Autodata Technical Issue 16 – Whistling noise from 2012 Toyota Auris at high speeds
Each month the Autodata team answers a common technical question and provides a printable document with technical diagrams to download and keep, exclusively for IGA members. This month, a 2008 Toyota Auris is whistling at high speeds but the garage can’t find that cause.
Q. We are having trouble finding the cause of a whistling noise from the front of a customer’s 2012 Toyota Auris whilst driving at 60 mph (100 kph). The noise is loudest when the vehicle has got up to operating temperature. We have visually checked several front end components and are unable to source the noise. Can you help?
A. This problem has been reported to us before on the Toyota Auris and is due to the front brake pads resonating in the front brake callipers causing a whistling noise at constant speeds between 45-75 mph (70-120 kph). Remove and inspect the front brake pads for a central slot Fig1.
If central slot is not present, fit modified front brake pads from Toyota parts department. Carry out a road test to confirm the noise is no longer present.
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