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I'm backing my 10K 5er up an incline and into an not very level campsite this past weekend. After multiple attempts (not much access plus my limited 5th wheel backing experience), my tires are lossing grip on the pavement. I finally look down to what I later calculated as about 3 quarts of transmission fluid on the pavement. I didn't notice what the transmission temp was at that very moment, but just before and a little while later it was fine. After replacing the aformentioned 3 quarts of fluid, everything seems to be working fine.
Is that the case, or is something terribly wrong with my transmission?
Don't ask about the '08 Dodge 2500 that finished putting my trailer in the site! It was a 4X4 and he used 4L.
I posted this on the Superduty forum page as well.
And for those not wanting to go over there, this very same topic was addressed a few days ago, and Mark mentioned that when backing up large loads in these trucks, the torque converter can get pretty hot.
When the trans leaks out of the front after working hard it's because the torque converter overheated. The hub seal softens when it gets hot and leaks. Once it cools down it usually will reseal. After several cycles of this the seal won't work anymore and it will leak all the time.
More trans cooling will help. If you don't have a trans cooler in the radiator, get one. Reversing with a load, uphill, is where the radiator cooler is needed most. Also, a cooler from a 6.0L truck will help a lot with trans/torque converter cooling.
Using 4 low will also take a lot of load off of the torque converter.
Just to tidy things up for future searches. Thanks for the info Mark.
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