Attention: mark the parts so that they can be put in the old places, do not confuse the parts of different kits.
1. Turn out spark plugs.
2. Using a valve spring remover, compress the spring.
![](https://www.chevyman.ru/img/tahoe/1608.jpg)
3. Remove crackers (225).
4. Remove the valve spring plate (224).
![](https://www.chevyman.ru/img/tahoe/1609.jpg)
5. Remove valve spring (223).
6. Remove valves (228).
7. Remove the oil seal (222), it is the lower seat of the spring.
8. If necessary, remove process plugs (216) cooling jackets.
![](https://www.chevyman.ru/img/tahoe/1610.jpg)
9. Turn out the gauge of temperature of a cooling liquid (725) (left block head).
![](https://www.chevyman.ru/img/tahoe/1611.jpg)
10. Remove the plug (229) (right block head).
![](https://www.chevyman.ru/img/tahoe/1612.jpg)