The engine must be thoroughly washed and cleaned after removal from the vehicle.

We install the engine on a stand or stand.

The clearance between the oil scraper ring and the groove on the piston must be between 0.135 and 0.335 mm.

We examined the engine disassembly in the article - "Engine disassembly".

There we looked at how to remove the crankshaft.

Let's consider how to disassemble the crankshaft itself and inspect it.

Before assembly, it is necessary to design the cylinder block and determine its further operation

The removal of the camshaft was discussed in the article - "How to disassemble the ZMZ-402 engine »

We disassemble the block head for subsequent repair or replacement.

When disassembling, you need to lay out the spare parts of the head in order, taking into account their further use.