A boiling car water tank may be caused by the following three problems. The problem with the cooling system may be a thermostat failure, or there may be excessive scale causing the cooling water circulation to be blocked, causing the car's water tank to boil. In addition, the water tank fan fails to run, poor heat dissipation causes the water tank to boil, and the car boils to boil. Insufficient coolant Prolonged water circulation will cause the engine cooling system to slowly lose coolant.
The reason why the 2010 JAC Ruifeng seven-seat car with a 2.4-displacement engine was running out of water
The water tank was short of water and the coolant was not detected in time and the coolant was not detected in time. If added, it will easily cause the water tank to "boil" and the water tank will leak. A broken or loose connection to the water tank connection pipe will cause water leakage. This will severely hinder the water circulation and cause the water tank to "boil". The cooling fan will malfunction. The cooling fan will be damaged or the wire will be short-circuited, causing the fan to work. Or the cooling fan speed is slow.
This will cause the engine heat to be unable to be dissipated in time, which will naturally cause "opening the pot". The function of the cooling system is to keep the engine working within the most favorable temperature range to increase engine power and reduce engine wear. And fuel consumption, practice has proved that too high or too low temperature will have adverse effects on the engine's work. The failure of the cooling system can often be accurately judged according to the indication of the water temperature meter.
Does JAC Ruifeng commercial vehicle need to bleed air when changing antifreeze?
The reason why JAC Ruifeng m3 does not idle at a high temperature but runs at a high temperature is:
1 , the water tank is very dirty and the water temperature is very high, it is necessary to clean the water tank and replace the antifreeze. After replacing the antifreeze, it needs to be vented, otherwise the water temperature will be too high.
2. There is a problem with the cooling fan of the water tank. Clean the coolant in the water tank, refill the antifreeze after cleaning, and check the cooling fan until it works normally.
3. Water leakage from water pipe joints, tees, water tanks, water plugs, water storage bottle covers, etc. leads to insufficient antifreeze and high water temperature. Solution: Find the leak, repair it, and add antifreeze.
4. When the antifreeze is replaced during car repairs or other reasons, the air is not discharged, causing the water temperature to fluctuate high and low while driving. The solution is to vent the air again and add antifreeze.
5. The fault phenomenon of high water temperature during operation indicates that the water temperature meter indicates high or the water storage bottle overflows. Severe high temperatures can cause water pipes to rupture or accelerate weakly, and even cause engine cylinder gaskets or cylinder pulls.
It is necessary to bleed the air when changing the antifreeze of JAC Ruifeng Commercial Vehicle. The specific steps to give up are as follows:
1. Depress the brake pedal of JAC Ruifeng Commercial Vehicle.
2. Press the one-button start button of the JAC Ruifeng commercial vehicle to start the engine.
3. Run the JAC Ruifeng commercial vehicle until the water temperature reaches 90 degrees.
4. Press the one-button start button of JAC Ruifeng commercial vehicle to turn off the engine.
5. Let it sit until the water temperature drops to normal temperature.
6. Open the hood.
7. Slowly unscrew the water tankCover the small kettle and let out the air inside.
8. Add antifreeze to the MAX limit.