Hard 2-3 Shift
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New User
Joined: Aug 2014
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From: Froest Grove, Oregon
Hard 2-3 Shift
Hi Friends! 
My '00 V10 4x4 w/ 163k miles has had a rough shift from 2-3 (30-40 mph) with high rpms. If I let off the throttle before the shift I can get it to shift smooth, but if I don't let off the throttle it can shift really hard. I only have this issue from 2-3 and it has not gotten worse since I bought the rig almost two years ago. Driving conditions are around town on occasion and for towing a 3k pound pop up. Maybe 2k miles a year so far? The hard shift happens whether towing or not.
I have done just a drain and fill on the trans fluid a year ago. Have not had time to change the filter (even though I have read it's not necessary). I am planning on doing another drain and fill soon along with the filter since I have one and cleaning out the trans pan.
When searching on FTE I read a post about the accumulator springs that can go bad and was wondering if maybe this is the problem?
Since I am planning on doing the filter change I was going to do the spring replacement while the pan was open. 
Can somebody with trans experience weigh in on this please? TIA.
My '00 V10 4x4 w/ 163k miles has had a rough shift from 2-3 (30-40 mph) with high rpms. If I let off the throttle before the shift I can get it to shift smooth, but if I don't let off the throttle it can shift really hard. I only have this issue from 2-3 and it has not gotten worse since I bought the rig almost two years ago. Driving conditions are around town on occasion and for towing a 3k pound pop up. Maybe 2k miles a year so far? The hard shift happens whether towing or not.
I have done just a drain and fill on the trans fluid a year ago. Have not had time to change the filter (even though I have read it's not necessary). I am planning on doing another drain and fill soon along with the filter since I have one and cleaning out the trans pan.
When searching on FTE I read a post about the accumulator springs that can go bad and was wondering if maybe this is the problem?
Since I am planning on doing the filter change I was going to do the spring replacement while the pan was open. Can somebody with trans experience weigh in on this please? TIA.
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New User
Joined: Aug 2014
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From: Froest Grove, Oregon
There is no issues with reverse and I have not done a complete fluid drain involving the TC. I just pulled the trans pan plug, drained and refilled. Should I do a complete fluid drain and fill?
Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,698
Likes: 2,620
From: SE Florida
Why would you only drain the pan when half of the fluid is in the torque converter? Cleaning the pan and changing the filter are a waste in my opinion, but to each his own.
What does the fluid look and smell like now? Red, pink, brown, or black? Oily smell, or does it have a burnt smell. I suspect a damaged direct clutch.
What does the fluid look and smell like now? Red, pink, brown, or black? Oily smell, or does it have a burnt smell. I suspect a damaged direct clutch.
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New User
Joined: Aug 2014
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From: Froest Grove, Oregon
only drained the pan before because being a newb I had not learned about the TC plug at the time and came across that bit of info later.
Talk to me about this direct clutch. Would I have to drop the trans for replacement? Should I take it to be scanned for codes?
I will check the fluid color/smell when I get home.
Talk to me about this direct clutch. Would I have to drop the trans for replacement? Should I take it to be scanned for codes?
I will check the fluid color/smell when I get home.
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New User
Joined: Aug 2014
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From: Froest Grove, Oregon
I really appreciate your help Mark. I am a mechanically inclined newb who isn't afraid of tackling anything if I know what I am getting into.
I came across this video while researching:
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Frmr Ford Trans Engr
Joined: Aug 1999
Posts: 24,698
Likes: 2,620
From: SE Florida
If the problem is a sticking accumulator you can remove the pan, remove the accumulator body, and fix it.
My educated guess is that the direct clutch itself has a problem. If you can get that clutch out without removing the transmission from the truck you're a world class magician.
My educated guess is that the direct clutch itself has a problem. If you can get that clutch out without removing the transmission from the truck you're a world class magician.
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New User
Joined: Aug 2014
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From: Froest Grove, Oregon
Took the rig into the local dealer today. They scoped it and scanned for codes. They think the valve body is suspect. Possibly a shift kit was installed. Quoted me $500 to pull oit the valve body and check it out.
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