Renewing brake disc — AUDI

🧭 Before you start

Fits: Audi A5 Cabriolet (8F), Audi A5 (8T, 2007–2016), Audi A4 B8 (8K, 2007–2015)

Don't miss

• Do not unplug connection of actuator motor or brake system, otherwise a fault will be registered in the memory.Do not apply tension on brake hose or electrical wiring.
• Take care to keep the brake disc straight when taking it off the wheel hub.
• Take care to keep the brake disc straight when fitting it onto the wheel hub.
• Use extension (commercially available) to tighten bottom bolt (16). Top bolt (17) can be tightened without extension. Wheel housing liner must be slightly pressed aside.
• Make sure that brake hose is properly clipped into retainer on hub carrier and securely seated. Otherwise, there is a risk that the brake hose will not remain in the retainer.

📋 Procedure

1. Raise the vehicle.
2. Remove wheels.
3. Unclip brake hose and electrical wire from retainer on hub carrier. [Note: Do not unplug connection of actuator motor or brake system, otherwise a fault will be registered in the memory.Do not apply tension on brake hose or electrical wiring.]
4. Remove rear brake pads .
5. Remove bolts (16 and 17) and detach brake carrier.

6. Remove locating bolt (arrow), holding brake disc in position.
7. Take brake disc off wheel hub. [Note: Take care to keep the brake disc straight when taking it off the wheel hub.]
8. Fit brake disc onto wheel hub. [Note: Take care to keep the brake disc straight when fitting it onto the wheel hub.]
9. Screw in locating bolt (arrow) and tighten.
10. Install rear brake carrier. Fit bolts (16 and 17) and tighten. [Note: Use extension (commercially available) to tighten bottom bolt (16). Top bolt (17) can be tightened without extension. Wheel housing liner must be slightly pressed aside.]
11. Install rear brake pads .
12. Clip brake hose and electrical wire into retainer on hub carrier. [Note: Make sure that brake hose is properly clipped into retainer on hub carrier and securely seated. Otherwise, there is a risk that the brake hose will not remain in the retainer.]
13. Fit wheels.
14. Lower vehicle.

🎬 Video walkthrough

Independent video tutorial by AUTODOC (YouTube) — a helpful visual companion to the steps above.

How to change front brake discs / brake rotors on Audi A4 B8 Saloon

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