ZF6 3rd gear issue, PLEASE HELP! - Ford Powerstroke Diesel Forum
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post #1 of 4 Old 08-06-2013, 08:14 AM Thread Starter
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ZF6 3rd gear issue, PLEASE HELP!

Hey guys, just picked up a 2003 f250 7.3 zf6, works great got it for a good price due to some hopefully small issues.

First off, the truck had a dp tuner, straight pipe, volant CAI and an upgraded clutch (previous owner did not know brand)

My problem is, that my transmission will not go into third gear every time (although about 25% of attempts work fine, and while your in third there is no problem)

The feeling i get when i put it in third most of the time is almost like the gear isint even there, like its in neutral.

Have tried shifting with the clutch and without it, no difference.

Need some input, im stumped!


2010 F-250 Lariat 6.4
5" Flo Pro, H&S Mini max
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post #2 of 4 Old 08-06-2013, 08:22 AM
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syncros maybe??? I got a zf6, and my problems are "warmed up" related. Cant find L, nor 1st, and R, forgetaboutit.

99.5 x-cab 7.3l, 6spd, 161k miles.....
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post #3 of 4 Old 08-06-2013, 08:24 AM Thread Starter
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The thing is, im only having an issue with a single gear, are synchos not paired? Also if a synchro is bad it should shift with no clutch?


2010 F-250 Lariat 6.4
5" Flo Pro, H&S Mini max
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post #4 of 4 Old 08-06-2013, 02:29 PM
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Talk to Dan @ MidWest Transmisisons. When it comes to the ZF6 they know their stuff.

When mine needs a rebuild it is getting sent there.

Good luck!

Rascal
---------------
2000 F-350 XLT ECSB ZF6 4x4
38R+WW | Adrenaline HPOP | Optima | Ravelco | Mag Hytecs | Dynatrac | EBC | Strictly Diesel | AFE | Magnaflow | ISSPRO | DieselSite
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