Cause |
Elimination |
A. The temperature indicator lights up |
- The V-belt is loose or torn
- Not enough fluid in the cooling system
- The connecting wire to the signal lamp has a ground connection.
- The thermostat remains closed (the radiator is cold).
- The cooling system fan does not work.
- The pressure reducing valve in the shut-off cap of the expansion tank is defective.
- Connecting the temperature indicator sensor to ground.
- The radiator is dirty or the fins are damaged.
|
- Check the belt tension or replace it.
- Add water, or at least use it in the windshield washer system.
- Disconnect the temperature sensor wire, the indicator light should go out. If not, there is a ground connection; check the wiring.
- Stop, remove the thermostat, check the temperature continuously. If necessary, tow the car to a workshop.
- Fan motor defective, replace. Temperature sensor defective. Disconnect the conductive wire from the sensor and directly connect it to the terminal of the wire coming from the sensor.
- Check the valve, check the cover sealing gasket, replace the shut-off cover if necessary.
- Replace.
- Clean the radiator thoroughly. It is better to entrust this task to your workshop or a specialist.
|
B. The engine is slow to reach the required temperature. Insufficient heating power. |
|
The thermostat does not close completely, resulting in a large circulation circle being constantly in operation. |
Clean the thermostat, replace if necessary. |
[The original article is available on the website fordbook]