Question about 2001 Dodge Durango

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Electric fan on radiator runs whenever engine is

2001 Dodge Durango electric fan on radiator runs whenever engine is running. Temperature gauge doesn't indicate engine running hot. Is there a relay or sensor that can be replaced?

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This is either a sticking fan relay or the sensor is in the thermostat housing, try the relay 1st.

Posted on Sep 28, 2009

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Where is the relay?

Posted on Mar 19, 2010

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Posted on Jan 02, 2017

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I have a 2001 mercury grand marquis ls. it overheats when im driving it but don't shows it on the temperature hand ..what is the problem ??


The temperature switch on the side of the upper radiator hose is not working. That is, if the engine is hot. Boiling over - need to check thermostat. Grab on to upper hose (should be hot) than with engine off, grab bottom radiator hose. It also should be same temperature as top. If so, thermostat ok. Electric radiator fan - turn Ac on. Fans should run. No, check fuses & relay. Mechanical fan - with engine off, the blade should be stiff to turn. Easy, replace fan clutch. Usually, low level of water is most common. Wish you well.

Apr 18, 2017 | 2001 Mercury Grand Marquis

1 Answer

How do I solve overheating?


First, find the problem.
When the engine is running, whenever it reaches the temperature of the thermostat, that thermostat is supposed to open, allowing the hot coolant to flow to the radiator, to maintain proper engine temperature.
The thermostat could be stuck closed, needing replacement.
Whenever the engine gets warm, there is also an electric fan in front of the radiator, to cool the hot coolant in the radiator.
This fan works off a sensor that is ******* into the engine block (whose function is to read the engine temperature) and sends an electric signal to the electric fan to start when needed.
The sensor could be bad, the fan motor could be bad, and there is a relay in the system that could be bad also.
God bless your efforts.

Sep 10, 2015 | 2009 Saturn Vue V6

2 Answers

Why is my 2001 cadillac running hot?


With the thermostat out you should see a lot of circulation. If not investigate water pump. Is the fan electric fan working? Bypass the relay and run the fan whenever the engine is running. If it doesn't overheat with the fan running then investigate fan control. make sure the coolant is topped off and use a thermometer in the radiator to verify temperature.

Sep 17, 2014 | 2001 Cadillac DeVille

1 Answer

Temp. guage indicates overheat 10 mins. from startup


Hi Reggie, I'm glad to help. TWO things I want you to check. ONE: You have changed out a lot of stuff, so you may have air trapped in the cooling system, you'll need to remove the radiator cap and let it run until your at operating temperture, while watching to make sure it doesn't overheat on your of-course. If after running the engine say 30 minutes and topping off the coolant if needed, it still runs hot. Move on to: TWO: If you have the electric fan, some do, some don't. If it is electric make sure the fan is coming on, if it doesn't come on then you have found your problem, replace the fan assembly. Hope this helps and have an awesome day Reggie!

Jan 09, 2014 | 1996 Jeep Grand Cherokee

2 Answers

2001 Jeep Laredo has 2 fans at the radiator - are both fans supposed to run all the time?


Hi,
The answer to that is NO!
There are two fan motors on that area. One is for the radiator cooling system and the second is for the condenser( Airconditioning system ).
The radiator fan starts/run when the engine temperature reaches a certain temperature( electric thermo switch on the radiator ), while the A/C fan starts whenever you switch on the a/c.
Hope that clears up everything.
Thanks for asking FixYa!

Aug 13, 2011 | 2001 Jeep Grand Cherokee

2 Answers

I have a 2001 4.7 SLT 2x4 Dodge Durango. Some time ago the car would overheat and spit water/antifreeze from the readiator cap over the battery. I replaced the radiator cap. A few weeks later, it...


if the fan electric fan is not comining on, you need to check the fan motor to see if your motor is bad on the fan. check it by running a hot wire directly from your car battery to the fan elecrtic plug.

Jun 20, 2011 | 2001 Dodge Durango

1 Answer

I have a 2001 Dodge Durango. The radiator fan continues to run after turning off the vehicle. I have disconnected the battery to keep it from draining the battery overnight. Is this a thermostat problem...


There is a coolant temperature sensor that signals the fan to come on at a certain temperature, the coolant temperature sensor is faulty, change it and you will have resolved the issue.

Apr 22, 2011 | 2001 Dodge Durango

1 Answer

I change thermostat radiator cap I flush the radiator and it still geting hot. I noticed something the fan don't turn on until it reaches the line in the half of the temp. Gauge and only is on for 40 secs....


CHECK COOLING FAN FUSE AND RELAY.IF BOTH ARE GOOD.HOT WIRE COOLANT FAN.IF FAN DONT RUN FAN MOTOR NEEDS REPLACING. IF FAN MOTOR RUN WHEN YOU HOT WIRE IT.YOUR FAN MOTOR ELECTRICAL WIRES DAMAGED OR HAS SHORTS OR THE COOLANT TEMPERATURE SENSOR FAULTY.

Jun 23, 2010 | 2001 Dodge Neon

1 Answer

2001 grand caravan overheating. then suddenly cool


Change your thermostat before it sticks closed completely. Sticky thermostat is usually the cause.
Another possibility is that your radiator fan temperature switch is going bad. This is usually located next to the upper radiator hose at the gooseneck on your engine where the thermostat is located.

Mar 10, 2010 | 2001 Dodge Caravan

2 Answers

2001 dodge durango temp. is high


use 50/50 mixture of coolant/water, use synthetic oil or no more than 5w 30. Change thermostat, make sure fans come on when idleing, otherwise change relay

Jul 09, 2009 | 1999 Dodge Durango

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