- remove the plugs from the radiator and from the expansion tank, open the heater cock,
- fill in coolant (10.7 l) into the radiator (liquid is poured until it pours out of the neck) and replace the radiator cap
- add the remaining liquid to the expansion tank and close it with a stopper;
- start the engine and let it idle for 1-2 minutes. to remove air pockets.
After the engine has cooled down, check the coolant level. If the level is below normal, and there are no signs of leakage in the cooling system, add fluid.