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Temp gauge goes to hot

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When towing a load up a grade.

'08 550 LWB dump.

Requires T-Stats, as EOT climbed to 265+ dgrsF

I was able to verify the concern with the customer today while he was pulling his mini excavator.

I will take pics tomorrow morning.

Wait till you see what I found!!!

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  • 8 months later...

i have a truck doing the same thing, and fmcdealer is down, what have you found on this? was the tstats the problem with it? i found on mine that the engine temp gauge will go to hot and the ect will stay at 204 while the eot will goto 260+. when the eot will got below 259ish the gauge starts to drop. thanks for your help...

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yeah i was checking off my lap top, the fan clutch is not engauged at all, and i dont have a laser temp probe... but i have noticed that the fan clucth will cycle on and off as normal.

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One thing I see a lot is blocked off air flow through the cooling stack.... You HAVE to look at the radiator since everything else will look good.

 

Overheating under a pull can have only so many causals.... Stephen... I recall you sayng something about a picture?

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Quote:
One thing I see a lot is blocked off air flow through the cooling stack.... You HAVE to look at the radiator since everything else will look good.

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The engine blew up in this one, not sure why. <snickers>
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