E4od rebuild
Thread Starter
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Cross-Country
Joined: Aug 2023
Posts: 60
Likes: 2
E4od rebuild
97 7.3. Gonna be putting together my first e4od rebuild. Everything ready for install. My question is once I’ve installed my rebuilt tranny what is the process after install? Just fill it and run it or??
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,731
Likes: 2,658
From: SE Florida
There is no break in procedure.
Put 8 quarts in the trans. Run the engine for 1 minute. Not 2. Shut it off and add 6 more quarts. Start it again and then fill until the dipstick is in the right range.
Put 8 quarts in the trans. Run the engine for 1 minute. Not 2. Shut it off and add 6 more quarts. Start it again and then fill until the dipstick is in the right range.
Thread Starter
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Cross-Country
Joined: Aug 2023
Posts: 60
Likes: 2
Rebuild trans installed but having issues
Installed transmission I rebuilt. Ats rebuild kit and transgo hd tugger kit.
After getting fluids in the hash marks and shift lever controls aligned transmission will not shift out of first. Reverse and drive work but it won’t shift. I pulled rear fluid line off while idling and it’s flowing atf. Idk what good flow is though. It’s not coming out like it’s high pressure but it’s flowing out. I swapped shift solenoid back to old one just in case that might be issue. My insight cts3 shows that it’s in P no matter what position shift lever is in and also when I drove it a couple hundred yards to test.
Not sure if electrical issue or pump issue or if I failed on some internals. I lean towards pump/torque convertor or electrical issue like the range position sensor. I’d be grateful for any guidance on what to look into next.
After getting fluids in the hash marks and shift lever controls aligned transmission will not shift out of first. Reverse and drive work but it won’t shift. I pulled rear fluid line off while idling and it’s flowing atf. Idk what good flow is though. It’s not coming out like it’s high pressure but it’s flowing out. I swapped shift solenoid back to old one just in case that might be issue. My insight cts3 shows that it’s in P no matter what position shift lever is in and also when I drove it a couple hundred yards to test.
Not sure if electrical issue or pump issue or if I failed on some internals. I lean towards pump/torque convertor or electrical issue like the range position sensor. I’d be grateful for any guidance on what to look into next.
Butt-Head
Joined: Apr 2004
Posts: 9,453
Likes: 2,936
From: Reed Point, MT
If the tramsmission data says you're in park, then the PCM will never command any shifts.
First and reverse will always work though because they are hydraulically controlled through the manual valve (the valve the shift lever hooks to in the transmission).
You need to figure out where the problem lies there.
First and reverse will always work though because they are hydraulically controlled through the manual valve (the valve the shift lever hooks to in the transmission).
You need to figure out where the problem lies there.
Thread Starter
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Cross-Country
Joined: Aug 2023
Posts: 60
Likes: 2
If the tramsmission data says you're in park, then the PCM will never command any shifts.
First and reverse will always work though because they are hydraulically controlled through the manual valve (the valve the shift lever hooks to in the transmission).
You need to figure out where the problem lies there.
First and reverse will always work though because they are hydraulically controlled through the manual valve (the valve the shift lever hooks to in the transmission).
You need to figure out where the problem lies there.
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Lead Driver
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From: Bahstun
yes it can be, does it start in P and N?
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Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,731
Likes: 2,658
From: SE Florida
The torque converter isn't involved with shifting, so you can eliminate that as a cause.
It isn't likely to be the pump if it works to go forward and reverse. If the pump were bad it usually won't engage any gear.
The range sensor could be the issue. Does it show Park in every position PRND321?
It isn't likely to be the pump if it works to go forward and reverse. If the pump were bad it usually won't engage any gear.
The range sensor could be the issue. Does it show Park in every position PRND321?
Thread Starter
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Cross-Country
Joined: Aug 2023
Posts: 60
Likes: 2
The torque converter isn't involved with shifting, so you can eliminate that as a cause.
It isn't likely to be the pump if it works to go forward and reverse. If the pump were bad it usually won't engage any gear.
The range sensor could be the issue. Does it show Park in every position PRND321?
It isn't likely to be the pump if it works to go forward and reverse. If the pump were bad it usually won't engage any gear.
The range sensor could be the issue. Does it show Park in every position PRND321?
Yes. Only shows park on my cts3 when in PRND21. On forscan just shows -.
Thread Starter
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Cross-Country
Joined: Aug 2023
Posts: 60
Likes: 2
Ok. Thanks. I ordered a new motorcraft range sensor. I’ll try that out and inspect wiring. Wiring harness was exposed for almost a month while I’ve been rebuilding transmission. Sensor was also exposed unplugged.