Leaking Radiator on Ford Explorer

Average mileage: 86,905 (23,000–136,000)
3 model years affected: 2006, 2008, 2010
17 people reported this problem
12 people shared problem details
My 2008 Explorer radiator failed on its own. I later noticed that my fan will always run trying to keep up with the heat generated. I also had to keep topping coolant. On making a little research, i found out that its a common problem with 2006 thru 2008 ford explorer and so many people had replaced their radiator. The cost of doing this can set you back almost a thousand bucks. I did replace the leaking radiator along with the reservoir and the AC evaporator but i did something which put paid to the radiator ever busting again. i found out that the radiator cap is a very important part of the cooling system and its actually very important to the life of your radiator. I found out that the vapor return valve was stuck in the closed position. All i had to do was remove and gave it a thorough wash working the valve up and down. I later found out that my first radiator got busted due to a failed radiator cap which was not allowing excess vapor or steam back into the reservoir i.e. my radiator could not breath. So give your radiator cap a good wash today and you can save a lot on replacing your radiator.
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2006 Ford Explorer136,000
The problem started when I would hear a loud revving sound while driving. This would usually start after I've been driving, come to a stop then started driving again. It sounded like a jet engine. I would also note that my temp gauge would turn on and the light would go to "HOT" for about 20 secs then come back down. I did a little research on line and noticed others with the same problem and they ended up saying that it was a radiator problem causing the fan to go into overdrive to cool things down. I went out to check my radiator and sure enough it was almost bone dry and the coolant was almost all gone. (I had just topped these off 1 month before). Never saw any leakage which is why I never suspected the radiator. I've had the radiator replaced 3 times already and it looks like I'll be going in again tomorrow to have it done again.
2006 Ford Explorer64,446
I bought a 2006 ford explorer use in 2009 it 2013 and I had to change the thermostat housing a month ago because it was cracked! and leaking some where later I had to change the radiator because it was leaking antifreeze. This is driving me crazy please email if you have same issue hayneschristina@aol.com! FORD VEHICLES ARE GARBAGE YOU ASK ME I WILL NEVER BUY ANOTHER ONE!
2008 Ford Explorer86,000
Same as others..radiator has a small leak. All is still running fine. Replace plastic radiator at DEALERSHIP!! Next thing you know the engine overheats and water runs out. We get it back to the DEALERSHIP! They replace the thermostat. It is bad they say. Then it overheats again and my wife has to call the DEALERSHIP! who sends out a tow truck and provides us a rental car. Now the issue is a defective radiator they say. I think the old thermostat and the new plastic radiator were the problem. Why didn't they really check the thermostat and radiator? The service rep tech said this is a common problem with the Explorer so if he knew that why didn't he check it out thoroughly. I had a previous Explorer, 1997, that was just great. Yep, they saved weight at my expense and over $1,500 dollars and personal time...glad I wasn't on a trip far away from home. Please pass on to others.
2008 Ford Explorer90,000
Radiator began leaking and became unrepairable in a period of 2-3 days.
2006 Ford Explorer105,000
I recently had my third radiator put in by the dealership. When I got home this morning I noticed it leaking already!!! The dealership tells me this is an issue with this the 06. Of course it always happens after the warranty runs out. At some point you would think Ford might find a solution for the problem. If this keeps up I will have spent enough for a nice down payment on a new vehicle!!
2010 Ford Explorer85,000
noticed high revving after stops, looked it up on line changed the coolant cleaned the reservoir changed the radiator cap and thermostat noticed it was still leaking a bit finally had it start going into "hot" on heat gauge by the time I took it to the shop the thermostat housing was leaking as well as the radiator had the radiator replaced and the thermostat housing. Be sure to check not just the reservoir but the radiator coolant level Radiator repairman said its typical of Ford Explorer. Had a 95 Explorer in the past ran it over 170000 never had these issues only changed batteries starters and the alternator
2006 Ford Explorer92,000
coolant leak at bottom of radiator. ford said $640.00 to fix, just put in $400.00 on cracked exhaust manifold at local shop. been a ford guy for over 30yrs. maybe time to change brands, overseas model? ford has problems and not standing behind the product!
2008 Ford Explorer92,000
Radiator is leaking slowly from the bottom.
2008 Ford Explorer75,000
Replaced radiator
2008 Ford Explorer130,000
Trouble light, and Temp. gage spiked, pulled over to side of road ... white steam from engine compartment, and that famous smell. Leak from top of engine (2008 Explorer XLT, 4.0L V6), oh no, not simple hose or radiator ... my free road service from AMEX towed truck to my friend's shop. Half expecting "junk the truck" verdict. Turns out the plastic thermostat housing cracked, replaced both upper & lower housing, told my friend ... go hog wild, flush the system, new cap (it was getting crummy)' hoses, thermostat, antifreeze ... $500.00 later (cheap with the hoses for the Aux. heater in the back, I had a virtually new cooling system. I FORGOT THE RISK YOU UNDERTAKE WHEN YOU FLUSH THE COOLING SYSTEM ON A 100,000+ mile vehicle. Oh well, now the radiator leaks, so what's another couple of hundred. Ordered the radiator thru my friend, but put it in myself, don't want to abuse the friendship too much, plus I fix all his computers ... so I know what's coming.
2008 Ford Explorer78,000
AFTER REPLACING THE RADIATOR ...BLAHHHHH ...., GUESS WHAT ...MY POWER TRAIN FAILED ....---MY CAR DIED ON THE RD...WHILE I WAS MOVING AT 30MPH ---DID NOT EVEN STALL...--I WAS STILL UNDER EMMISSION WARRANTY THAT COVERS YOU UP TO 80,000....DEALER RESPONSE..., PART IS NOT MADE ANY MORE... COMPLAINT TO FORD OVER THE PHONE....SAME RESPONSE....COMPLAINT TO FORD OVER EMAIL WITH A SEPARATE COMPLAINT CASE NUMBER...I WAS TOLD A DIFFERENT STORY --PART NOT AVAILABLE FOR 3 MONTHS....---MAYBE... STILL NOTHING FROM FORD.....TRULY A HORRIBLE EXPERIENCE......THE FINE PRINT DOES NOT SAY "IMMEDIATELY"
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