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engine overheating ford edge

rnorman rnorman
New User | Posts: 3 | Joined: 08/11
Posted: 08/24/11
06:37 PM

my engine is overheating on  my 2009 ford edge, it appears that the cooling fan is not working any ideas  

waynep7122 waynep7122
Addict | Posts: 4545 | Joined: 08/09
Posted: 08/24/11
06:59 PM

get out the owners manual...  find the fuse section.. check the fuses and maxi fuses..  look for rodent damage..

check codes...     look at live data with a OBD2 scan tool...

look at the coolant temp sensor reading.. is it accurate???
you might have to verify with an infrared thermometer ....

does the cooling system hold water??

does the cooling system hold pressure??

the fan is usually controlled through a relay or the constant current relay module (ccrm) by the PCM... i don't have a manual on the 2009 models..   so i don't know if they have changed it..   on the 2007 models.. there are 2 different fan controllers... one for edges with the factory towing package.. that system requires 2 fuses to operate the radiator cooling fans..

without the towing package. its only one fuse for both fans...

please test both ends of every fuse..  with the key on .. the test light should light up on both ends...

that is the first place to look at..

i will look around .. for more info

new cars almost always need at least a scan tool to examine the data to know what the PCM (engine computer is doing)  

rnorman rnorman
New User | Posts: 3 | Joined: 08/11
Posted: 08/24/11
07:10 PM

i have checked the fuse and had the same thought about rodent damage, as we live in the country, but the fuse is good and i saw not visible damage

i wil have to take to shop to have data checked i do not have a scan tool

yes system holds water and pressure

i appreciate your response  

waynep7122 waynep7122
Addict | Posts: 4545 | Joined: 08/09
Posted: 08/24/11
07:20 PM

additional thoughts..

do the fans come on when you turn the A/C to max cold...

that will sometimes activate the cooling fans on to cool the condenser ...  

rnorman rnorman
New User | Posts: 3 | Joined: 08/11
Posted: 08/24/11
07:23 PM

the fan on the passenger side is working its the fan on the driver side that is not comoing on at all  

waynep7122 waynep7122
Addict | Posts: 4545 | Joined: 08/09
Posted: 08/24/11
08:19 PM

well its not the fuse..   do you have the factory installed trailer hitch??????

time for a scan tool diagnosis...

i was having fun the other day on a friends OBD2 car.. i was manually controlling the cooling fans on and off manually with the scan tool for testing ..

this takes more than a generic scan tool usually..

you can access the full service manual online at   or     both have the info for a subscription fee.. you can get subscription kits for the site at autozone stores... they own alldata..    snap on owns mitchell and they have the and the ondemand system ..

since most of the stuff i work on personally is older than 2000.. i don't keep up with all the manuals...  when i see them i buy them..

somewhere in the owners manual.. page 248?????
fuse # 5 40A** Cooling fan (vehicles with trailer tow)

60A** Cooling fan (vehicles without trailer tow)

fuse #6 40A** Cooling fan (trailer tow only)  

Justin p34 Justin p34
New User | Posts: 1 | Joined: 05/18
Posted: 05/23/18
07:30 AM

so I have a 2011 ford edge limited 2wd and im having the same issues with my car overheating while ideling. it hold water and pressure but when I have my ac on max cool neither one of the fans come on.  

Just Try It1 Just Try It1
Moderator | Posts: 2796 | Joined: 08/14
Posted: 05/23/18
10:53 AM

Check for codes with scan tool..

there are 2 types of systems..  without towing package and with towing package..

check your fuses..  if FUSE F39 is a 60AMP fuse you don't have trailer towing package.. use a test light.. both sides of that fuse should have power all the time..

if your Fuse F39 is a 40Amp fuse.. you have a trailer towing package.. so with the test light.. check both sides of Fuse F39 and also Fuse F40 which will be 40Amp also..

these fuses are located in the Underhood fuse box near the battery..

both cooling system fan circuits are grounded thru ground connection G107...

there is a difference in how the fan controller and fans are wired also..

the Non tow package has a single connector in and a single connector out to the fans..

the Tow package has a single connector in and double connectors out to the fans.

i don't think these are inter changable.  so you must know which one you have..

chances are you have a bad fan controller.. if its more than a blown fuse or loose ground wire..

in looking around..  i have seen that you can by a complete radiator fan assembly for less than many parts stores sell the fan controller alone..  be sure the radiator fan assembly comes with the controller.  not all do..  

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