5-4-4-zamena-okhlazhdayushhejj-zhidkosti-i-udalenie-vozdukha-iz-sistemy-okhlazhdeniya-dvigatelya.html
The specified operations are carried out the same as on petrol engines. The arrangement of traffic jams of drain openings is shown in
fig. 3.22, and a bolt for removal of air from system — in
fig. 3.25.