For engine repair, there are service procedures, machining, and cleaning as well as inspection procedures and engine overhaul steps included in the "unit repair". Cylinder boring and honing, fitting of connecting rod and bearings, fitting of Crankshaft and bearings, replacement of camshaft bearings, disassembly and assembly of connecting rod and Piston, disassembly and assembly of the Cylinder Head, disassembly and assembly of valve train components, disassembly and assembly of the Oil Pump, fitting of pistons and rings, thread repair information, valve and seat grinding, and timing components are all aspects of the procedure which should be followed. Special service tool: 123456, special service tool: 123456, special service tool: 789012, special service tool: 345678 are necessary for some tasks.