Automotive cooling fan is an important part of the automotive cooling system, and its troubleshooting and repair is crucial to maintain the normal operation of the car. In this article, we will introduce the automotive cooling fan troubleshooting and repair methods, including the cooling fan in the driving process does not run, frequent start after the engine is off, the fan gear does not rotate, fan rattles and other problems of the solution.

First, the cooling fan does not run in the process of driving

1. Check whether the fuse of the cooling fan is blown. If the fuse is blown, replace it with a new one. 2.

2. Check whether the wires of the cooling fan are loose or damaged. If wire is loose or damaged, reconnect or replace wire. 3.

3. Check the cooling fan relay for damage. If the relay is damaged, replace with a new one.

4. Check the cooling fan motor for damage. If the motor is damaged, replace with a new one.

Frequent starting after switching off the engine

1. Check for loose or damaged cooling fan wires. If the wire is loose or damaged, reconnect or replace the wire.

2. Check the cooling fan relay for damage. If the relay is damaged, replace with a new one.

3. Check the cooling fan motor for damage. If the motor is damaged, replace it with a new one.

Third, the fan gear high does not rotate

1. Check if the wires of the cooling fan are loose or damaged. If the wire is loose or damaged, reconnect or replace the wire.

2. Check if the cooling fan relay is damaged. If the relay is damaged, replace with a new one.

3. Check the cooling fan motor for damage. If the motor is damaged, replace it with a new one.

Fan noise

1. Check if the fan blades of the cooling fan are deformed or damaged. If the fan blade is deformed or damaged, replace it with a new one. 2.

2. Check whether the bearing of the cooling fan is damaged. If the bearing is damaged, replace it with a new one.

3. Check the motor of the cooling fan for damage. If the motor is damaged, replace it with a new one.

The above are the troubleshooting and repair methods of car cooling fan, if you encounter similar problems, you can follow the above methods to overhaul. At the same time, please pay attention to safety and make sure you have the relevant skills and knowledge when carrying out repairs.