Why does a manual transmission make abnormal noise at idle but stops when the clutch is pressed?

1 Answers
TravisAnn
07/29/25 5:06pm
Manual transmission making abnormal noise at idle but stopping when the clutch is pressed is an issue with the transmission bearing. The release bearing may be loose or detached, causing vibration and abnormal noise. When the clutch pedal is pressed, the bearing is pressed against the clutch pressure plate, allowing the bearing to rotate, which makes the noise disappear. Here is more information about manual transmissions: A manual transmission, also known as a manual gearbox, is a type of transmission and one of the most basic types in automotive transmissions. The function of a manual transmission is to change the gear ratio, also known as the gear ratio. Based on the principle of leverage, the torque is amplified by using a larger diameter low-speed gear with a longer radius to assist the vehicle in starting forward movement.
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