Brief analysis on the blockage of the vent pipe of the expansion tank

Categories:Expansion tank Products News
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Time of issue:2022-11-07
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(Summary description)First of all, when the engine is cold and filled with antifreeze, the air in the engine water jacket and the radiator cannot be discharged immediately because the vent pipe is blocked,

Brief analysis on the blockage of the vent pipe of the expansion tank

Categories:Expansion tank Products News
Author:
Origin:
Time of issue:2022-11-07
Views:0

Information

First of all, when the engine is cold and filled with antifreeze, the air in the engine water jacket and the radiator cannot be discharged immediately because the vent pipe is blocked, so that the antifreeze cannot fill the entire system. It seems that the antifreeze in the expansion tank has been Filling up, in fact, the engine water jacket and radiator are in a half-empty state, which causes the antifreeze to not circulate normally, and the engine temperature rises very quickly. Often, the cooling system "opens the pot" and sprays water, but the antifreeze cannot be replenished. failure phenomenon.
Secondly, although the engine has been filled with antifreeze, the ventilation pipe is blocked during use, especially when the ventilation pipe connected to the front of the engine thermostat is blocked. During the engine operation process, as the temperature of the antifreeze gradually rises, It will cause a little vapor. If these vapors accumulate above the radiator, it will hinder the flow of antifreeze and affect the heat dissipation effect; if these vapors accumulate in front of the thermostat, the thermostat will be separated from the antifreeze, and the main valve of the thermostat cannot follow. When the temperature of the antifreeze rises, it is opened immediately, and the large circulation of the antifreeze caused by the development and change of the air resistance can not be effective, so the engine often has the phenomenon that the temperature is too high. The accumulation of steam can also displace antifreeze, which develops into an expansion tank overflow condition.

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