Transmission builders are under constant pressure to reduce noise and vibration, to enhance the ride quality and fuel economy. The twist and crown of the involute ...

Mitsubishi’s manual gearboxes from around this time (and earlier) were some of the noisiest around. But usually it wasn’t anything to be concerned about. Bearing rumble and some clutch bearing noise ...

Unusual noises from a vehicle are often the first warning that something is wrong under the bonnet or beneath the car. Many drivers ignore these sounds, hoping they will disappear after a few minutes ...