Find the right ABS ring for your Audi 100 Avant in our dedicated range. Whether your estate is front-wheel drive or four-wheel drive, petrol or diesel, we supply components tailored for...
The Audi 100 Avant is renowned for its durable engineering and spacious interior, but like any vehicle with a few years under its belt, its drivetrain and safety systems require regular maintenance. A critical yet often overlooked component is the ABS ring, also known as an ABS reluctor ring. On the Audi 100 Avant, these rings are fitted in an exposed position where they constantly encounter road salt, moisture, and dirt. Over time this leads to corrosion, which is the primary reason an ABS ring cracks or loses its magnetic properties. With us, you will find a carefully selected range tailored to restore your car's braking performance to its original condition.
Replacing a damaged ring in good time is not only a matter of safety, but also of economics. In the worst case, a cracked ring can damage the ABS sensor, leading to costlier repairs. By choosing the right spare part from a specialist, you ensure that your Audi retains its classic driving feel and reliability for many kilometres to come.
The ABS ring on an Audi 100 Avant plays a crucial role in the vehicle's active safety system. It is usually pressed onto the outer CV joint and functions as a toothed tone wheel rotating in sync with the wheel. An inductive sensor, the ABS sensor, reads the teeth on the ring and sends wheel speed data to the car's control unit. If the control unit detects that a wheel is about to lock up during braking, it modulates brake pressure to preserve steering control.
Without an intact ring, the system cannot deliver accurate data, rendering the ABS function inoperative. For an Audi 100 Avant, often relied upon as a dependable family estate or long-distance cruiser, this system is vital for avoiding accidents during emergency braking or on slippery surfaces. The ring must be precisely manufactured to provide a clean signal free from interference.
There are several clear warning signs indicating that an ABS ring on your Audi 100 Avant has failed. The most common symptom is the ABS warning light illuminating on the dashboard, often accompanied by the system disengaging entirely. Another typical sign is the brake pedal vibrating or juddering when braking at very low speeds, even on dry tarmac with good grip.
This is often caused by rust forcing the ring to crack and expand, creating an irregular gap between the teeth that confuses the sensor. A visual inspection frequently reveals cracks or missing teeth. If you notice your brakes behaving erratically at crawling speeds, it is high time to check the condition of the reluctor rings before the issue escalates and compromises handling.
Selecting the right ABS ring for your Audi 100 Avant requires precision, as variations exist depending on the engine option and whether the car is equipped with Quattro four-wheel drive. The most important step is to check the tooth count on the existing ring and its inner diameter, as these measurements must match exactly for the sensor to read the signal correctly. The ring is often pressed onto the outer CV joint of your Audi 100 Avant, and in some cases it may be more economical to replace the entire constant velocity joint if it already shows wear.
Always use our vehicle selector by choosing your make, model, and engine to filter down to the 23 products relevant to your specific model year. Matching the OE part number or technical specifications ensures a hassle-free installation. Remember to clean the mounting surface thoroughly of rust before pressing the new ring into place to avoid residual stress and future cracking.
Be sure to check these exact pages for the same vehicle when working on an ABS ring:
When a driveline component shows signs of wear, neighbouring parts on the same car often warrant inspection too. By comparing these exact pages for the Audi 100 Avant, it becomes easier to determine whether an issue lies with the ABS ring itself or another nearby part of the power transmission.
This is particularly relevant on models where vibrations, play, and noises can shift symptoms between multiple components in the drivetrain. A quick check of related categories reduces the risk of replacing the correct type of part while missing an adjacent component that affects the very same issue.
Addressing developing faults early saves money and prevents unexpected breakdowns on the road. A properly functioning drivetrain is the heart of your Audi 100 Avant.
CVJoint24 is your dedicated partner for power transmission spare parts. As the international shop of a Swedish driveline specialist with its warehouse in Helsingborg, Sweden, we offer unique expertise and an extensive product range that few can match. We understand the importance of precise fitment, especially on classic premium models like the Audi 100 Avant where every detail matters. Our specialist focus allows us to provide in-depth technical relevance and car parts built to last over time.
With our accurate make, model, and engine selector and high-quality parts, we give you the confidence you need to carry out the repair correctly. We stock parts engineered to meet or exceed original equipment specifications, ensuring your car remains safe and reliable whatever the driving conditions.
The most common signs are an illuminated ABS warning light or the brake pedal pulsating at low speeds on dry surfaces. A cracked ring sends faulty signals to the wheel speed sensor.
On an Audi 100 Avant, it is often possible to replace just the ring if the CV joint is otherwise in good condition. However, if the joint is noisy or has a split CV boot, replacing the complete unit may be advisable.
The primary cause is corrosion build-up beneath the ring. As rust expands, it creates outward pressure from within that eventually causes the metal ring to crack.
No, the tooth count and diameter can vary depending on engine size and whether the car is equipped with Quattro. Always filter by your make, model and engine to find the correct part.
Yes, if the ABS light is on or the system does not function correctly, the car will fail its roadworthiness inspection or MOT test as it poses a safety risk.
It varies, but typical tooth counts for the Audi 100 Avant are 45 or 38 teeth. The safest approach is to count the teeth on the old ring before ordering.