5.2.7. Filling of cooling liquid and removal of air from system

The deaerator on a radiator

The deaerator is shown by an arrow.

The deaerator on the thermostat case

The replaced radiator fan engine fuse

The replaced fuse is shown by an arrow.

1. To check fastening of a drain stopper of cooling liquid on the block of cylinders.
2. To open three deaerators.
3. To fill the cooling system; when liquid begins to follow, close deaerators. Level of cooling liquid has to be made even to a radiator stopper.
4. To start the engine and to wait until the fan turns on (without stopper).
5. To add the level of cooling liquid in a radiator to the corresponding value.
6. After full cooling of the engine to check the level of cooling liquid and in case of need to add it.