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Frequently Asked Questions about Automotive Cooling Systems

Frequently Asked Questions about Automotive Cooling Systems

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Car cooling system works: through the water pump to the cold water in the tank to the cylinder, and then go through the cylinder head to take the cylinder and cylinder head work heat, into the water tank for cooling. The temperature of the cooling through the electronic fan. The thermostat performs the cooling system for large and small circulation. Take Santana 2000 as an example: to determine the bad way of the pump is: open the heater, if there is warm air, that hot water in the cycle, the pump is good. Judge the way the thermostat: touch the water tank on the water pipe and the next pipe, if the difference between the two tube temperature is very hot, the thermostat is good. Judge the fan method: first can open the cold air conditioning, look at the electronic fan does not turn, if the turn, the fan is good. Judge the temperature control switch method: the temperature of the tank on the temperature control switch unplugged, with a short wire connector on both sides of the connector (the plug has three holes), the fan should turn.
corrosion and leakage. Ethylene glycol on the tank has a strong corrosive. And with the anti-liquid preservative failure. On the radiator, water jacket, pumps, piping and other parts of the corrosion.
the engine overheating. Bubbles: antifreeze in the air in the pump stirred under a lot of foam, will hinder the water jacket wall heat. Scale: calcium and magnesium ions in the water after a certain high temperature will slowly form scale, so that greatly reduced cooling capacity. But also make the waterways and pipelines partially blocked, antifreeze can not flow normally. Hazard: the engine parts by thermal expansion, damage the normal with the gap, affecting the cylinder inflatable, power down, reduce the oil lubrication effect

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