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Old 02-03-2011, 09:44 AM
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Bad New thermostats

Just wondering how often it happens. The frequency of installing a new Motorcraft poor performing thermostat.

When regular driving (in cool or cold weather it runs up to 194) but, My truck wont maintain 194 ECT when towing in cool weather. Dont think its a air lock cause all the hoses (that I checked), and degas tank are heatin up. I was Towing about 5-6 thousand pound gooseneck and favorited furry hooved riding pal, and EOT got up highest around 212, EOT got highest aroun 224.
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Old 02-03-2011, 09:46 AM
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How cold is the weather
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Old 02-03-2011, 10:06 AM
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Since I remember monitoring my 06, it runs right around 180. Too cold?

Adam
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Old 02-03-2011, 10:47 AM
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Quote:
Originally Posted by Dave View Post
How cold is the weather
It was the nicest day for sometime, outside temp about 50 degrees.
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Old 02-03-2011, 10:49 AM
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Quote:
Originally Posted by 89MustangGX View Post
Since I remember monitoring my 06, it runs right around 180. Too cold?

Adam
Adam,

From what I know, I'd have to say your thermostat is opening alittle soon, but it's not too far off. Most seem to have thermostats that operate between 185-194 degrees
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Old 02-03-2011, 11:13 AM
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The 6.0 Tstat partially opens at 182 degrees.
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Old 02-03-2011, 03:46 PM
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I got a "new" bad one. Wouldn't get over 183-186 when cold out. Now with a "new" replacment it runs at 192-196 in the same outside temps. I also got a "new" bad block heater in the same shot. At least I only had to drain the coolant once.
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Old 02-03-2011, 06:14 PM
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I'm planning on changing over to ELC, so I suppose I'll change the t-stat at the same time. See what I end up with then.

Thanks,

Adam
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Old 02-03-2011, 07:39 PM
Almostdunfukinwidit


 

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Quote:
Originally Posted by worldwide73 View Post
I got a "new" bad one. Wouldn't get over 183-186 when cold out. Now with a "new" replacment it runs at 192-196 in the same outside temps. I also got a "new" bad block heater in the same shot. At least I only had to drain the coolant once.
Just out of curiousity what where the ambient temps?
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Old 02-03-2011, 07:42 PM
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I'm running anywhere from the teens to 30s right now and before i changed... just changed it a week ago or so
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