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99 ford contour 2.0 - Radiator fan wont come on at high engine temp. I know the fan motor is good. is there a temperature sensor which controls the fan operation ?

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  • Contributor
  • 42 Answers

Yes it is usually next to the thermostat housing.

Posted on Oct 23, 2013

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Posted on Jan 02, 2017

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leetamara
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SOURCE: Cooling fan wont work

The water temp sensor is located near the thermostat housing. This sensor is what tells the ECM to turn the fan on/off. The water temp sending unit is located near the same area. You know you have the correct sensor is because the water temp sensor has a 2 prong plug. The water temp sending unit only has 1 prong.

Posted on Sep 27, 2008

  • 1 Answer

SOURCE: Radiator Electric Fan Motor on a 2003 Buick Century won't come on when temp gets high

I have a 1997 Buick Century with the same problem. Both my fans work if the A/C is
on as they should. If your turn off the A/C the passanger side fan will not come on
and at an idle the coolant in the radiator will boil, you can hear it in the overflow tank.
If you are driving there is enough air flow thru the radiator that the coolant doesn't
boil and the car doesn't overheat. I have replace the water pump, the thermostat.
and the ETS or engine temperature sensor mounted just above the thermostat in
the thernostat housing, to no avail, I still have the same problem. The only other
thing is the coolant level sensor in the radiator, which I haven't replace yet due
to the fact you have to pull the radiator in order to replace it, which is a major
undertaking. I have a low coolant indicator on all the time on the dash so I have
a pretty good idea the coolanat level sensor is bad. The coolant level is not low
so that sensor is not working as it should. I hope this may help with your problem.
To test you fan raise the hood when it is cold and top off the radiator and fill the
overflow tank to the cold mark. Start the car and let it idle with the A/C off and
see if the drivers side fans comes on. It will have to get to operating temp
before the fan will come on. If it doesn't come on replace the radiator low coolant
sensor on the passanger side of the radiator. If that doesn't fix the problem
replace the thermostat and the Engine Temperature Sensor at the thermostat
housing with an A/C Delco Engine Temperature Sensor. Good Luck..

Posted on Nov 11, 2008

  • 236 Answers

SOURCE: my 1998 buick regal non turbo 3800 radiator

the electric cooling fan for the radiator will not turn on when the engine reaches normal operating temp, its only supposed to come on if the engine temp goes over the normal temp. (around 220 degrees)
it is normal for the fan to come on any time the a/c or defroster is turned on.

Posted on Oct 13, 2009

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1 Answer

Where is the cooling fan thermostat on a 99 ford contour


The cooling fan is controlled by the coolant temperature sensor near the thermostat, and when it senses too high temperature of the coolant, it operates the fan relay.
Check the fuse for the cooling fan, the cooling fan relay, and the fan itself for proper operation. You can use a multimeter to see if power is getting to the sensor. If not, and you find the fuse is good, then you'll have to find the break in the wire.

Jun 11, 2014 | 1999 Ford Contour

2 Answers

Engine coolant fan wont come on. The fan motor is fine. whats next?


You still have many other components in that system that has to be in working order for the cooling fan to work properly. The cooling fan is turned on when engine temp reaches a predetermined temp, usually around 220-230 degrees F. the ECT (engine coolant temp) sensor siganls the ECM (Engine Control Module) to ground the cooling fan relay or cooling fan module(if equipped) and if the cooling fan fuse is good and the fan has power to it the realy will complete the ground for the fan to run. You may need to have a qualified technician diagnose the problem if the obvious things like fuses and good grounds are not the problem.

Hope this helps.

Oct 22, 2013 | 1999 Ford Contour

1 Answer

99 Ford Contour electric radiator fan won't


1- a/c compressor is on
2- coolant temperature signal is not reaching the pcm; fans on by default.
3- stuck fan control solenoid

Mar 09, 2013 | Cars & Trucks

2 Answers

My cooling fan will not turn on. What could this be? I had someone tell me the water pump, but it does not leak.


Step 1:

This cooling fan circuit has 2 cooling fans and 2 cooling fan relays, both cooling fan relays are located in the BJB (battery junction box, underhood fuse box) there is a low speed or main cooling fan relay in cavity location # K-46 and the high speed relay is location # K-47! Also check the main cooling fan power fuse # 2 in the same BJB, The fuse is a MAXI-FUSE (large one) it is blue in color and is rated at 60amps!

Step 2:

Also check the coolent tempature sensor thats what signals the fan to turn on.

Step 3:

Do the fans turn on when you turn the a/c on. if not may have bad fan motor

Feb 27, 2013 | 1998 Ford Contour

1 Answer

1996 Ford contour engine cooling fan comes on high about a minute after starting car and wont turn off or slow down.


Well it could be a problem with the fan relay, or it could be a safety feature of the computer.
if the computer finds a problem with the cooling fan or the engine temp sensor, it will turn on the fan to try to prevent overheating. Even if the engine is cold.
If the check engine light is not staying on, I would check the fan relay for power and ground.

Feb 13, 2013 | 1996 Ford Contour

5 Answers

2001 Ford Taurus running hot


First thing to check when the engine is cold is that if there is enough antifreeze in the radiator and after you run the engine for about 5/10 minuter check both the rad hoses to see if they are both at the same temperature, if the return hose which is the bottom one is cold then replace the thermostat. If both hoses are hot or same temp then make sure the radiator fan comes on?

Jan 08, 2013 | 2001 Ford Taurus

1 Answer

Radiator fan switch or coolant temp sensor however it is called is not activating the radiator fan when temperature is high. . .iS THERE a way to by pass this switch or sensor so it can activate the...


CHECK COOLING FAN FUSE AND RELAY.IF ALL IS GOOD.HOT WIRE COOLING FAN TO MAKE SURE COOLING FAN MOTOR IS WORKING. IF COOLING FAN RUNS WHEN YOU HOT WIRE FAN MOTOR.CODE SCAN FOR ECM FAULT CODES.REPLACE THE ENGINE COOLANT TEMPERATURE SENSOR NO NEED TO BYPASS THE SENSOR.

Aug 22, 2011 | 2004 Suzuki Aerio

1 Answer

I have a 1995 Ford Contour SE, 2.5L. I have two questions - 1. The cooling fans are not currently working and 2. The in dash temperature gauge is at max temp, even when the engine is cold. Is there an...


Answer to second question: It appears that that the wire to the coolant Temp Sensor has developed e short to the chassis somewhere which is giving the Max reading on the guage. Check the wiring in the engine bay around the Thermostat area for chafing or if the wire to the sensor has become disconnected and is touching the engine. The cooling fans normally are turned on by another sensor either near the temp sensor or on the radiator. Check the wiring around those places as well.

Aug 18, 2010 | 1995 Ford Contour

2 Answers

Engine cooling fan not turning on.


actually the contour and mystique both have this problem they tend to overheat and ruin engines and transmissions when the fan quits working the best fix is a kit you get from ford or advance auto parts it makes the coolong fan run all the time the engine is on and this will save you lots of problems in the future, not only am i a master automotive tech but i have owned 6 of these cars. the 96 mystique beng my favorite. mercury version. good luck james

Jul 03, 2008 | 1996 Ford Contour

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