In this subsection only removal and installation of camshafts are described that it is necessary for their replacement and adjustment of gaps in the mechanism of the drive of valves. Grinding in of valves as the work available even to the beginning mechanic is in addition considered. Repair of a head of the block replacement of saddles, the directing plugs of valves and grinding of a privalochny surface of a head demands use of special tools and a set of spare parts which is not going on free sale. Therefore in need of serious repair of a head of the block of cylinders address to specialized car service or replace a block head assembled.