A vehicle with rear drum brakes has a grinding noise when the brakes are applied: Technician A says excessive dust buildup in the drum brake can cause this.Technician B says worn rear brake linings can cause this.Who is correct?

Question

Quizplus · Accepted Answer

Both technicians are correct. Excessive dust buildup in the drum brake can cause a grinding noise, as well as worn rear brake linings. Both of these issues can affect the performance of the braking system and should be addressed promptly by a qualified technician.

A Vehicle with Rear Drum Brakes Has a Grinding Noise