E4OD Trans questions - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 47 (permalink) Old 04-02-2017, 08:19 PM Thread Starter
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E4OD Trans questions

Hey everybody, so now that I have most everything on my truck buttoned up, I've put about 1500 miles on it, did its first oil change at 500, and it is officially broken it. The trans "supposedly" had about 5000 miles on it when i bought it from a friend that was parting out his truck, and i've put about 20,000 on it since then. My friend said it was "upgraded" but he lacks in automotive knowledge more than my wife... He didn't even know what they "upgraded"

So now with all my mods in my sig, I'm starting to feel something is up with the trans. Now i'm not smart with transmissions at all. Something I've wanted to learn for a long time. I know the basics, how a TC works, how a VB works, diffference between VB and shift kits, etc.

First thing i noticed was the 1st to 2nd shift under very light throttle is really abrupt and kind of "slams" into gear. Under a moderate acceleration to keep up with traffic, its smoother, but not crisp and clean.

The second thing i noticed that something was up, was when I was towing about 2500lbs with it last weekend, for a total of 520 miles. Some of which in some steep hills. Well 3 times out of this entire 520 miles, I was on flat land, no wind, and I would feel the trans downshift to 3rd, and right back to 4th. Within less than a second. Maybe the TC unlocking and relocking? I couldn't tell which, but it concerned me.

The third thing was today, I was out testing my new "Extreme" and "Hot Street" tunes from Swamps. It launches good from a stop, but it will burn rubber for a good 20 feet, then the whole truck will hop as it tries to get traction (now I know I need traction bars), then will shift to 2nd fine, not exactly quick, but how a stock trans would. But then the shift to 3rd was really dragged out, and i could feel it slipping, then would grab and keep going. It did this all 3 times I tried it.

The last thing is something its done since i owned the truck. My old trans did it and now this one has done it since i put it in. But it takes FOREVER to grab reverse! Im talking 4-5 seconds sometimes! I've been told by some this is normal? I cant stand it though!

Let me know what you guys think, if its time for a full transmission overhaul, or call JW or BTS and get a billet TC, or if I'm crazy and just drive it?

Thanks,
Daniel


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1996 Cali F350 CCFB, 7.3 PSD, 2wd SAS, w/ 378,000 miles.
New Motor at 352,000, DieselSite Legendary Trans at 356,000 and many more
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post #2 of 47 (permalink) Old 04-02-2017, 08:47 PM
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re: E4OD Trans questions

Stock tc were single disk if I remember correctly. Those being the first thing to go. Is the oil burnt smelling? Is there material on the drain plug?

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post #3 of 47 (permalink) Old 04-02-2017, 11:18 PM Thread Starter
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re: E4OD Trans questions

It's not a stock TC, as it has a drain plug on it, granted it came with the trans when I bought it so idk what it is.

There is no drain plug on the e4od. And all the fluid was just replaced when I put the new motor in, 1500 miles ago.


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1996 Cali F350 CCFB, 7.3 PSD, 2wd SAS, w/ 378,000 miles.
New Motor at 352,000, DieselSite Legendary Trans at 356,000 and many more
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post #4 of 47 (permalink) Old 04-02-2017, 11:58 PM
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re: E4OD Trans questions

Stock E4ODs had drain plugs in the torque converter.

Mark
Former Ford Automatic Transmission Engineer

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post #5 of 47 (permalink) Old 04-03-2017, 04:36 AM Thread Starter
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re: E4OD Trans questions

Really? The one that was in the truck when i bought it didnt have a drain plug, I just assumed it was factory? Must not have been, it did have 320,000 when i pulled it.


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1996 Cali F350 CCFB, 7.3 PSD, 2wd SAS, w/ 378,000 miles.
New Motor at 352,000, DieselSite Legendary Trans at 356,000 and many more
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post #6 of 47 (permalink) Old 04-03-2017, 11:04 PM Thread Starter
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re: E4OD Trans questions

Bump, anybody got any ideas?

I realize now there is a Transmission sub-forum that this should've been posted in.
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1996 Cali F350 CCFB, 7.3 PSD, 2wd SAS, w/ 378,000 miles.
New Motor at 352,000, DieselSite Legendary Trans at 356,000 and many more
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post #7 of 47 (permalink) Old 04-04-2017, 12:20 PM
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Re: E4OD Trans questions

A brand new trans should slam into gears under no load. Mine is brand new rebuild and does too. As far as the weird shift to 3rd and back to 4th I'm not sure. Under heavy throttle the shifts should be smooth. Mine smooth right out under load but light load shift the trans shifts so hard the entire truck shudders sometimes. My stock e4OD didn't have a drain plug on the TC. I don't think any 6 lug E4OD TC from the factory had them.

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post #8 of 47 (permalink) Old 04-12-2017, 01:47 AM Thread Starter
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Re: E4OD Trans questions

Hmm, i dont understand why a stock trans would slam into gear that hard? And i still dont know what I should do with this thing, with it slipping going into 3rd and long wait times for it to find reverse.

Any ideas guys?


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1996 Cali F350 CCFB, 7.3 PSD, 2wd SAS, w/ 378,000 miles.
New Motor at 352,000, DieselSite Legendary Trans at 356,000 and many more
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post #9 of 47 (permalink) Old 04-12-2017, 02:26 AM
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Re: E4OD Trans questions

speed sensor, broken wire to or from speed sensor, or even the cluster.
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post #10 of 47 (permalink) Old 04-12-2017, 02:38 AM
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Re: E4OD Trans questions

i have a few of these obs with e4od and all seem somewhat slow to go into reverse, i have a rebuilt one and it shifts perfect under every condition but is slightly slow to go into reverse other 2have over 300k and shift good. one transmission came out of another truck i had and shifted very weird weird got hot slammed gears od light would flash sometimes torque convertor would stay locked other times it would unlock at highway speeds i took my chances with it and swapped it into truck that needed transmission because it grenaded and that transmission has yet to fail or act like it did which led me to believe that it wasnt the transmission.
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