The engine is like the heart of the car，The importance is self -evident。Engineering cars mainly operated in construction workers，Usually pulling heavy operating environment poor，What happens when the engine is overheated?

There are two types of reasons for the high water temperature of the diesel engine: first，The heat dissipation system is not powerful; second，The engine itself is faulty。So how do you judge where is the problem? Readers and friends can start from the following points。

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Causes of excessive working temperature caused by diesel engine，The most vulnerable thing is insufficient coolant。Diesel engine when working，It will produce a large seabet ioamount of heat that has not been fully used，Gathering on the engine parts。If the coolant is insufficient，Even if everything else is normal，The heat dissipation effect is not enough

Check the thermostat

Under normal circumstances，Temperature-saving valve is when 78-88 degrees Celsius，As the temperature of the diesel engine gradually increases, it gradually turns on，Cooling liquid is more and more involved in the engine large circulation cooling。The temperature -saving fault mainly has the main valve that cannot be opened or stuck between the size cycle、Aging、Poor sealing makes the expansion body leak, etc.，These faults will cause poor cooling water cycle and the engine is overheating。

Check the amount of oil and oil

Because the temperature is higher when the diesel engine works，The requirements for the heat dissipation performance and lubrication performance of motor oil are also higher。Once you add motor oil，will make the engine encounter greater resistance at work。If the oil is less，It also affects lubrication and heat dissipation，So when changing the oil，It must be as required，Not as much as possible。

Check the fan

Silicon oil clutch fan is generally used in heavy cards now，It will adjust the speed through changes in temperature，The key control component is the spiral dual metal chip temperature sensor on the front cover of the silicon oil fan，If it breaks or fatigue，It will directly lead to the stop or low -speed operation of the heat dissipation fan，Affect Seabetthe engine heat dissipation。Similarly，For other cooling fans that use belt links，Then check the tightness of the belt，Make sure the speed of the fan。

Check the oil filter element

Due to the work of diesel engine，It will inevitably produce a little metal abrasive，Add the entry of debris in the air、The production of oil oxide，Make the debris in the oil gradually increase。Many people have to save dozens of dollars，Use inferior machine filter，Not only is it easy to block，Lost the effect of impurities in the interceptor oil，It will also exacerbate the wear of other parts such as cylinders，The result will not lose

Check your own work load

▲ Emergency treatment method after high temperature after the engine

This point，Needless to say everyone knows。The engine works under heavy load，will generate more calories，Especially when the dump truck of heavy load is climbing，Very easy water temperature。If often this，Card friends must pay attention，The engine has been in such a working state for a long time，The service life will be greatly attenuated，So be sure to stop、Oh!

Actually，The engine "fever" is often caused by multiple reasons，Many of the low -level problems can be avoided through daily inspections，The maintenance of the car is definitely not a trivial matter。In case of failure，Be sure to go to the service station to test!