A radiator cap is part of the cooling system.It is designed to seal the top of radiator filler neck to prevent coolant loss,pressurize the cooling system and raise boiling point of coolant.
The radiator cap let’s the fluid out into the overflow tank when pressure inside the system increases.And also when pressure decreases it drops the liquid back to the tank.
SYMPTOMS SIGNS OF FAULTY RADIATOR CAP INCLUDE;
-Overheating engine.
-Leaky coolant.
-Overflowing reservoir.
-White steaks on radiator.
-Radiator hose bursts.
It is recommended to replace the radiator cap after 100000 kilometres.
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