The cooling fan switch should be located near the thermostat housing on the left side of the engine, behind the distributor assembly.
How do I know if my cooling fan switch is bad?
The best way to tell if your cooling switch is faulty is to listen to your engine while you drive. You know how your engine is supposed to sound, and if you notice that you don’t hear the fan as often as you normally do during your afternoon commute, you might have a failing switch.
Where is the radiator fan sensor?
The cooling fan relay is normally located in either the underhood fuse and relay center or mounted to the electric fan assembly behind the radiator.
What does the coolant fan switch do on a car?
Coolant Fan Switch When the coolant reaches a specified temperature, this switch turns on the vehicle’s coolant fan, which draws air through the radiator to regulate engine temperature. Bi-metal disc expands when heated, activating snap-action electrical contact to transfer electrical signal to fan controller
What are the symptoms of a bad cooling fan switch?
Symptoms of a faulty cooling fan switch include an overheated engine and an active Check Engine light. If you’ve experienced these problems, check your cooling fan and switch. If the switch isn’t working, it should be replaced.
What to do if your Ford Focus radiator fan is not working?
The first thing that you would want to do is locate the fuse for your Focus’s radiator fan and make sure that it hasn’t blown. If it is blown, replacing the fuse will only solve the problem for a very limited period of time. Unless the wiring issue is fixed, the fuse will blow again.
What happens if you don’t put coolant in a Ford Focus?
But, there won’t be enough coolant to reach the temperature sensor. Without the coolant hitting the sensor, the temp reading will be significantly lower than the actual engine temp. Your Focus’s radiator fan will not kick on. If you do have low coolant, don’t fill it up until the engine has cooled off.
