Generally speaking, the car is hot, and I have summarized the following points:
1,
Insufficient;
2. Water temperature
Or the water thermometer is out of order;
3. Long-term downwind driving or low-speed and heavy-load driving in hot season;
4. The ignition time is too early or too late; ;
5,
Can't open it at all;
6. The mixture is too thin or too thick;
7. The outside or inside of the water tank is dirty.
Serious, resulting in poor heat dissipation, need to pass (clear) the water tank or replace it;
8. Fans
It's too late or the cooling fan doesn't work, the rotation resistance of the fan is too great, the blades are installed backwards, and the blades are damaged.
9. The performance of the electric fan is poor or the speed is not high;
10,
Too much;
1 1, the water pump belt is too loose;
12,
There is a problem;
13,
"The phenomenon of gas and water;
14,
It doesn't open well and needs to be replaced;
15, other water pipes of waterway,
Water hole blockage;
16, the water pump doesn't work well (
Insufficient quantity);
Check items 14, 15 and 16: Open the lid of the water storage tank with a cooler.
Take it out and open it to see if the water is smooth;
If the engine suddenly overheats while the car is driving, it may be the fan.
Fracture, water pump shaft and
Turn it off,
Water leakage (e.g. aging and rupture of water pipes), or
The main valve falls off.
That's all. You should check from simple to complex.