ABS rings for Audi A4 2.0 TDI 16V

Find the right ABS ring for your Audi A4 2.0 TDI 16V here. This page is dedicated to front-wheel-drive saloon models, helping you quickly identify the exact component for your vehicle...

Products for ABS rings for Audi A4 2.0 TDI 16V

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Item no.:0390797
  • ABS teeth: 45
  • Inner diameter: 77 mm
  • Outer diameter: 81 mm
  • Width: 11 mm
Item no.:338944
  • Position: Front
  • ABS teeth: 45
  • Inner diameter: 77 mm
  • Outer diameter: 81 mm
  • Width: 11 mm

ABS rings for Audi A4 2.0 TDI 16V

Finding the right ABS ring for an Audi A4 2.0 TDI 16V is crucial for your car's safety systems and performance. This specific model, fitted with the powerful 2.0 TDI engine, demands components that precisely match the technical specifications of its drivetrain. An ABS ring, also known as an ABS reluctor ring, is mounted on the CV joint and is a core component of the car's anti-lock braking system. Because the Audi A4 is renowned for its precise handling and advanced engineering, it is vital never to compromise on the quality of these sensor rings. We supply car parts meticulously selected to handle the torque output of the 2.0 TDI engine and the dynamic forces of the suspension. Choosing the correct replacement ensures your car's safety systems operate exactly as the manufacturer intended.

What does the ABS ring do on an Audi A4 2.0 TDI 16V?

The ABS ring on your Audi A4 2.0 TDI 16V provides the ABS wheel speed sensor with continuous data on wheel rotation. By reading the teeth on the ring as the wheel spins, the vehicle control unit detects if a wheel is about to lock up under heavy braking. For an Audi A4, this enables the system to modulate brake pressure in milliseconds, preserving steering control and preventing skids. Without a functioning ring, the system cannot perform these calculations accurately, directly compromising vehicle safety and potentially causing related systems such as Electronic Stability Control (ESP) to malfunction. It is a compact yet vital link in the complex chain comprising the vehicle's active safety and power transmission.

Common signs of wear

The most common sign of a failing ABS ring on your Audi A4 2.0 TDI 16V is an illuminated ABS warning light on the dashboard. This is frequently caused by a cracked ring resulting from corrosion, road dirt, and winter road salt over the years. Other symptoms include an unwanted pulsing sensation through the brake pedal during normal braking on dry surfaces, or false ABS intervention at very low speeds, often called "ghosting". When a ring cracks, it expands and alters the spacing between the teeth, sending erratic or jumpy signals to the sensor. Addressing this promptly is essential to restore full braking performance and prevent inappropriate electronic stability interventions while driving.

How to choose the correct ABS ring

When selecting a replacement ABS ring for your Audi A4 2.0 TDI 16V, the tooth count and inner diameter are the most critical measurements to check. Although many rings look identical at first glance, slight differences in dimensions can prevent them from pressing properly onto the CV joint or place the sensor too far from the teeth. The most reliable way to find the correct fit is to filter by your car's make, model, and engine here on cvjoint24.com, which displays parts verified for your specific Audi variant. Also verify whether the ring is intended for the front or rear axle, as dimensions frequently differ. Prior to installation, thoroughly clean the seating surface on the CV joint to ensure the new ring sits square and secure.

Related parts to inspect

Be sure to inspect these exact pages for the same vehicle when working on an ABS ring:

When a drivetrain component develops wear, neighbouring parts on the same car often require attention as well. By cross-referencing these exact pages for the Audi A4 2.0 TDI 16V, it becomes easier to tell whether the issue lies with the ABS ring or another related driveline component.

This is particularly relevant on models where vibrations, play, and noises can mask or mimic symptoms across different driveline parts. Checking related categories minimises the risk of replacing the correct component type while overlooking an adjacent worn part causing the same fault.

Carrying out a comprehensive check of these components saves you time and money in the long run while keeping your Audi thoroughly roadworthy.

Why shop with CVJoint24?

CVJoint24 is your Swedish driveline and power transmission specialist, serving customers across Europe. We know how critical it is to get the exact right part for your Audi A4 2.0 TDI 16V on the first try, which is why we provide an extensive fitment guarantee across our product range. Backed by our deep inventory and technical expertise, we ensure you receive premium-quality components engineered to original standards. We dispatch quickly to keep workshop and garage downtime to a minimum. When you order from us, you can rely on getting the right part at a competitive price, backed by knowledgeable customer service that understands drivetrains inside out. We are here to keep your Audi running smoothly, reliably, and safely.

Frequently asked questions about ABS rings for Audi A4 2.0 TDI 16V

How do I know if the ABS ring on my Audi A4 2.0 TDI 16V is cracked or damaged?

The most common signs are an illuminated ABS warning light, pulsating or vibrations through the brake pedal at low speeds, or diagnostic fault codes related to the wheel speed sensor.

Can I replace just the ABS ring, or do I need to replace the complete CV joint?

On most Audi A4 models, you can easily replace just the ABS reluctor ring if the CV joint is otherwise in good condition, which is a far more economical repair.

Why do ABS rings crack on the Audi A4?

The main cause is corrosion. Rust builds up underneath the ring on the CV joint, expanding and exerting pressure until the hardened steel ring eventually splits.

Will a damaged ABS ring cause an MOT or roadworthiness inspection failure?

Yes, if the ABS warning light is on or the anti-lock braking system is not operating correctly, the car will fail its periodic roadworthiness inspection as it is deemed a critical safety defect.

Are ABS rings different across various Audi A4 engine variants?

Yes, there can be variations in tooth count and diameter depending on the engine option and drivetrain (such as Quattro versus front-wheel drive), so always select your exact make, model and engine to find the right part.

How do you fit a new ABS ring onto the CV joint?

The ring is pressed or gently heated into position once the mounting surface on the CV joint has been thoroughly cleaned of all rust and debris to ensure a perfect fit.