To avoid problems with the timing belt, you need to monitor not only its condition, but also the conditions in which it works. It is harmful for him to get oil both through the camshaft seals and the crankshaft; but even when the bolts of the oil pump cover are loosened from a poor-quality gasket between the cover and the housing, oil can also get on the belt. The belt should not have cuts, lack of teeth, scuffs.
For automotive toothed belts, 4 tooth pitches are provided, for engines «tenth» models are 3.8 inches. There are also over 30 widths and exact fit to the manufacturer's specifications should be a must. Of course, the number of teeth also matters. The belts also differ in the profile of the teeth, there are more than 10 of them. The belts for the VAZ-2110 and VAZ-2111 engines have semicircular teeth, and for the VAZ-2112 semicircular teeth are of a high profile.
Belt designations:
- For VAZ-2110 VAZ-2111 - 58111X19, the first two digits 58 - semicircular profile number, 111 - number of teeth, 19 - width.
- For VAZ-2112 - 40934X1HSN, 40 - high profile, HSN - the material from which the belt is made.
![](https://www.vazbook.ru/img/vaz_2110/0043.jpg)