The customer complains of a high-pitched squeal whenever the wheels are turning, except when the brakes are applied. Technician A says the pads are worn and need replacement. Technician B says the rotors are scored and must be replaced. Who is correct?

Question

Quizplus · Accepted Answer

The high-pitched squeal that stops when the brakes are applied is typically a sign that the brake pads are worn and need replacement. This is because many brake pads have wear indicators that make a squealing noise when the pad material is low, alerting the driver that service is needed. Technician B's diagnosis of scored rotors may not directly cause the squealing noise described, especially since the noise stops when the brakes are applied.

The Customer Complains of a High-Pitched Squeal Whenever the Wheels