Pinpoint Test I: Rattling Noise: Notes
WARNING: This page is about a different car, the 2021 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
Some squealing noise from the brake system is acceptable under certain conditions such as cold start or low speed brake application. Under all other general driving conditions, the vehicle must come to a stop on brake application and the brake system operation must not create noise. A rattling noise from the brakes indicate a concern with the brake system.
Possible Sources
- Caliper guide pins or guide pin bolts
- Missing or damaged anti-rattle clips or springs
- Loose brake disc shield