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Old 02-01-2014, 02:47 PM
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Trans trouble

I have a stock 04 f250 randomly at about 40-50 mph i get a jerking feeling out of the transmission. There are codes it almost feels like its going into to high of a gear then back out
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Old 02-01-2014, 03:17 PM
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you will want to post those codes
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Old 02-02-2014, 04:11 AM
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Type o should have read no codes
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Old 02-05-2014, 08:44 AM
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I am having the same issue. Did you happen to find out anything about this??
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Old 02-05-2014, 05:27 PM
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Nope still doing it. It might not happen for a week then drive it for an hour & it does it a couple of times. Im think it could be a converter look up issue but not sure.
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Old 02-06-2014, 05:10 AM
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Have you changed both filters and fluid?
Same issues here. No codes. Changed fluid and both filters.....NOT GOOD.
That did however, buy me time. It got to the point of flashing tow/haul mode and wouldn't even hold OD on the hwy if it did manage to shift into it. Would go into OD, but slip no matter how light on the gas.
Now, after the change and it was nasty with burnt up clutch goo. It shifts all gears and hold OD. It does hiccup here and there but at the end of the day i'm sure I burnt up some clutches by continuing to drive it.
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Old 02-06-2014, 03:39 PM
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After you changed fluid & filters the problem went away? I have read that the trans is very sensitive to fluid loosing viscosity.
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Old 02-06-2014, 03:47 PM
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it's all those precision solenoids that don't like fluid issues
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Old 02-08-2014, 06:50 AM
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Quote:
Originally Posted by chris1106 View Post
After you changed fluid & filters the problem went away? I have read that the trans is very sensitive to fluid loosing viscosity.
For the most part they went away. I get the odd hiccup from 3rd to 4th/5th (depending on trans temp). It's a slip until I let off abit to allow it to find the gear. After driving for 3 or 4 full shifts (start/stops) the hiccup goes away. Just to see how well it's holding I drove it hard the other night. No issues shifting and holding all gears until the next morning. The slip was back for the first few 3-4(5) shifts then ok after that.
I know I did damage, I still have no codes, no blinking tow/haul anymore. I'm pretty sure a trans is in my near future. The fluid from my last change was black and external filter was plugged solid. Internal was pretty bad as well.

On a side note, I have noticed the temp guage jump around. By the time it catches my eye and I look at it, it's back to normal. I notice nothing on the monitor. I should mention I still have P1000 code since eliminating the Banks 6gun from system. I'm sure with more driving that'll go away.
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Old 02-09-2014, 04:03 AM
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Changed out both filters & pulled the pan yesterday ATF didnt really look that bad no burnt smell & filters were pretty clean, the magnet had very little material on it maybe a 1/32 of an inch, it had no metal on it. going to take it for a drive this morning. Thinking of swapping the fluid again in a thousand miles or so just to get some more of the old stuff out.
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