2, check whether the surface of the water tank is too dirty, too much scale blocking the water tank or water jacket, leading to poor circulation of coolant. Elimination: clean the water tank;
3. Check whether the pump belt is too loose or broken. Elimination: adjust or replace the water pump belt;
4. The fan blade is broken. Methods: Replace the fan blades;
5. The thermostat can't be opened, so that the coolant can't dissipate heat through the radiator. Troubleshooting: remove the thermostat for maintenance or replacement;
6. The fuel supply advance angle of the fuel injection pump is inaccurate, and the atomization quality of the fuel injection nozzle is poor, which makes the diesel engine combustion lag. Methods: Correct and adjust the advance angle and nozzle.
Million car purchase subsidy