Ford F-350 Super Duty Problem Report

Ford F-350 Super Duty Coolant Leak from Radiator

(24 reports)

A coolant leak from the radiator can be caused by a defective thermostat bypass. This can cause pressure spikes in the cooling system, which leads to radiator failure. The thermostat assembly and radiator should be replaced.

Radiator leaking coolant from driver's side. unable to keep fluids at cool level on reservoir. -
Radiator leaking at only 54k miles! The Ford dealership said it is not covered under warranty even though they don't know what caused it and it seems to be a recurring problem with this model. Ford apparently has issued a TSB for the 6.4L with same problem extending that warranty to 5/100 but not for the 6.7L. Why not? Same issues! Very disappointed in my last couple of Ford trucks. I have a hard time paying close to $70,000 for a vehicle and having to replace the radiator at only 54k miles. I have bought many Ford trucks over the last 30+ years but this could be the last. -
WAS TOLD DURING A REGULAR OIL AND FUEL FILTER CHANGE THAT I HAD A LEAK IN MY RADIATOR AND IT WOULD BE &1600.00 TO REPLACE IT . ASKED WHERE THE LEAK WAS AND WAS TOLD IN A SEAM AND THAT WAS A COMMON PROBLEM. I SAID IF IT A COMMON PROBLEM WHY NO RECALL AND SERVICE MANAGER SAID THAT IT WAS NOT A SAFETY ISSUE. NATURALLY I CAME UN-GLUED AND HE SAID HE WOULD CHECK WITH FORD TO SEE IF THEY COULD HELP OUT SOME--- WHICH I TOLD HIM THEY OUGHT TO REPLACE AT CLOSE TO NOTHING. HE ASKED IF I HAD EXTENDED SERVICE WARRANTY AND I TOLD HIM THAT A 2.5 YEAR OLD TRUCK SHOULD NOT NEED ONE ---- BUT I HAD BEEN THINKING ABOUT GETTING ONE BECAUSE OF PROBLEMS I HAVE HEARD ABOUT WITH THE TURBO GOING OUT AROUND 50,000 MILES. I'M SCHEDULED TO HAVE IT REPLACED THURSDAY AND THEY SHOULD KNOW SOMETHING BY THEN --- IF FORD WILL STEP UP AND DO THE RIGHT THING -
1600.00 to replace leaking side core of radiator. Should have bought a Chevy , this truck is low quality. -
This truck is on its third radiator, replace at 60 thousand miles . everything else seems to be fine Dwayne -
First leak at 75,000 Miles now again at 122,000 miles not covered under 200,000 mile warranty. Replaced first radiator at no cost to me minimal help with second radiator. Ford motor company aware of this problem but will not recall. -
Noticed small pool of A/F on drivers side. Took into Ford dealership said rad needs to be replaced @ $2200.00??? Seriously, you buy a $60K truck made out of JUNK. Ford knows there's a problem and Too Expensive to recall. -
Noticed a slight drip circle on pavement so when I took it into ford for an oil change they told me it would be about 2 grand to fix. Of course this happened right after warenty expired. A mechanic friend said its from using a plastic to aluminum sleeve of sort which has to great an an expansion rate difference. That's the best I can explain it anyway. Either way my bet it's a result of saving weight and cost with plastic or something. -
failed radiator, this is the second one I've had to replace -
Taken in for scheduled service. Service technician opened hood and stated that he smelled coolant and reported that the reservoir was empty. It was as if he expected to find that problem. Diagnosis revealed a seam leak on driver's side. Quoted $1800 for repair. Have since learned that this is a near universal problem. Will schedule repair/replacement soon. -
Radiator just started leaking at the bottom of the tank. -
Could not keep coolant in engine while pressurized, so I drove with the cap loose till I could get it to Ford. They replaced the Radiator and coolant. Then my EGR valve went. Not covered by my extended warranty, so they wanted $995.00 to replace, I purchased online for $167 motorcraft part. Put in myself. Stilll, would not run right. Now the Diesel Particulate Filter and sensor are bad. 82,000 miles. Chevrolet here I come, or Dodge. Ford Sucks. -
Radiator had to be replaced at 93k miles due to failure in the top drivers side section of the radiator. -
replaced front cover to stop coolant from getting in crankcase at 92000 miles had already been in shop on numerous time. At less than 105000 miles differential went out not covered under warranty .At lest than 140000 miles replaced front cover hipressure fuel pump and radiator. lest than 5000 miles later had to replace complete engine turbo included Truck has been in and out of shop since about 20,000 miles -
coolant loss -
the same as indicated above -
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