What are the effects of overfilling car coolant?

1 Answers
Phoebe
07/30/25 9:34am
After overfilling the coolant, it may cause excessive pressure in the coolant expansion tank. The introduction of car coolant and precautions when filling are as follows: Introduction: The full name should be antifreeze coolant, meaning coolant with antifreeze function. Coolant consists of three parts: water, antifreeze, and additives. According to different antifreeze components, it can be divided into alcohol type, glycerol type, ethylene glycol type and other types of coolant. Precautions: Do not rashly open the cap when the radiator "boils over". Do not spill water on the engine when adding water. The human body should not come into contact with antifreeze. Different types of antifreeze should not be mixed. Do not operate with insufficient water. After the water inlet shows full, start the engine and run it. When the engine temperature rises to the thermostat opening and the air in the water jacket is discharged, the water level will drop. At this time, the radiator can be filled up again.
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