Many experienced drivers have been driving for a long time，But you may not be able to read the water temperature meter。When you see the water temperature is high，Just a little nervous，Worried about the engine boiling。On the contrary, when the water temperature is low，But don’t think so。Is this right？

The normal water temperature of a general car will be around 90 degrees (of course there are certain differences between different brands of cars)，The water temperature meter with clearly marked temperature value allows you to clearly see the real-time water temperature，But some water temperature meters only have scales and no numerical display。Normal temperature should be around 90℃。Once too high or too low，Or it may rise or fall rapidly。That’s all problematic。
Usually when the water temperature is normal, the pointer will point to the middle of the water temperature gauge (different models vary，It is recommended to check the warranty manual)，However, there will be a red area on the right side of the water temperature meter to indicate the high temperature seabet loginarea，Be careful when the pointer is close to this area，Indicates that the water temperature is too high，During driving (especially in summer), the temperature of the water tank may be too high or even "boil".，But when it is found that the water temperature is too high，Correct emergency methods should be adopted，Cannot be forced to drive，Otherwise it will cause great damage to the engine。
If the water temperature of the car engine is too low, it will be very harmful，will cause incomplete combustion of the mixture，Power reduction，Add，And cause poor lubrication，It will also cause emissions to exceed standards。
If the temperature is too high, it may be due to the following reasons!

Coolant leakage will cause its temperature to rise。At this time, you should check whether the coolant is leaking！If any，Then the leaking pipes, etc. should be repaired quickly。If not，The same brand of coolant should be added in time！It is not recommended to add water, especially in winter，Even if it does not cause a malfunction，It will also have a diluting effect on the coolant！

The hot fan will cause，When the vehicle is running at high speed，The heat generated cannot be transferred to the antifreeze in time, which affects heat dissipation，This then causes the antifreeze temperature to rise，Causing problems such as boiling the pot！This situation occurs，If driving，Reduce the speed first。Check if it is a fan problem，If yes，Repair in time，Don’t wait for the pot to boil before repairing it！

When something goes wrong with the water pump，The water circulation on the heat transfer side of the engine cannot proceed normally。Resulting in engine cooling system failure，The phenomenon of "boiling the pot" will Seabetarise from this！Be sure to find out early，Resolve early。General water pump problems，It may be that the bearing is locked or the impeller is damaged！It is unlikely that the bearing will lock。If the louver wheel is broken, just replace it！
The main reasons for low water temperature are as follows:
The reason why the engine water temperature is too low is usually that the thermostat is damaged or the cooling fan keeps running。

The thermostat is based on the engine water temperature，Part that automatically acts as a valve，Generally installed at the outlet of the radiator，The entrance of the water pump。When the coolant temperature is low，The thermostat blocks the low-temperature cooling water from the radiator，So that it cannot enter the engine water jacket，The water temperature in the water jacket can rise quickly，It is the small cycle that everyone often calls。
If the water temperature rises to a certain temperature，The valve gradually opens，The coolant in the radiator begins to flow again，Flow coolant through radiator，Start to slowly increase the water temperature，Dissipate heat to the atmosphere through the radiator，Keep the engine water temperature at the correct temperature，This is the big cycle。
If the thermostat fails，Valve cannot be closed，The coolant is always circulating，The engine water temperature may be too low。Some cars may simply remove the thermostat in order to lower the temperature when the water temperature is high in the summer，The water temperature of the engine will also be very low。　　

There is also a cooling fan。For electronic fans，Circuit failure causes the electronic fan to rotate continuously；For silicone oil fans，Damage to the silicone oil clutch will also cause the fan to run frequently。These faults will cause the water temperature to be low。

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