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Hello; Some decades ago I began the habit of putting a manual shift transmission equipped vehicle in neutral and letting the clutch out (foot all the way off of the clutch pedal)when stopped at lights. This should reduce the wear on the throw-out bearing over time.
My understanding is that when a clutch pedal is pushed in and held during long stops with the trans in gear, the throw-out bearing rotates with the engine and carries some load. With the trans in neutral and the clutch engaged (foot completely off the clutch pedal) the throw-out bearing is no longer carrying a load as it is in the same state as when driving in a gear.
This also can reduce some clutch wear. While sitting at a stop in 1st gear with the clutch disengaged (pushed in) it is possible to still have the clutch disk making light contact with the pressure plate and/or flywheel. This heats up a clutch and causes extra wear.
It is also very hard on a clutch to use it to hold a car on a hill. Use the brake.
For those out of warranty or refused warranty service due to aftermarket options this habit may save some early clutch wear and replacement.
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