After a period of driving, the water tank of the heater has a layer of foreign matter and dust on its surface. If not cleaned, it will affect the heat dissipation. The fan motor, after long-term operation, requires maintenance and replacement. This process must be judged and maintained by professionals; it is not recommended to disassemble the motor privately, as this can easily cause short circuits and failure of the motor, leading to minor issues like blown fuses or more severe problems such as burning wires and fires. The ventilation tube of the motor cannot be removed, as doing so can cause the motor to overheat and burn out. The variable resistance can change the motor's gears; however, if used consistently on the first or second gear for a long time, it can easily burn out, affecting normal operation. If this issue is detected, it should be replaced promptly. The operating system, after prolonged use, may experience aging and deformation of the control cables, leading to inefficient or incomplete operation. Avoid forcibly moving the controls to prevent damage to the components. If this problem is identified, it should be taken to a service station for assessment and appropriate repairs or replacements should be made. The ventilation pipes, also known as the heater's No. 1 and No. 2 hoses, are prone to aging and cracking due to long-term exposure to high temperatures. If a problem is detected, it should be replaced promptly to avoid leaks, which can cause the water temperature to rise excessively and deform the engine cylinder head. When replacing hoses, use the hoses that come with the Xiali vehicle, as substandard hoses are not resistant to corrosion.
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