What to do if the water temperature of Dongfeng Shenyu dump truck is high

1. There are many reasons for the high water temperature of the engine or even "boiling", such as damage to the electronic components of the cooling system (thermostat, cooling fan), poor heat dissipation of the radiator, insufficient coolant, etc.

2. Pull over, but don't turn off the engine immediately! Because the coolant temperature is already high and the cooling capacity has reached its limit, if the engine is turned off immediately, the boiling coolant will stop circulating (for most engines, the water pump is driven by the crankshaft).

3. Of course, if it is an electric water pump engine, it will be better), too high temperature can not be cooled, and the engine is also unbearable. If the engine is left idle for a while, the constant circulation of coolant can still reduce the impact of high temperatures on the engine.

4. Check whether the antifreeze is lacking, resulting in high engine water temperature. The circulation of the coolant, whether the circulation is not smooth. Secondly, you can also check that water temperature sensors, water pumps, thermostats, cooling fans, etc., may cause high water temperatures.

If you don't have a strong hands-on ability, you should go to the repair shop for an inspection.

1. The cooling water in the engine water tank reaches the boiling point, and produces a large amount of water vapor, which will produce a large number of bubbles, and a part of the cooling system is occupied by bubbles, which will make the cylinder wall around the serious water deficit, so that the engine lacks cooling, and will reduce the strength of the piston, piston ring, connecting rod and other components, and even deform, and can not bear the normal load, and at the same time, it will also destroy the normal gap between the parts, so that the normal oil film can not be maintained between the parts, and the engine will pull the cylinder and pull the swag. In other cases, the entire engine can be damaged or even scrapped.

2. Selection of antifreeze: the freezing point of antifreeze is 10 lower than the minimum temperature in winter in the place of residence. The mainstream brand products of antifreeze are basically 40-60 yuan a barrel, with a capacity of 4 liters (the volume of the general car water tank is almost 4L).

The ** of the original concentrated antifreeze may be slightly more expensive, generally about 80 yuan a bottle, and the capacity is about that. When replacing the antifreeze, it is necessary to add it in proportion, and in general, the ratio of antifreeze to water is 1:1 or 1:

A ratio of 2 is sufficient.

3. The replacement cycle and replacement method of antifreeze.

The recommended replacement cycle of the original antifreeze will vary from manufacturer to manufacturer, but the vast majority of them recommend that car owners replace the vehicle antifreeze every 2 years, and some manufacturers show that their original antifreeze replacement cycle is 4 or 5 years. But no matter what, in short, it has to be replaced, which is nothing more than the length of the replacement cycle.

4. When replacing the antifreeze, the first and most important thing is to wait for the vehicle to cool down, and do not replace the antifreeze when the engine is at a high temperature. First, there will be a risk of burns, and secondly, the release of antifreeze during the "hot car" will also affect the cooling of the vehicle.

5. When filling with new antifreeze, you can directly pour about about (depending on the model) of antifreeze into the storage tank, and stop filling after the liquid level height reaches the upper limit max position. At this time, unscrew the drain screw next to the "water pipe", and continue to start filling the antifreeze, see the antifreeze gushing out of the drain screw continuously and without bubbles, and then tighten the drain screw, so far the first time to fill the antifreeze and release the air The work is basically completed.

After starting the vehicle, idle for 3-5 minutes to let the vehicle enter the normal working temperature, and make the new antifreeze can be fully circulated in the waterway in the car, and then turn off the engine, open the reservoir will find that the liquid level height has decreased, then only need to add an appropriate amount of antifreeze to keep the liquid level between max and min.