Trans shifts hard and early - Ford Powerstroke Diesel Forum
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Old 05-05-2012, 03:58 PM
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Trans shifts hard and early

Hey gents my truck is stock just a few mods no chip. Anywho the truck shifts way rough if I get on it (worse when its fully warm) and shifts early when pulling and sometimes driving around. Friction reducer helped I plan on flushing it and running stabilizer and a better atf any suggestions on what's up and what atf to run.
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Old 05-05-2012, 03:59 PM
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I'd just run plain DexIII. That's what I have and it's fine.
You sure you don't have a valve body or a poorly done shift kit?
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Old 05-06-2012, 06:29 AM
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I didn't know where to check first but ill start there. Hope it isn't the torque converter
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Old 05-06-2012, 09:08 AM
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I'd pull the trans pan and look at the valve body. Might have to pull it to see if it's diff than stock.
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Old 05-06-2012, 09:42 AM
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Really? Why would any one want a truck to shift like that? What if they put a aftermarket valve body in but left the factory shift kit would that do it
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Old 05-06-2012, 11:25 AM
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Smooth, long shifts mean prolonged clutch slippage, more heat, and clutch wear.
Firm, fast shifts mean less of all that. Which sounds better?
An aftermarket VB is just professionally done, where as a shift kit is a little bit less in depth and not always done by a pro.
There is no 'factory' shift kit. Just the factory VB or one with a shift kit installed.

Now you say it shifts harshly, but it's very objective. I might think it's perfect, or really does have something wrong. No way to know.
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Old 05-06-2012, 11:35 AM
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mabey try to disconnect the battries and do the relearn procedure . i do belive the 4r110 has this option . and its free to try ...
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Old 05-06-2012, 11:37 AM
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Quote:
Originally Posted by turbotibbo View Post
mabey try to disconnect the battries and do the relearn procedure . i do belive the 4r110 has this option . and its free to try ...
Worth a shot. It's not near as much a relearn as 6.0s + or 5R110s + but it does act different once reset.
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Old 05-06-2012, 02:21 PM
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How long do I leave the batteries un connected. Well it shifts it I imagine my tranny mount breaking and bell housing bolts shattering and my trans falling out lol. Ill def try both. Thanks for the help dudes
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  #10  
Old 05-06-2012, 02:52 PM
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Just leave out unplugged 15 mins maybe and turn the key on so it drains all the power

I made my Samsung SGH-I997 send this.
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