ABS rings for Audi A4 S4 Quattro

ABS rings for Audi A4 S4 Quattro

Finding the right ABS ring for an Audi A4 S4 Quattro demands precision. This high-performance model with its advanced four-wheel-drive setup relies on accurate data from every wheel to guarantee optimal stability and braking performance. As drivetrain specialists, we understand that the S4 variant often features specific requirements that differ from standard models. A cracked or corroded ABS reluctor ring can quickly cause safety hazards and trigger irritating fault messages on your dashboard. By choosing a model-matched component, you ensure your car's safety systems operate exactly as the engineers in Ingolstadt intended. We supply parts tested to withstand the rigorous demands of the Quattro system, providing peace of mind through every corner and under heavy braking.

What does an ABS ring do on an Audi A4 S4 Quattro?

The ABS ring on your Audi A4 S4 Quattro plays a fundamental role in the vehicle's active safety systems. Mounted directly on the CV joint, it rotates at the same speed as the wheel. A magnetic sensor reads the teeth on the ring to monitor wheel speed accurately. On a Quattro four-wheel-drive car, this data is especially critical, as the vehicle uses it not only for the anti-lock braking system, but also for traction control and electronic stability programmes. If a ring is damaged, false signals are sent to the ECU, leading the system to believe that a wheel is locking up or losing traction. This frequently causes unwanted ABS activation under normal braking or prevents the four-wheel-drive system from distributing torque properly.

Common signs of wear

The most common indicator of a faulty ABS ring on an Audi A4 S4 Quattro is an illuminated ABS warning light on the instrument cluster. This often occurs at lower speeds or during gentle braking, accompanied by a pulsing sensation through the brake pedal even on dry tarmac. This happens because a split ring interrupts the pulse signal, which the sensor interprets as wheel lock-up. A visual inspection will often reveal fractures caused by rust building up beneath the ring, forcing it to expand and ultimately crack. Heavy corrosion can also round off the teeth, resulting in signal errors. Ignoring these symptoms can lead to compromised braking performance in critical driving situations.

How to choose the correct ABS ring

When selecting a replacement ABS ring for your Audi A4 S4 Quattro, it is vital to check the tooth count and inner diameter. Because the S4 model features a reinforced drivetrain compared to standard A4 versions, dimensions can vary. The most reliable way to find the correct component is to select your car's exact make, model and engine variant in our shop, filtering for parts guaranteed to fit your specific chassis. You should also check whether your current ring is pressed onto the CV joint or integrated as a separate serviceable unit. Measuring the original ring before ordering is an excellent way to ensure your new part fits seamlessly without modifications.

Related parts to inspect

We also recommend checking these specific pages for the same vehicle when working on the ABS ring:

When one drivetrain component shows signs of wear, nearby parts on the same vehicle should often be inspected as well. By comparing these dedicated pages for the Audi A4 S4 Quattro, it becomes much easier to determine whether the issue lies purely with the ABS ring or another related transmission component.

This is especially important on performance models where vibrations, play and noises can transfer between different parts of the same driveline. A quick check of related categories reduces the risk of replacing one part while overlooking an adjacent component that contributes to the same issue.

• Audi A4 S4 Quattro
• Drive shafts for Audi A4 S4 Quattro
• Outer CV joints for Audi A4 S4 Quattro
• Inner CV joints for Audi A4 S4 Quattro

By replacing multiple worn components at the same time, you save both time and garage labour costs in the long run, ensuring your entire drivetrain operates smoothly.

Why shop with CVJoint24?

CVJoint24 is your trusted partner for drivetrain and power transmission components. As a Swedish driveline specialist shipping across the EU from our Helsingborg warehouse, we provide an extensive range of high-grade parts for the Audi A4 S4 Quattro. We understand how crucial it is to receive the correct component promptly to minimise vehicle downtime. With our accurate fitment guarantee, you can rest assured that your new ABS ring will fit your car perfectly. We combine technical expertise with a straightforward online shop that allows you to select your vehicle by make, model and engine with complete confidence. Our aim is to deliver outstanding service and dependable parts to keep your Audi performing at its best.