In the descriptive sense, people speak of luck after events that they find to be fortunate or unfortunate, and maybe improbable. Therefore, cultural views of luck vary from perceiving luck as a matter of random chance to attributing to such explanations of faith or superstition.
Chirping can be due to misalignment of the drive belt, but could also be due to pulley misalignment, worn pulley bearings, worn belt ribs, contamination from oil, coolant, power steering fluid, brake cleaner, belt dressing, or other substances. Squealing is usually caused by slipping between the belt and the pulleys.
Shocks and springs can cause a clunking noise when braking if they are loose or broken. At times, these suspension parts can benefit from an adjustment or they may need replacing. Calipers that hold the disc brake pads in place may be out of adjustment, which will cause clunking. clunking or banging noise may be audible when applying brakes on a car. Harder braking creates a louder noise at higher speeds. This can be a failure of steering parts like the rack-and-pinion steering on a front-wheel-drive vehicle or tie rod ends on a rear-wheel-drive vehicle.