If your gearbox is noisy, it’s more than just an annoyance—it’s often a sign of a deeper mechanical issue that requires immediate attention. At MT Transmissions, we specialize in rebuilding manual gearboxes, restoring them to peak performance so you can drive smoothly and safely. With years of experience and a team of expert technicians, we’re your trusted source for gearbox noise diagnosis and repair. Worn Bearings One of the most frequent causes of a Gearbox noisy issue is worn or damaged bearings. Bearings help reduce friction between moving parts. Over time, they wear out or lose lubrication, causing a humming or whining noise that gets worse under load.
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