What are the consequences of a timing belt breakage?

[MacCora]

The consequences of a timing belt breakage are: it can cause the engine to have valve collision, requiring a major engine overhaul. The method for replacing the timing belt is: 1. Lift the vehicle and remove the right front wheel fender liner; 2. Remove the alternator belt and the alternator belt tensioner; 3. Loosen the crankshaft pulley bolt; 4. Open the engine hood and remove the water reservoir; 5. Remove the engine mounting bracket and the protective cover on the timing belt; 6. Unscrew the alternator mounting bolt and remove the alternator; 7. Remove the cylinder block mounting bracket and take off the crankshaft pulley; 8. Rotate the crankshaft to the top dead center position of the cylinder and mark it; 9. Remove the timing belt and the timing tensioner to complete the replacement.