ABS rings for Audi A4 2.0 Tfsi Quattro

ABS rings for Audi A4 2.0 Tfsi Quattro

The Audi A4 2.0 Tfsi Quattro represents a fine balance between German engineering and practical four-wheel drive, making it a popular sight on European roads. To preserve the precision and safety for which Audi is renowned, every component in the drivetrain matters, not least the ABS ring. This part is an integral element of the vehicle's active safety systems and plays a decisive role in how power is distributed via the Quattro system. On European roads, these components face harsh conditions with road salt, moisture and temperature swings, which means they will eventually require replacement. At CVJoint24, we specialise in these exact driveline challenges and supply ABS rings specifically adapted to withstand the demanding conditions your Audi meets every day.

What does an ABS ring do on an Audi A4 2.0 Tfsi Quattro?

The ABS ring on an Audi A4 2.0 Tfsi Quattro acts as the heartbeat of the wheel-speed measurement system. It is mounted on the outer CV joint and rotates at the exact same speed as the wheel. The sensor, positioned directly above the ring, reads the teeth or magnetic pulses as they pass. This data is transmitted instantly to the ABS control unit. In a car equipped with Quattro all-wheel drive, these signals are not only used to prevent wheel lock-up under braking, but also to manage traction control and the electronic differential lock (EDL). If the ring is damaged or contaminated, the control unit receives conflicting data, preventing the safety systems from intervening correctly when they are needed most, such as during an emergency manoeuvre on a slippery surface.

Common signs of wear

Identifying wear on an ABS reluctor ring in good time can prevent hazardous driving situations. The most evident warning sign is when the ABS or stability control (ESP/ASR) warning light illuminates on the dashboard, either permanently or intermittently. A very specific symptom on an Audi A4 2.0 Tfsi Quattro is an unnatural pulsing sensation through the brake pedal at very low speeds, just before the car comes to a complete halt. This is typically caused by a cracked ring resulting from corrosion expanding beneath it. The crack widens the gap between two adjacent teeth, misleading the sensor into believing that the wheel has locked up. The system then unnecessarily activates the ABS. If you notice unusual braking behaviour or your safety systems disengage, it is time to inspect your ABS rings.

How to choose the correct ABS ring

When purchasing a replacement ABS ring for your Audi A4 2.0 Tfsi Quattro, you should never rely solely on outward appearance. Several variants look almost identical yet differ in critical dimensions. You must confirm the number of teeth on the reluctor ring, as an incorrect tooth count will send incorrect speed data to the vehicle's ECU. Furthermore, the inner diameter and overall width of the ring are vital to ensure a secure press fit onto the constant velocity joint. A loose ring will quickly fail or trigger fault codes. By selecting your specific Audi make, model and engine variant on cvjoint24.com, our catalogue filters the range to display only the parts engineered for your car. This eliminates guesswork and ensures you receive a part with the correct diameter and tooth count.

Related parts to check

Feel free to check these matching pages for the same vehicle when working on your ABS ring:

When a drivetrain component exhibits wear, adjacent components on the vehicle often warrant inspection as well. Comparing these exact pages for your Audi A4 2.0 Tfsi Quattro makes it easier to determine whether the issue lies specifically with the ABS ring or another connected part of the driveline.

This is especially pertinent on models where vibrations, play and noises can transmit symptoms across several drivetrain components. A quick check of related categories reduces the risk of replacing one correct part while overlooking an adjacent component that affects the same fault.

• Audi A4 2.0 Tfsi Quattro
• Drive shafts for Audi A4 2.0 Tfsi Quattro
• Outer CV joints for Audi A4 2.0 Tfsi Quattro
• Inner CV joints for Audi A4 2.0 Tfsi Quattro

Replacing worn components proactively extends the lifespan of the entire transmission system and ensures your Quattro drivetrain performs reliably for many kilometres to come.

Why shop with cvjoint24.com

CVJoint24 is the international shop of a Swedish driveline specialist, dispatching directly from Helsingborg to customers across Europe. We combine thorough technical expertise with an extensive range of premium spare parts for your Audi A4 2.0 Tfsi Quattro. Our goal is to help you select the right part first time and have full confidence in its quality. By selecting your car's make, model and engine, you can find the correct fit effortlessly and avoid unnecessary returns. Order from us to get precision car parts, specialist support and service dedicated to keeping your vehicle's drivetrain in optimal condition in all driving conditions.