Transmission warms before radiator - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 11-24-2012, 04:15 AM Thread Starter
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Transmission warms before radiator

I have an 09 F250 6.4L... Just noticed the transmission fluid temperature gauge heats up to normal operating temperature well before the radiator fluid... According to the gauges anyway. I would think the radiator fluid would heat first with the truck just idling. Is this normal?
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post #2 of 13 Old 11-24-2012, 05:43 AM
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My transmission also heats up before the coolant. I always assumued it's normal.

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post #3 of 13 Old 11-24-2012, 05:51 AM
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^ Ditto.

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post #4 of 13 Old 11-24-2012, 06:16 AM
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The gauge reading for the trans reads differently. I'll have to find the pic on the temps at what position again.


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post #5 of 13 Old 11-24-2012, 07:12 AM
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There is alot more coolant than trans fluid so yeah it makes sense.

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post #6 of 13 Old 11-24-2012, 07:36 AM
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Last edited by Jarrod B; 11-26-2012 at 04:06 AM.
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post #7 of 13 Old 11-24-2012, 08:54 AM
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Valid question. Mine does it too. Has always done it. Not sure if you noticed that you posted in the 6.4 section though.

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post #8 of 13 Old 11-24-2012, 09:33 AM
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If you are reading this from the factory temp gauge in the dash - its an idiot light at best.

(I have a 6.0L, but the same transmission) My dash gauge will show the transmission at temp within 10 min on a cold day, where the analog gauge will show maybe 110-120* when my coolant sits around 190*.

Check the numbers with an analog gauge or monitor.
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post #9 of 13 Old 11-24-2012, 12:30 PM
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Quote:
Originally Posted by CanuckF350 View Post
Valid question. Mine does it too. Has always done it. Not sure if you noticed that you posted in the 6.4 section though.
I didn't know that. The app doesn't show the section. My bad.


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post #10 of 13 Old 11-24-2012, 05:40 PM
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I can't stand the app just use safari on your I phone it's way better. That gauge is pointless like somone said mine does the same thing at 110 it shows its fully warmed up and 110 for coolant it's still by the c

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