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Electric fans not coming on 2006 Grand Cherokee 3-7, overheating

The electric fans never kick in on my wifes 2006 Grand Cherokee. 3-7L. If the thermostat is no good, will that cause the fans not to work? I checked all the fuses. They are good.

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 119 Answers

SOURCE: overheating 2001 jeep grand cherokee

The electronic fan relay on this model fails very often, causing the problem you describe. I attached a picture of the location.459ebfc.png

Posted on May 22, 2008

wyatt1582
  • 453 Answers

SOURCE: Cooling fans will not kick in.

The fans won't kick on then you need to replace the coolant temp sensor this runs your fans.

Posted on Apr 22, 2009

glamarre82
  • 140 Answers

SOURCE: 2006 nissan maxima radiator fans not kicking on/overheating

CHECK THE FUSE BOX ON THE DRIVER SIDE UNDER THE HOOD. CAN BE EITHER YOUR COOLANT TEMPERATURE SENSOR NOT WORKING TO LET THE FANS KNOW TO TURN ON OR YOUR THERMOSTAT IS STUCK CLOSE OR THE FUSE FOR THE FAN MAY NEED TO BE REPLACED.

Posted on Jun 19, 2009

abauto
  • 353 Answers

SOURCE: 2005 chrysler 300c 5.7l v8 hemi.........over heating

The fans are turned on by the PCM, if the PCM is not telling the fans to turn on, they won't even if everything tests fine.

2005 Chrysler 300 V8-5.7L VIN H

Coolant Temperature Sensor/Switch (For Computer): Service and Repair
ENGINE COOLANT TEMP SENSOR
REMOVAL
The Engine Coolant Temperature (ECT) sensor (3) on the 5.7L engine is located under the air conditioning compressor. It is installed into a water jacket at the front of the cylinder block.
WARNING: HOT, PRESSURIZED COOLANT CAN CAUSE INJURY BY SCALDING. COOLING SYSTEM MUST BE
PARTIALLY DRAINED BEFORE REMOVING THE COOLANT TEMPERATURE SENSOR.
1. Partially drain the cooling system.
2. Remove accessory drive belt.
3. Carefully unbolt air conditioning compressor from front of engine. Do not disconnect any A/C hoses from compressor. Temporarily support
compressor to gain access to ECT sensor (3).
4. Disconnect electrical connector (2) from sensor (3).
5. Remove sensor (3) from cylinder block.
INSTALLATION
1. Apply thread sealant to sensor threads.
2. Install ECT sensor (3) to engine.
3. Tighten sensor to 11 Nm (97.3 inch lbs.) torque.
4. Connect electrical connector (2) to ECT sensor (3).
5. Fill the cooling system.

Posted on Sep 10, 2009

  • 1 Answer

SOURCE: 2001 Jeep Grand Cherokee Laredo- radiator fan

Remove right front headlight cut out the plastic right below where the headlight rest on. Just a 4"x4" square and take out the plastic there you will see the relay,2 screws and remove the relay. Patch the hole with duct tape and put the headlight back, no need to remove the grill or bumper.

Posted on Sep 10, 2010

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I need to locate the inlet heater hose on a 2006 Jeep GC 3.7L V6. both hoses seem to go to the same place.


Yes they do appear to go to the same place but it isn't. Water comes out of the engine from one hose and returns to the engine on the other.
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Electric fan wont kick in jeep over heats replaced thermostat and two sender units


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1 Answer

After changing the thermostat and water pump my 06 jeep grand cherokee keeps overheating


2 things.
Are the electric fans coming on?
You have a water flow problem.Either engine or radiator.These are the 1st 2 things to look at.
Barring head gasket problems(which is unlikely)I would get these things checked by a GOOD radiator cooling specialist.
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Oct 08, 2009 | 2001 Jeep Grand Cherokee

1 Answer

I have a 2001 Jeep Grand Cherokee that is overheating due to the fan not turing on. I have checked all of the wires (none pinched or broken), jumped the cooling fan, replaced the relay, checked the fuse...


have you checked the current with a test light? what about the temperature sensor? the fan will only come on when the temperature gets to a certain point.. try checking the temperature sensor, maybe plug came off, but you should get check engine light if that was the case. fan motor might have gone bad.

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2 Answers

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Driving down street with a/c on and the check guages light comes on. i stop pop the hood and notice the elec fan is not on. i go to autozone to run a quick diagnostic and the results come back and say i...


There is a recall on the electric fan. Contact your dealer. Also the solid state fan relay may be faulty or the fuse is blown. The fan relay is behind the front bumper cover.

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