Tranny Revs up at WOT - Ford Powerstroke Diesel Forum
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Old 05-01-2014, 10:57 AM
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Thumbs down Tranny Revs up at WOT

I own a 2004 Harley Davidson 6.0 F250, Just this past week the truck has been acting up, I have a Edge Evolution Tuner on it and a 4inch turbo back exhaust. When i drive normal and lightly on throttle it will shift perfectly fine but at any point if i go to 2/3 or just hammer down on throttle it will start going for about 2 secs or sometimes right away it will just rev all the way up, I don't think its the tranny, i was thinking more towards the torque convertor, but i'm really not sure. its almost like its in neutral all it does is rev max it but if i go back to light throttle it will shift and drive fine. also sometimes ill pull two codes :

P0766- Shift Solenoid D Performance or stuck off.

P2703- Transmission Friction Element D Apply Time Range/Performance.

But those codes very rarely will come up. Any feed back will be great.
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Old 05-01-2014, 11:03 AM
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Are you sure it's 2-3 not the 3-5 shift?

Common to get shift flare at that spot, and a go-go solenoid typically takes care of it.


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Old 05-01-2014, 11:05 AM
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oh by 2/3 i meant throttle wise sorry for the misunderstanding
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Old 05-02-2014, 05:41 AM
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I had a similar issue, a week later third gear went out completely for no apparent reason while i was cruising at 65 down the highway. Sorry to say it but I would start looking for a transmission
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Old 05-02-2014, 11:15 AM
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Quote:
Originally Posted by power43 View Post
I had a similar issue, a week later third gear went out completely for no apparent reason while i was cruising at 65 down the highway. Sorry to say it but I would start looking for a transmission

That's wurst case, I had a shift flare problem, and the new direct drive solenoid fixed it...10k miles ago


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Old 05-02-2014, 08:49 PM
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If youre getting the codes its already fried. I lost 4th, 5th, and reverse last weekend. You probably have a delay as well going into reverse sometimes. Start looking for a tranny. I did the direct drive solenoid too. It just bought me time. 100k miles and stock injectors. I started noticing the truck would violently downshift for no reason while driving down the fwy as well.

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torque converter, torque converter clutch, tranny

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