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Maintenance Method of Truck Radiator Fan Failure

What truck radiator manufacturers bring to you here is about maintenanceg methods for truck radiator fan failures.


Ⅰ. The truck radiator fan does not run during driving

Maintenance method: This problem may occur because the water temperature of the engine does not reach the conditions for starting the cooling fan. The auto repairer can use the engine diagnostic instrument to test the truck radiator fan. If everything is working properly, the auto repairer needs to check if the thermostat is malfunctioning.


Ⅱ. The truck radiator fan frequently starts after the car is turned off

This is normal behavior in most cases. Because after the car is turned off, the cooling system will generally stop working. At this time, the temperature of the engine has not cooled down. Because of this, the truck radiator fan will continue to work for a period of time. It only needs to wait for the temperature of the engine to drop. After that, the truck radiator fan will naturally stop working.


Ⅲ. The car radiator fan does not rotate when the gear is high

First of all, the auto repairer should check whether the connector of the truck radiator fan has poor contact, in addition to checking the power supply of the truck radiator, whether the fan is stuck, etc., these factors will cause the car radiator fan to not work when the gear is higher.


Ⅳ. Abnormal noise of truck radiator fan

If an abnormal noise is heard when the truck radiator fan is working normally, there are 4 situations as follows:


1. The fan wears out the casing;


2. The bearing of the fan may be damaged;


3. The fan blades are deformed;


4. Foreign matter has entered the fan.


In the above four cases, the first three need to replace the relevant parts, and the last one only needs to clean up the foreign body.


After knowing how to solve the truck radiator fan, you also need to know how to properly disassemble the truck radiator fan so as not to cause damage to it. The correct removal steps of the truck radiator fan are attached below:


1. Remove the lower baffle of the engine;


2. Remove the auxiliary water tank;


3. Panasonic coolant pipe;


4. Remove the buckle on the fan guard;


5. Remove the connecting plug and take out the fastening screws of the fan guard; remove the fixing nut of the fan.

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