At independent performance of major repairs various variants are possible. The decision on replacement of the block of cylinders, shatunno-piston group and a cranked shaft depends on variety of factors from which the most important is the condition of the block of cylinders. Other reasons are repair cost, access possibility to the equipment of workshops of car-care centre, presence of spare parts, time planned for work, and also personal experience.
Here alternatives some of variants to major repairs.
Acquisition of separate spare parts
If check shows that the block of cylinders and the majority of details are in a satisfactory condition and can be used further the most expedient from the economic point of view is purchase of separate spare parts. The block of cylinders, shatunno-piston group and a cranked shaft should be surveyed especially carefully. Even if insignificant deterioration of the block of cylinders is found out, cylinders are subject obligatory хонингованию.
The block of cylinders
Incomplete complete set
In the block of cylinders of an incomplete complete set the mechanism and piston group are established krivoshipno-shatunnyj. All interfaced details are picked up for the dimensional groups, all backlashes correspond to norms. On the block camshafts, клапанный the mechanism, a head of the block of cylinders and hinged units are separately mounted. Expenses for machining are minimum or are not required absolutely.
The restored engine
The restored engine contains all complete set of the block of cylinders of an incomplete complete set, and also the oil pump, the oil pallet, a head of the block of cylinders, a cover of a head of the block of cylinders, camshafts, клапанный the mechanism, pulleys / of an asterisk of a drive of camshafts, a gear belt / a chain and covers. All details are established with new bearings, consolidations and linings. On the complete set inlet both final collectors and hinged units are mounted only.
Carefully think over, what of alternatives to you is better approaches, before purchase or before registration of the order for spare parts consult in a car-care centre workshop, with suppliers of spare parts, and also with experts in restoration of engines.