When hub bearings malfunction, vehicles exhibit a series of distinct symptoms, primarily including abnormal wheel wobble, noticeable body vibration, and persistent unusual noises (such as sharp whistling, humming, or metal grinding sounds) during operation. These noises typically intensify during acceleration or cornering. They may also cause ABS system failure (triggering the dashboard warning light), as the magnetic encoder or speed sensor within the hub assembly fails to accurately relay wheel speed data to the anti-lock braking system. Untreated bearing failures can lead to uneven tyre wear, increased steering system strain, and may even impair drive shaft torque transmission (particularly in front-wheel or all-wheel drive vehicles). These units typically require complete replacement rather than individual component repair, with service costs ranging from approximately 500 to 1500 Malaysian Ringgit depending on vehicle model and part specifications. Vehicle owners are advised to seek immediate inspection and repair upon detecting these symptoms to prevent potential safety risks, including wheel lock-up caused by complete bearing failure.
