1, Has a sufficient cooling capacity, ensure engine under all operating conditions water temperature is lower than the allowable value.
2, Taking into account, inter alia, excluding air in the system and the time allotted.
3, Should consider the expansion space, its volume total volume 4%-6%.
4, Has a higher water rates, which should meet the requirements set, while raises system 90% of the volume for the first time.
5, The engine high idle, add hot water or the system is turned on, water pump inletshould be a positive pressure.
6, Set the temperature alarm.7, tightly sealed, airtight leak.