Radiator line sensors- Radiator fan switch, Temperature sensor, Temperature switch. 

Hi, I am saourav kumar from #INDIA
In this video, I will help you out to find and solve your "car,s bad radiator fan " (overheating engines during summer and faulty sensors in radiator line)#TataIndigo #RadiatorFanSensor
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is your car’s temperature gauge getting too hot?
There's no need to panic. If the temperature gauge needle moves into the red, this usually means a problem with the cooling fan. If this happens while you’re driving, you should pull over as soon as possible.
The cooling fan will need to be fixed quickly, as continued driving will cause the engine to overheat and lead to a lot of trouble. You can easily identify and fix this issue yourself. There are four failure points that need checking.
Note: Check your owner’s manual for further instructions and precautions.
1. Test the motor
a) Check under the hood, locate the cooling fan and see if it is spinning. If it isn’t, something is wrong with the fan system.
b) Cooling fans are simple DC motors. You should start by testing the motor. You should see a cable coming off the motor. Follow the wire from the fan motor towards the engine, until you get to the plug for the fan connector. Gently unplug the cable from the connector.
c) Get hold of jumper wires for testing. Hook up one end to the positive and negative terminals of your car battery and the other end to the terminals on the fan motor. It doesn’t really matter which way you connect this.
CAUTION: The fan blades are sharp. Take all necessary safety precautions.
If the fan motor doesn’t start working, the problem is with the motor and you just need to get a replacement.
2.(TEMPERATURE SENSOR)
check your car's temperature sensor by unplugging the male-female contact plug when the temperature is beyond the limit(where radiator fan starts at the middle if temperature gauge)
3. Check the fuse:
If the motor does come on, the problem is somewhere else. At this point, we know the motor isn’t getting any power. So check the fuse to make sure if it hasn’t blown (it should be continuous). If the fuse has blown, then it needs replacement.
4. Check the temperature switch:
The fan gets its power by a switch called the cooling fan temperature switch. The position of this switch depends on your car. Check your car manual to locate it. To check it you need to unplug it, ground the terminal from that end and take the other end of the ground wire to the negative terminal of the battery. If the fan starts working, then all you need is a new sensor for the cooling fan.
5. Check the cooling fan relay:
After all of that, the fan may still refuse to work. There is one more thing left to check, the cooling fan relay. Go to the fuse box which should show you where the relay is. Unplug the relay and just replace it. Over time these relays can stop working and simply need replacement.
6.check the thermostat valve
if your engine is still hot check your thermostat valve or replaces it with a lower degree temperature rating.
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