ABS rings for Audi A4 Avant 2.4
Discover ABS rings for the Audi A4 Avant 2.4. This selection covers parts designed specifically for this front-wheel-drive estate model. By selecting your car's exact make, model and...
Products for ABS rings for Audi A4 Avant 2.4
- Position: Front
- ABS teeth: 45
- Inner diameter: 77 mm
- Outer diameter: 81 mm
- Width: 11 mm
- Position: Front
- ABS teeth: 45
- Inner diameter: 77 mm
- Outer diameter: 81 mm
- Width: 11 mm
- Position: Front
- ABS teeth: 45
- Inner diameter: 77 mm
- Outer diameter: 81 mm
- Width: 11 mm
ABS rings for Audi A4 Avant 2.4
The ABS ring is a small but vital component on your Audi A4 Avant 2.4. Mounted directly onto the CV joint, this reluctor ring is a central part of the anti-lock braking system. For an estate like the Audi A4 Avant 2.4, renowned for its comfort and safety, keeping these sensor rings in pristine condition is essential. A cracked or corroded ring can cause safety systems to malfunction, compromising both driving feel and overall safety. At CVJoint24, we specialise in these precise parts so you can maintain your car with components that genuinely measure up. This specific model with its 2.4-litre engine demands components capable of handling the stresses of both city driving and extended motorway journeys.
What does the ABS ring do on an Audi A4 Avant 2.4?
On your Audi A4 Avant 2.4, the ABS ring acts as a pulse wheel for the car's electronic control unit. As the wheel rotates, an ABS sensor reads the teeth on the ring and transmits electrical pulses to the ECU. The control unit uses this data to calculate the wheel's exact speed in real time. If a wheel threatens to lock up under heavy braking, the system detects this instantly through the ABS ring signals and modulates brake pressure in milliseconds. Without an intact ring, the system cannot determine if the wheels are turning correctly, which often causes the ABS to switch off entirely as a fail-safe measure. This is especially critical on an Audi A4 Avant, where stability and braking performance are central to the driving experience.
Common signs of wear
The most common issue with an ABS ring on an Audi A4 Avant 2.4 is corrosion or cracking due to material fatigue. Because the ring is exposed to weather, moisture and road salt, rust can build up underneath it on the CV joint. This rust pressure eventually forces the ring to crack or expand, altering the spacing between the teeth and corrupting the sensor signal. Typical symptoms include the ABS warning light illuminating on the dashboard or an abnormal pulsing sensation through the brake pedal during low-speed stops, just before coming to a complete halt. Sometimes the electronic stability programme (ESP) warning will also trigger, as it relies on the same wheel speed data. Ignoring these signs can lead to reduced safety and an MOT failure.
How to choose the correct ABS ring
Choosing the correct ABS ring for your Audi A4 Avant 2.4 requires precision. Specifications can vary depending on the exact model year and drivetrain. The most important details to verify are the tooth count and the inner diameter, as the ring must be press-fitted onto the constant velocity joint with an exact fit to remain secure. To make your selection simple, select your vehicle's make, model and engine variant here on cvjoint24.com to view parts verified for your car. Before installation, thoroughly clean all rust from the seating surface on the CV joint to prevent the new ring from cracking prematurely.
Related parts to check
Feel free to check these related pages for the same vehicle when working on the ABS ring:
When one drivetrain component shows signs of wear, nearby parts on the same car often warrant inspection too. By comparing these relevant pages for the Audi A4 Avant 2.4, it becomes much easier to determine whether the issue lies solely with the ABS ring or another adjoining part of the power transmission.
This is especially important on models where vibrations, play and unusual noises can shift symptoms across several interconnected drivetrain parts. A quick check of related categories reduces the risk of replacing one correct part while overlooking an adjacent component that affects the same issue.
- Audi A4 Avant 2.4
- Drive shafts for Audi A4 Avant 2.4
- Outer CV joints for Audi A4 Avant 2.4
- Inner CV joints for Audi A4 Avant 2.4
Replacing the complete CV joint can sometimes prove more cost-effective if the original joint shows wear alongside a damaged ring, providing you with a fresh unit featuring a pre-fitted ring.
Why buy from CVJoint24?
CVJoint24 is the international shop of a Swedish driveline specialist, supplying precision parts across the EU from our warehouse in Helsingborg, Sweden. We focus on providing an extensive range where dependable quality and exact fitment take absolute priority. When you shop with us, you receive high-grade spare parts backed by our comprehensive fitment guarantee. We understand that your Audi A4 Avant 2.4 requires precise specifications, which is why we continuously update our vehicle databases with verified technical data. With fast EU-wide dispatch and expert customer support, we are the dedicated choice for DIY mechanics and garages alike. Choose the correct part right away and keep your vehicle running smoothly on European roads.
Frequently asked questions about ABS rings for Audi A4 Avant 2.4
How do I know if the ABS ring on my Audi A4 Avant 2.4 is faulty?
The most common signs are an ABS warning light that stays lit constantly or a brake pedal that pulses under gentle braking at low speeds. A visual inspection will often reveal if the ring is cracked or heavily corroded.
Can I replace just the ABS ring or do I have to replace the entire CV joint?
On an Audi A4 Avant 2.4, it is often possible to replace only the ABS ring if the CV joint is otherwise in good condition. However, this requires thoroughly cleaning any rust from the mounting surface before the new ring is pressed on.
Why do ABS rings crack so often on Audi models?
This is usually caused by corrosion forming on the CV joint underneath the ring. Rust expands to take up more space than steel, creating internal pressure that eventually causes the hardened steel ring to split.
Will a cracked ABS ring cause an MOT failure?
Yes, if the ABS warning light is illuminated or the system does not operate correctly, the car will fail its roadworthiness test. It is treated as a major safety defect.
Is the ABS ring the same across all Audi A4 Avant models?
No, specifications can vary depending on the engine, model year, and whether the car is front-wheel drive or fitted with Quattro. Always select your make, model and engine to find the correct part for your 2.4 variant.
What tools are needed to replace an ABS ring?
You will need tools to remove the wheel and free the outer CV joint from the wheel hub. For the ring itself, you typically need a wire brush to clean the seat, and sometimes a heat source to gently warm the new ring so it slides into position.