Shift kit or not?
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Shift kit or not?
I have an 02 F350 7.3, automatic tranny. Had it for 2 years now, since day 1 it's always seemed to shift "hard". Never any probs with it but I know it pulled a 5th wheel. How do I know it this truck has a shft kit in it?
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
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From: Grand Lake, La.
Welcome to FTE. If you are not familiar with the VB's in these trans there is no way to know, because they use a stock VB to modify.
Does the truck have a power tuner/chip in it? If not, I doubt there is a custom VB in the trans.
Does the truck have a power tuner/chip in it? If not, I doubt there is a custom VB in the trans.
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Joined: Oct 2005
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I have to wonder about that. How many FACTORY firm shifting ford automatics have you EVER SEEN???? Me, I've only been around for 40+ years, and I have YET to see one. Ford seems to take great pride in having what to me are unacceptable shifts. Just the fact that it shifts firm says to me it's probably not factory.
Hotshot
Joined: Mar 2007
Posts: 10,101
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From: Pa
I never drove a Ford with firm shifts from the factory. I attribute the slow sloppy shifts to whiners who want every vehicle as smooth as your grandmas Lincoln. Anyone who spends a lot of time around transmissions should be able to tell you if the trans has a "Shift Kit" installed. Most guys swap the accumulator and you can usually tell if the accumulator is stock or not. I compared the FTVB to the my stock accumulator and there was a noticable difference visually. If the truck was used to tow a lot the PO could have gotten the VB upgraded. If the trans was rebuilt the rebuilder could have put a "shift kit" in during the rebuild. I know my local trans rebuilder installs shift kits and upgrades in every trans he rebuilds.
Junior User
Joined: Oct 2005
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I never drove a Ford with firm shifts from the factory. I attribute the slow sloppy shifts to whiners who want every vehicle as smooth as your grandmas Lincoln. Anyone who spends a lot of time around transmissions should be able to tell you if the trans has a "Shift Kit" installed. Most guys swap the accumulator and you can usually tell if the accumulator is stock or not. I compared the FTVB to the my stock accumulator and there was a noticable difference visually. If the truck was used to tow a lot the PO could have gotten the VB upgraded. If the trans was rebuilt the rebuilder could have put a "shift kit" in during the rebuild. I know my local trans rebuilder installs shift kits and upgrades in every trans he rebuilds.
and it shifts crappy, until you get on it...Far as servo's go, you got any idea how many different servo's ford makes for the same tranny??? Even the ford guys get them mixed up. I KNOW the 4r70w has so many that without a specific part # there's no telling what you'll get.
With the electronic controls now, shifts can be played with without opening the tranny. On mine, the solenoids have to be the same year as the computer....
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Great!! LOL. Im tending toward a malfunctioning tranny because it shifts normally for a short time after I clear the code, then the code reappears along with the hard shift. I do notice the tranny is stamped that it was made in 2004 and the truck is a 2001 model.....I bought the truck for $5700 so I expected I would have some work to do to it.......
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Junior User
Joined: Oct 2005
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Great!! LOL. Im tending toward a malfunctioning tranny because it shifts normally for a short time after I clear the code, then the code reappears along with the hard shift. I do notice the tranny is stamped that it was made in 2004 and the truck is a 2001 model.....I bought the truck for $5700 so I expected I would have some work to do to it.......
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