Transmission leaking - Ford Powerstroke Diesel Forum
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Old 04-09-2013, 04:22 PM
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Transmission leaking

I have a 2002 f250 cc 4x4. I am running TW tunes with exhaust. Everything else stock on the truck with 184,000 miles.

Bought my first fifth wheel and was towing it home yesterday (about 200 miles) in the heavy tow mode. I was watching the stock transmission temp guage which showed that the trans temp appeared to be ok. I do not have any gauges on my truck (yea, I know that was pretty stupid, but no one ever accused me of being smart). I stopped for diesel and noticed that I was leaking from the front of my transmission. Transmission never showed any signs of a problem and appeared to be running good.

It only leaked a quart or two of fluid. I put more fluid in and completed the trip. The transmission has not leaked since I stopped and let it cool down.

From what I have already read I am guessing that I overheated my transmission either because my cooler is not working properly or because of some other issue.

Is it possible to overheat the transmission and the temperature not show on the stock gauge? I would assume if it got really hot the gauge would have showed that.

I am already looking into getting installing a 6.0 cooler on my truck.

Any advice would be greatly appreciated.
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Old 04-09-2013, 04:47 PM
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The cluster gauge is a joke. I don't know what temp it starts to move past "normal", but mine is "normal" from ~80* - ~180*. The needle shows a very fast warm up, and then it stays. I actually started paying attention to it because I thought the cluster unit may have gone bad, as I never saw it move. I would glance down shortly after leaving the house and it would be warm...
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Old 04-11-2013, 03:55 PM
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Trans has a defective front seal. It's a grey silicone. Have it replaced with a blue or black one. Its made from better material.
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