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Old Jan 15, 2013 | 07:25 PM
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overheating problem

I have a 2003 f250 5.4.....my problem is, my temp sensor gauge will shoot to hot will go into safe mode and blow coolant out of reservoir tank.now I do get smoke behind truck but I don't know if it's outta tailpipe or just coolant hitting exhaust.well all this happens I'll turn my truckoff then back on n it will be fine.this happens bout once a week.
 
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Old Jan 15, 2013 | 08:03 PM
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Originally Posted by Sickler1
I have a 2003 f250 5.4.....my problem is, my temp sensor gauge will shoot to hot will go into safe mode and blow coolant out of reservoir tank.now I do get smoke behind truck but I don't know if it's outta tailpipe or just coolant hitting exhaust.well all this happens I'll turn my truckoff then back on n it will be fine.this happens bout once a week.
There was just a thread in the excursion forum and the guy had the exact same symptoms. It was his thermostat and what we learned from that thread is only replace it with a genuine ford stat.
 
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Old Jan 15, 2013 | 08:25 PM
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Well being Ford t-stats are made by the same company that supplies most part houses that's not always the case. Could be he just got a bad one.

I've replaced a handful of temp sending units with these symptoms and have done t-stats as well. Could be either one...
 
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Old Jan 15, 2013 | 08:32 PM
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Originally Posted by Bigpipes 35
There was just a thread in the excursion forum and the guy had the exact same symptoms. It was his thermostat and what we learned from that thread is only replace it with a genuine ford stat.
I did put a new failsafe thermostat in...think I should put a factory one in?
 
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Old Jan 15, 2013 | 08:36 PM
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You can try it. The failsafe brand is not good. It's an import one, and have problems. Get a Stant branded one, or OE. Same thing...
 
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Old Jan 15, 2013 | 08:51 PM
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Originally Posted by dlibson
Well being Ford t-stats are made by the same company that supplies most part houses that's not always the case. Could be he just got a bad one.

I've replaced a handful of temp sending units with these symptoms and have done t-stats as well. Could be either one...
If I remember correctly he put in 3 or 4 aftermarket stats all of which were different manufactures and they all failed. He put in an oem one and problem solved. Thats enough evidence for me to to not waste my time on a parts house stat.
 
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Old Jan 15, 2013 | 08:53 PM
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Originally Posted by Sickler1
I did put a new failsafe thermostat in...think I should put a factory one in?
Without a doubt...
 
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Old Jan 15, 2013 | 08:55 PM
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Old Jan 15, 2013 | 08:58 PM
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Originally Posted by Bigpipes 35
If I remember correctly he put in 3 or 4 aftermarket stats all of which were different manufactures and they all failed. He put in an oem one and problem solved. Thats enough evidence for me to to not waste my time on a parts house stat.
That could be depending on where they came from. I use nothing but aftermarket Stant in anything. Being a mechanic, I do a few too. But the Advanced and AutoZones of the world use garbage. If you buy a good one, it's likely from an OE supplier anyways.
 
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Old Jan 15, 2013 | 09:05 PM
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Here is the post I was thinking of. He shows the diference in the stats and does a boil test on them as well. Update; Radiator spewing and limp mode fixed, with pictures.
 
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Old Jan 15, 2013 | 09:09 PM
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It doesn't even look like the right t-stat, that aftermarket one. Wonder what brand it was?
 
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Old Jan 15, 2013 | 09:13 PM
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Originally Posted by dlibson
It doesn't even look like the right t-stat, that aftermarket one. Wonder what brand it was?
I am not sure on the brand, this was a very long thread and he posted about the problem at least 3 times. If I get really bored tonight I will try to sift through his posts and see if I can find a brand.
 
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Old Jan 15, 2013 | 09:15 PM
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I can imagine! No worries on finding it, not a huge deal just curious.

To the OP, sorry for the thread hijack! LOL
 
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Old Jan 15, 2013 | 09:56 PM
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Originally Posted by dlibson
I can imagine! No worries on finding it, not a huge deal just curious.

To the OP, sorry for the thread hijack! LOL
No biggie...just hoping it's my thermostat
 
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