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E4od transmission issues

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Old Oct 20, 2025 | 12:34 AM
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From: missippi
E4od transmission issues

So ive got a 91 f250 w/460 2wd. Trans was rebuilt or only clutches was replaced should i say. Now this may be a stupid question bc it sounds so obvious that its the pump but anyhow so itll drive pulls good in every gear has all gears although reverse does feel like its trying to go super fast! Then maybe 15 to 20 mins its quits pulling and starts making a funny noise and u have to cut it off and let it sit a min or 2 then it will pull again. Any ideas?
 
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Old Oct 20, 2025 | 06:41 AM
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Aerated fluid, plugged filter, 4x4 pan with a 4x2 filter come to mind first
Code check and a tear down second
 
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Old Oct 20, 2025 | 09:44 AM
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Originally Posted by Daniel S Brock
only clutches was replaced
No new piston seals? Only clutches?
While it was apart, did you do the air tests in each port to verify pistons seal correctly?
 
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Old Oct 20, 2025 | 09:48 AM
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Checking the fluid at operating temp is a good thing.

If it is good, as mentioned above, does the filter match the pan? A 4x4 filter won't fit a 4x2 pan, but a 4x2 filter will fit a 4x4 pan.
 
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Old Oct 25, 2025 | 06:35 PM
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From: missippi
Originally Posted by wwhite
No new piston seals? Only clutches?
While it was apart, did you do the air tests in each port to verify pistons seal correctly?
i didnt do the rebuild. The guy who rebuilt it did mention that he air tested it tho
 
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Old Oct 25, 2025 | 06:36 PM
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From: missippi
Originally Posted by wwhite
No new piston seals? Only clutches?
While it was apart, did you do the air tests in each port to verify pistons seal correctly?
Originally Posted by 1Butcher
Checking the fluid at operating temp is a good thing.

If it is good, as mentioned above, does the filter match the pan? A 4x4 filter won't fit a 4x2 pan, but a 4x2 filter will fit a 4x4 pan.
Thanks for that he did swap the pan with a pan that has a drain plug i wonder if its a 4x4 pan
 
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Old Oct 25, 2025 | 11:04 PM
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From: Mi'kma'ki
4R100 pans have drain plugs and are 4wd depth, requiring a 4wd depth filter. A re-builder would know to match the filter to a pan, one would hope though haha.
 
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Old Nov 2, 2025 | 05:49 PM
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From: missippi
Originally Posted by Daniel S Brock
So ive got a 91 f250 w/460 2wd. Trans was rebuilt or only clutches was replaced should i say. Now this may be a stupid question bc it sounds so obvious that its the pump but anyhow so itll drive pulls good in every gear has all gears although reverse does feel like its trying to go super fast! Then maybe 15 to 20 mins its quits pulling and starts making a funny noise and u have to cut it off and let it sit a min or 2 then it will pull again. Any ideas?
one key piece of information I should have included this truck did Drive fine for about 2 months maybe three I think after the rebuild after something happened and it quit pulling I had to turn it off for a few minutes at a time to get it home once I got it home I did several fluid and filter changes which is not cheap when it comes to these e40d's there's Big Shiny pieces of metal like something has come apart but like I said the transmission still pulls fine in every gear until it gets up to operating temp and it quits pulling even overdrive and Reverse is still there
 
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Old Nov 2, 2025 | 06:51 PM
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I don't know about everyone else, but I would not drive it until it just stopped running. Especially if you got shinny stuff on every oil change.
 
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Old Nov 2, 2025 | 07:17 PM
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From: missippi
Originally Posted by 1Butcher
I don't know about everyone else, but I would not drive it until it just stopped running. Especially if you got shinny stuff on every oil change.
right it is just parked at home it's been sitting for a couple two or three years now I was just trying to put it out there that it does have every gear I don't drive it cuz I'm afraid that it may burn the transmission up driving it the way that it is but that is what it does
 
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Old Nov 3, 2025 | 12:16 PM
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Big Shiny Stuff = it's coming out & apart, cause there's NO quick fix.

So, timeline is: truck sat 2-3 years, partial trans rebuild, 2-3 months use, fail?

Or all this happened 2-3 years ago & you just started trying to get it back to running?
 

Last edited by Scndsin; Nov 3, 2025 at 12:18 PM.
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Old Nov 3, 2025 | 12:49 PM
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Originally Posted by Daniel S Brock
e40d's there's Big Shiny pieces of metal like something has come apart
This is a hard part failure.

Pictures?

If not, it has to come apart again. There is nothing here that can fix it.
 
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Old Nov 4, 2025 | 12:00 AM
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From: missippi
Originally Posted by Scndsin
Big Shiny Stuff = it's coming out & apart, cause there's NO quick fix.

So, timeline is: truck sat 2-3 years, partial trans rebuild, 2-3 months use, fail?

Or all this happened 2-3 years ago & you just started trying to get it back to running?
all this happened a few yrs ago i was just wanting to see if i could get it up and going again
 
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Old Nov 4, 2025 | 12:02 AM
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From: missippi
Originally Posted by wwhite
This is a hard part failure.

Pictures?

If not, it has to come apart again. There is nothing here that can fix it.
i figured :/
 
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Old Nov 30, 2025 | 11:19 AM
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From: missippi
Originally Posted by 1Butcher
Checking the fluid at operating temp is a good thing.

If it is good, as mentioned above, does the filter match the pan? A 4x4 filter won't fit a 4x2 pan, but a 4x2 filter will fit a 4x4 pan.
well you guys that fixed my truck that's been sitting for 4 years all because of a shallow pan filter in the Deep pan on a two-wheel drive truck the guy told me he put a drain pan on the truck for me because it did not come with one but he did not tell me that it was made deeper and I did not know the difference back then my old 91 is back on the road appreciate y'all guys feel pretty stupid for that one
 
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