The performance of the clutch burning is as follows:
1. Decline of power. The power output of the engine is transmitted to the gearbox through the clutch. After the clutch is burnt out, the clutch plate will slip and the power will naturally decrease.

2. The frictional sound of metal. The friction surface of the clutch plate is fixed by rivets. Burning the clutch will exhaust the friction surface and make the fixed rivet contact with the flywheel, so there will be metal friction sound when the clutch is loose and treading on the clutch.
3. Change of clutch pedal travel. Burning the clutch makes the friction surface thinner or even absent, so the travel of the clutch pedal will change.
4. Shifting rush. The clutch plate is in contact with the flywheel. When the clutch burns out and the rivet is exposed, it naturally has a strong sense of rush when shifting.
Causes of Clutch Burn-out:
1. Stay on clutch for a long time. Many novices will put their feet on the clutch pedal directly after the clutch is operated, which may lead to the clutch can not be pressed, so that the flywheel and friction disc have relative motion, leading to the burning of the clutch disc.
2. Long-term semi-linkage. Semi-linkage also makes the clutch pressure plate unable to make the flywheel and friction disc closely adhere to each other, resulting in speed difference. In the driving school's training ground, it is often possible to smell burning because of the semi-linkage operation.
3. The starting throttle is too large. Some people like the feeling of pushing back when they start or want to start quickly, they will take the accelerator to release the clutch. Such an operation starts with ejection on a sports car, but a common family car only burns the clutch. Moreover, the sports car can not start from ejection every moment.