Skip the auto shop - Our mechanics make house calls

Q: Where is the location of the thermostatic fan switch?

asked by on

Can't find the location of the thermo fan switch in the engine...can you help me pls? Thanks,Roy!
My car has an automatic transmission.

A: Hi there. The thermostatic fan switch is l...

Hi there. The thermostatic fan switch is located under the hood, in the center rear engine area, below valve cover, and is mounted on lower driver side of engine block. The thermostatic fan switch turns on the electric fans when the engine has reached operating temperature. Before replacing the switch, check to see if the wiring harness is connected to the switch. Sometimes the wires fall off the switch or break causing the switch to not work and is usually misdiagnosed. Make sure that there is a voltage to the switch. If there is a voltage to the switch, then take a bride wire from the switch wire to the fan motor and see if the fan will come on. If the fan comes on, then the switch has failed. If the fan does not come on, then the fan motor has failed. If you need further assistance with the location of the thermostatic fan switch, then seek out a professional, such as one from Your Mechanic, to help you.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Passenger's side window not going down

The window regulator or motor is the most likely cause of the window not going down. If you hear the motor running but the window does not move then the regulator is broken. If you do not hear the motor...

Q: Steering wheel is hard to turn whenever I slow down turning a corner and when stopped.

In order to test the power steering pump you'll need to produce the correct amount of pressure. A mechanic would need to do a high pressure test to get the pressure of the pump. You may have a bad power...

Q: Engine overheats when I stop

If the fans failed completely, they would likely not turn on at all, even when the car is first started. The fans are controlled by coolant temperature sensors that monitor the coolant temperature, and if one of these temperature sensors...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
How to Renew Your Car Registration in Oklahoma(DELETED)
Having your car registered with the Oklahoma Tax Commission is an important part of driving legally in this state. You will need to do this within 30 days of moving to Oklahoma...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...