Running a little "hot" after coolant flush. - Ford Powerstroke Diesel Forum
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Old 08-11-2013, 06:34 PM
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Running a little "hot" after coolant flush.

Recently I changed over from ford gold to the cat elc coolant. At that time I also did a restore full flush and back flushed the radiator, heater core and oil cooler. My delta was and still is well within the normal limits, typically 8 degrees on average.

My issue is this, prior to the coolant flush and changeover my ect's were 190-196 deg f. Post change the ect has risen to around 205 deg f under normal conditions and gotten as high as 216 while towing a 4k load. The ambient air temp has gone up a little from the upper 80's to the low to mid 90's here in Biloxi. The temp increase seems a bit high for the rise in outdoor air temp, is it possible that I have too much coolant and not enough water?

(The 216 deg ect was while using the canned sct tow tune. After loading TDP's tow tune the highest temp I saw was 209.)


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Old 08-12-2013, 09:38 AM
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Did you drain both sides of the block? If not then yoy might have more water than you think ( about 2 gal i believe) and might not be at 50/50. Below 50/50 you might have some cooling issues.
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Old 08-12-2013, 11:16 AM
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Quote:
Originally Posted by ajfrac View Post
Did you drain both sides of the block? If not then yoy might have more water than you think ( about 2 gal i believe) and might not be at 50/50. Below 50/50 you might have some cooling issues.
Yeah, i was going to say, maybe you accidentally added too much water.??
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Old 08-12-2013, 12:12 PM
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Elc coolant has be shown to run hotter in these trucks. The gold coolant does keep cooler temps than elc
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Old 08-14-2013, 08:30 PM
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Quote:
Originally Posted by ajfrac View Post
Did you drain both sides of the block? If not then yoy might have more water than you think ( about 2 gal i believe) and might not be at 50/50. Below 50/50 you might have some cooling issues.
No I only drained the drivers side. Didn't feel like pulling the starter to drain the passenger side.


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Old 08-14-2013, 09:49 PM
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Mine does the same. Especially if there is a lot of stop and go, ECT will jump to 203-208...never any higher, once i get going again, she will cool back down.
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Old 08-19-2013, 03:25 AM
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Originally Posted by kells17 View Post
Mine does the same. Especially if there is a lot of stop and go, ECT will jump to 203-208...never any higher, once i get going again, she will cool back down.
Mine stays in the 203-208 range with eot's 6-8 deg f higher. I think it may be just my timing and the weather. It was cooler yesterday and the temp was the lowest I've seen at about 194. Oat was only high 70's and rainy. It's been mid to high 90's here lately.


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Old 08-19-2013, 04:53 AM
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I wonder if the RESTORE had a issue with the thermostat? Anyway they are real easy to change out. Id give that a try.
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Old 08-19-2013, 05:50 PM
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Originally Posted by kinnisoj View Post
I wonder if the RESTORE had a issue with the thermostat? Anyway they are real easy to change out. Id give that a try.
I hadn't thought of that but it's worth digging into. I'll go ahead and replace the stat when I have a chance.


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Old 08-19-2013, 05:59 PM
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Quote:
Originally Posted by 04cr450 View Post
Elc coolant has be shown to run hotter in these trucks. The gold coolant does keep cooler temps than elc
really? are there any other instances of this?
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