2011 powerstroke odd shifting

[mcdaniel1991]

Hey fellas, so I have been noticing lately that every once in a while the truck is delayed into reverse. Then yesterday I was driving slowly out of a parking lot and it just went into nutral then I let off and it went back in gear.

I have also noticed hard shifts during low speeds.

Truck is tuned with canned mini max tunes.

Gear head mentioned a tsb covering similar issues but I called ford and they said i was not affected.


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[Jomax]

I've heard that's the start of the trans going... Sucks if that's true


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[mcdaniel1991]

I just find that hard to believe if the trans only has 68k on it and only tuned for the last 2k.


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[Codydiesel]

Have you retuned your truck to see if the issue goes away?

 

[mcdaniel1991]

Not yet, it's random. Like today it acted completely fine all day.


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[sootie]

Not yet, it's random. Like today it acted completely fine all day.


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my 2012 does the same thing...

 

[mcdaniel1991]

Do you just not worry about it? It drives me nuts.


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[sootie]

Drives me nuts too-for the minute I am not in a position to buy new tunes to see if that helps it. Fluid is clean as a whistle.

 

[Sterling6.7]

I would believe that it is a combination of the tranny itself and the fact that it is tuned. The more you beat on it, the more it will slip. I think the adaptive learning plays a part as well. Another real sign of damage is squalling on the 4-5 shift on heavy throttle.

 

[sootie]

I would believe that it is a combination of the tranny itself and the fact that it is tuned. The more you beat on it, the more it will slip. I think the adaptive learning plays a part as well. Another real sign of damage is squalling on the 4-5 shift on heavy throttle.

profound...

mine did it from day one of being tuned and does not get beat on or run on higher than stock power level.

 

[Powerstroke Man 6.4]

Same issue here with a 2011, fluid is also clean..

 

[Wemoy1]

I would believe that it is a combination of the tranny itself and the fact that it is tuned. The more you beat on it, the more it will slip. I think the adaptive learning plays a part as well. Another real sign of damage is squalling on the 4-5 shift on heavy throttle.

Mine does makes noise when in manual mode shifting from 4th to 5th. It also will do it from 3rd to 4th. I have heard it could be a selonoid problem or a relief valve in the valve body.

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[Sterling6.7]

Does it sound like tires chirping on the shift?

 

[KAC1023]

I got a 11' and mine shifts hard from 1-2 once in a while, all other shifts are fine. On rare occasions when braking it'll downshift hard around 17mph.