ABS rings for Audi 100 2.8 E Quattro

ABS rings for Audi 100 2.8 E Quattro

The Audi 100 2.8 E Quattro is an iconic vehicle renowned for its robust construction and legendary Quattro system. When maintaining such a machine, precision in every component is essential. The ABS ring, also known as a reluctor ring or sensor ring, is a vital part of the car's safety setup. For the 2.8 E Quattro model in particular, reliability demands are high, as the four-wheel-drive system works in tandem with the braking system to deliver optimum stability. At CVJoint24, we supply ABS rings manufactured from high-grade steel with corrosion-resistant surface treatments, which is crucial on European roads where road salt quickly attacks exposed metal. Choosing the correct replacement ensures your ABS sensors receive a clean, sharp signal, allowing your anti-lock brakes to function exactly as intended from the factory.

What does an ABS ring do on an Audi 100 2.8 E Quattro?

On an Audi 100 2.8 E Quattro, the ABS ring acts as the mechanical counterpart to the electronic ABS wheel-speed sensor. Mounted directly onto the rotating CV joint, the ring features a specific number of teeth that pass the sensor at speed. This motion generates an electrical frequency that the car's engine control unit (ECU) relies on to calculate the precise rotational speed of each wheel. If one wheel begins to rotate noticeably slower than the others under braking, the system detects an impending lock-up and eases hydraulic pressure to that brake caliper. On a Quattro model, this data stream is equally critical for any connected traction or stability controls. Without an intact ABS reluctor ring, the car loses a major line of active safety, making this straightforward part one of the most critical elements in your braking system.

Common signs of wear and failure

Identifying a failing ABS ring on your Audi 100 2.8 E Quattro is straightforward once you know the signs. The most prominent symptom is an ABS warning lamp illuminating constantly or intermittently on the instrument cluster. Another very common sign is unwanted ABS activation during gentle stops on dry tarmac just before coming to a standstill. You may feel an unexpected pulsation through the brake pedal and hear the distinct buzzing or groaning noise of the ABS pump cycling. This almost always points to a cracked ring: as corrosion develops between the outer CV joint and the ring, the rust pushes outward and eventually fractures the ring. This crack creates an abnormally wide gap between two teeth, prompting the sensor to report a locked wheel. During a visual inspection, you will often find the ring sitting loose or cracked cleanly through the teeth.

How to choose the correct ABS ring

When ordering a replacement ABS ring for your Audi 100 2.8 E Quattro, it is vital to check the technical specifications carefully. Although our catalogue is organised to match parts precisely to your car, variations can occur if previous owners installed non-original CV joints or aftermarket components. The key dimensions to check are the tooth count, the inner mounting diameter and the ring width. Fitting a ring with an incorrect tooth count sends inaccurate wheel-speed data to the control unit, triggering fault codes and disabling the ABS entirely. By choosing your car's make, model and engine variant, you will find the verified options designed for your drivetrain. This is the surest route to obtaining the right part first time and preventing unnecessary workshop delays.

Related components to check

You may also want to inspect these related parts for your vehicle when replacing an ABS ring:

When a drivetrain component wears out, related parts on the same axle often show wear as well. By checking these matching pages for the Audi 100 2.8 E Quattro, you can readily tell whether an issue stems solely from the ABS ring or another element of the driveline.

This is particularly valuable on Quattro models, where vibrations, driveline play and mechanical noises can travel between several interconnected components. Reviewing related categories helps avoid replacing one worn part while overlooking an adjacent issue affecting the same symptoms.

• Audi 100 2.8 E Quattro
• Outer CV joints for Audi 100 2.8 E Quattro
• Inner CV joints for Audi 100 2.8 E Quattro

Being proactive and replacing related worn components together saves you time and labour in the long run, whilst keeping your Audi performing with its original safety and poise.

Why buy from CVJoint24?

CVJoint24 is not just an ordinary car parts retailer; we are your dedicated Swedish driveline specialist shipping across the EU from our warehouse in Helsingborg, Sweden. For owners of the Audi 100 2.8 E Quattro, this gives you direct access to deep technical expertise and a product catalogue tailored to the needs of your drivetrain. We focus strictly on quality and correct fitment, supported by our comprehensive fitment guarantee. When ordering from us, you can trust that our spare parts are built to handle the torque and loads of a permanent four-wheel-drive system. With our streamlined logistics, your parts are dispatched quickly across Europe so you can complete repairs and get back on the road without hassle. Choosing a specialist ensures you get the right advice, the right components and true peace of mind.