This content was compiled automatically and has not yet been reviewed by a technician. For reference only.
For reference only. Always confirm part numbers and procedures for your specific vehicle.
Fault diagnosis
Steering wheel vibration during braking: hub contact surface and brake disc runout checks
The steering wheel or brake pedal vibrates during braking (brake judder).
Steering wheel vibration during braking: hub contact surface and brake disc runout checks
Symptoms
- The steering wheel or brake pedal vibrates during braking (brake judder). [1]
Possible causes
- Rust and dirt on the contact surfaces between the brake disc and hub may affect seating and cause runout. [1]
Checks
- Check the contact surfaces for rust and dirt. After installing the disc, measure lateral runout with a dial indicator and compare it with the model-specific tolerance. [1]
What to do
- If rust and dirt are found, remove the disc and clean the contact surfaces; if runout remains outside tolerance after reassembly, continue inspecting and repairing the hub. [1]
Applicability and limits
- General disc brake service information; no specific model or model year is given. The inspection findings determine the action. No site brand/model dictionary mapping has yet been made; this cannot establish vehicle fitment. Scope: unknown [1]
Related part categories
- Brake discs [1]
- Wheel hubs [1]
Sources
[Source 1] Ferodo: Brake Judder — Issues and Solutions — CAUSE 1: HUB AND/OR DISC RUN-OUT (accessed 2026-10-30)
https://www.ferodo.com/en-us/technical/tech-tips/brake-judder-tips.html
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