- Do not bend or twist the timing belt.
- Do not allow the timing belt to come into contact with oil or water.
- Do not stretch the timing belt when installing or removing the camshaft toothed pulley mounting bolt.
2. Check the timing belt for the following defects:
a) Check that the timing belt is installed correctly.
- Check the timing belt cover gaskets for damage and proper installation.
b) If the belt teeth are damaged or cracked, check that the camshaft and coolant pump are not seizing.
c) If significant wear is observed on the non-running side of the belt, check for nicks on the tension roller side.
d) If wear or damage is found on only one side of the belt, check the belt guide and the correct positioning of the pulleys.
d) If there is significant wear on the belt teeth, check the timing belt cover for damage. If necessary, replace the timing belt.
3. Check the roller surface and smooth rotation. Replace it if necessary.
4. Check the accessory drive belt tensioner roller.
Check the surface of the tension roller and the smoothness of rotation. Replace it if necessary.