4r100 issue - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 07-22-2013, 05:52 PM Thread Starter
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4r100 issue

I have a 2002 f350 auto, started the other day, was leaving town and it didn't want to shift out of second, rmps kept going higher, i let off then it eventually shifted, and its just been getting worse from there in a matter of 3 days, now i cant go over 30 mphs, it might have been in second gear but seemed like it didn't even want to get out of first, i still have reverse, doesn't like to go into reverse when its warmed up. i ordered a new non stick 2-3 shift valve and a sonnax SC-4R100HD 4R100 Performance Pack, before i ordered that, i dropped the pan, no metal shavings just a little bit of gunk on the magnet,and took the three valve bodys off, didnt lose the check balls and i know where they go, I know what i am doing when it comes to vehicles but this is my first crack at an auto tranny, does anyone have pics of what the accumulator valves should look like, on the accumulator body i had two of the valves that were not closed, are they suposed to all be closed? and on the main body one of the valves has a spring going through the end of it, between the wall and the valve, where it looks like it should close, any ideas on anything or help? thanks
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post #2 of 2 Old 07-25-2013, 02:43 PM Thread Starter
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rebuilt the three valve bodys and cleaned them up, works and shifts good now
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