
Usually, the coolant pump is removed from the engine due to noise during its operation, excessive radial play of the pump shaft

Fuel from the tank goes through the fuel line to the diaphragm pump.
It is driven by a camshaft eccentric that acts on the pump drive lever

The engine is dismantled for overhaul. Conditionally, the engine has already been removed from the car.
Motor mounts removed and engine mounted on a frame or stand

We conditionally remove the cylinder head from the engine dismantled from the car. Therefore, operations to prepare for the removal of the cylinder head are not considered in this article.

After disassembled the engine, you need to thoroughly wash all the parts with gasoline and remove carbon deposits.
Before assembling the engine, it is necessary to inspect the cylinder block, cylinder head and all the main parts for assembling the engine.