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Old 07-02-2006, 06:30 PM
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Ford AOD shifting hard???

I have a 91 f 150 with a AOD transmission. The transmission tends to shift hard, and one in a while I'll be cruising on the highway and it will drop in and out of gear a few times ( happens real quick, will kick in and out 3 or 4 times and stop doing it then). I'm trying to fix it to sell it and put the money into my chevelle, so I want to keep the cost down and swapping out the tranny is something I want to avoid. Could this just be a valve body problem and would putting a new one in fix it possibly? aren't valve bodys easy to change out??? thanks a lot, Chris

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Old 07-02-2006, 08:07 PM
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My AOD jumped from OD down, then back up twice in about one mile. It didn't do it again for the rest of the 500 mile trip. I had the fluid/screen changed and it hasn't done it since.
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Old 07-02-2006, 10:51 PM
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I would check the TV cable adjustment.
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Old 07-03-2006, 12:04 AM
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Check and see if the plastic grommet where the TV cable hooks to the throttle lever is still there. If not, and the cable has come undone, it will make the transmission shift like it's lost its mind, and it will burn up the trans very quickly. It's a $3 part that will cost you $1000 if it breaks. Ford makes a brass replacement kit for passenger cars that might fit on a truck, but I don't know for sure. Pics and a part number for the car fix are here:
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