95 7.3 pad e4od hard shift - Ford Powerstroke Diesel Forum
 
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post #1 of 9 Old 01-14-2019, 02:58 PM Thread Starter
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95 7.3 pad e4od hard shift

Hello all. I have a 1995 f250 7.3 ps with the e4od. I had it rebuilt a couple years agao (the tranny). It only has about 10 to 15k miles on the tranny. I don't drive it all the time, but it always works for me. But it is hard shifting now. It started by doing this once in a while, but now it does it all the time. I really don't want to have to rebuild it again. How do I diagnose this problem? Thanks for any help!
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post #2 of 9 Old 01-14-2019, 03:02 PM
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Always start with the basics:

check the fluid for color/smell/level on dipstick.

if its brown change it, if it smells burnt change it-its a 50/50 it will help if it smells burnt though. If its low- add half a quart at a time and drive to get warm/re measure.

Tuning-does the truck has a chip/programmer in it?

if/when you change the fluid-look at it for metal

Do you have a overdrive light and does it ever flash?

-99 F250, 4X4, 6.0 trans cooler, 08 mirrors, 05 grill, AIS Intake, lvl kit, JW Vbody, cncfab hpop lines, WW2.

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post #3 of 9 Old 01-14-2019, 03:18 PM Thread Starter
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Sorry, I didn't mention. I did check the fluid, it is up to level and looks red and clean. Also no programmer, or chip. I haven't noticed the od light flashing! I will drive it tomorrow and check it! I don't know why I didn't think of that.
Thank you!
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post #4 of 9 Old 01-14-2019, 03:24 PM
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Sorry, I didn't mention. I did check the fluid, it is up to level and looks red and clean. Also no programmer, or chip. I haven't noticed the od light flashing! I will drive it tomorrow and check it! I don't know why I didn't think of that.
Thank you!
Its all good, been here too many times to count to seek advice. Also remember if you barrow a scanner. more cheapo units wont pull ford codes. So try to barrow a good unit from a buddy to see if you have any soft codes. (a diagnostic code that is there but doesn't throw a check engine light or service soon light etc)

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post #5 of 9 Old 01-15-2019, 10:47 AM Thread Starter
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Ok! So I warned her up and took her for a ride. Just a pre note: I haven't taken her for a drive in a couple weeks since the hard shifting. The ride today went smooth. No hard shifting. I shut it off about 12 miles down the road. Started back up and returned. No hard shifting. No of light flashing. I put the scanner on and could not pull any codes. (Snap-on solus pro) I am not sure if this truck can give info to the scanner about the transmission?. So any ideas ? I don't want to start driving it again and it starts hard shifting when I am too far away!
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post #6 of 9 Old 01-15-2019, 11:06 AM
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Try adding Lube guard trans additive. Red bottle for that trans. Many trans shops recommend this additive, especially for the e4od.
I have used it for years.
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post #7 of 9 Old 01-17-2019, 06:10 AM Thread Starter
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I drove it again, and seems to shift fine! Not sure what would have caused the hard shifting. I went through the wiring last night to look for chafing, but couldn't find any thing. I guess I have to wait for it to happen again!
Thanks for the suggestions!
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post #8 of 9 Old 01-17-2019, 07:29 AM
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I drove it again, and seems to shift fine! Not sure what would have caused the hard shifting. I went through the wiring last night to look for chafing, but couldn't find any thing. I guess I have to wait for it to happen again!
Thanks for the suggestions!
Could always unclip and clean wire clips and add some di electric grease to prevent moister/corrosion. You don't have led tail lights do you? There are folks having strange issues on the 7.3ls after adding led rear light because of some wire related to the transmission.

-99 F250, 4X4, 6.0 trans cooler, 08 mirrors, 05 grill, AIS Intake, lvl kit, JW Vbody, cncfab hpop lines, WW2.

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post #9 of 9 Old 04-23-2019, 06:05 AM Thread Starter
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Sorry I waited so long to update!
So from what I found out from talking to a Ford tech. First off I have a couple major exhaust leaks. This in turn is not allowing the turbo to spool up. Then I have to push the motor to high rpm's to get up chills or such. The pcm is interpreting this as work mode so it tells the transmission to shift harder. Once it sits it goes back to normal. If I drove it easy it was fine. Since then I fixed the exhaust, and all is fine. Thanks all for the help!
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