What are the signs of timing belt aging?

[DiArya]

The signs of timing belt aging include: 1. The car lacks power and cannot accelerate when going uphill; 2. The engine shakes severely at idle; 3. The exhaust pipe makes a popping sound when accelerating; 4. There is a knocking sound inside the engine when starting the motor; 5. Cracks or wear appear on the timing belt. The method to replace the timing belt is: 1. Lift the vehicle and remove the right front wheel fender liner; 2. Remove the generator belt and the generator belt tensioner; 3. Loosen the crankshaft pulley screw; 4. Open the engine hood and remove the water tank; 5. Remove the engine mounting bracket and the protective cover on the timing belt; 6. Unscrew the generator fixing screw and remove the generator; 7. Remove the cylinder block mounting bracket and 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.