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Old Dec 25, 2018 | 10:52 AM
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ederland1
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Transmission questions

I have a 1999 f350 5.4 4x4. So yesterday I was heading out to plow and noticed tranny was acting strange. I got to the property to plow and it was takin a bit to catch in reverse and progressively worse until it wouldn't move any more. I noticed that every swipe I took and then put into reverse there was a splatter of tranny fluid. I got out and looked and there was a hole in one of the tranny lines. My question is. Did reverse just stop engaging cause of lack of fluid and pressure? Will the tranny be ok once I replace line and fill it back up with fluid? Any help would be greatly appreciated as this ruined my xmas eve and of course there is a snow storm coming tomorrow. Merry Xmas and thanks.
 
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Old Dec 25, 2018 | 12:58 PM
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Mark Kovalsky
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An automatic transmission uses fluid pressure to engage the clutches. If you run out of fluid there is no pressure to engage the clutches, so all you will have is park and neutral.

Is the trans fine? Possibly. If you had stopped as soon as you noticed something was wrong, then most likely the trans would be fine. Continuing to work it hard when something is wrong is a good way to ensure that you've trashed the trans. It's worth fixing the leak and filling the trans with MERCON V fluid to see if it still works.
 
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