Anti-Lock Brake System (ABS) Tone Ring/Sensor Inspection (if equipped)
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Visually inspect for damaged teeth on the front and rear ABS tone rings 1. Inspect for nicks and dents on the face of the teeth. The teeth edges should be consistent in appearance. If a tone ring is damaged, see your dealer for replacement as soon as possible.
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Inspect for debris adhering to the end of the wheel speed sensors 2. If contamination is observed, or if you are unable to visually inspect, slide a thin towel across the face of the sensor between the sensor and the tone ring to remove any potential debris.