Parking Brake motor. The system uses brake wear sensors on both the front and rear axles.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Audi A4 allroad:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Signs of Worn Brake Pads
- Choosing the Right Aftermarket Brake Pads
- Brand Quality Tiers for Your A4 allroad
- A Note on the Electronic Parking Brake (EPB)
- Known Issues, Recalls, and Service Bulletins
- Do I Need to Replace My Rotors Too?
- Frequently Asked Questions
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