help with zf
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Senior User
Joined: Dec 2009
Posts: 171
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help with zf
well i bought a 2wd for my 2wd f450 but now that i'm down to it damn thing is different.
So is this 2wd set up the same as a 4x4 zf or is it a whole different entity altogether. I'm pissed. damn u ford!!!!!!!!
So is this 2wd set up the same as a 4x4 zf or is it a whole different entity altogether. I'm pissed. damn u ford!!!!!!!!
Logistics Pro
Joined: Sep 2007
Posts: 3,737
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From: Western Mass
Whats wrong with the current transmission?
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Senior User
Joined: Dec 2009
Posts: 171
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grind going into reverse unless i let the pedal up just until i hear idle drop hold it for 5 seconds at that spot then it will go in. Sometimes it will go in without grinding witout holding the pedal. im thinking synchos
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Logistics Pro
Joined: Sep 2007
Posts: 3,737
Likes: 179
From: Western Mass
Could be synchros. How does it do with the other gears? Its also possible something in the clutch is dragging and still spinning the input shaft. My truck had issues shifting into first and reverse, turns out The pilot bearing was shot and the input shaft was dragging on it spinning all the time.
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Joe Kucinski
Senior User
Joined: Aug 2010
Posts: 399
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From: Central, Florida
Wow, talk about some mis-information. The F-Superduty transmission IS a 4x4 ZF trans. Unbolt the parking brake assembly that is currently on there and bolt on your transfercase.... Some peoples' kids I swear. 
Take it from someone who has done the F-Superduty ZF swap more than twice. Yank that parking brake off, bolt your transfer case on and slap that bad boy in there! 
Take it from someone who has done the F-Superduty ZF swap more than twice. Yank that parking brake off, bolt your transfer case on and slap that bad boy in there!
Posting Guru
Joined: Feb 2011
Posts: 2,216
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From: Princeton MN
Wow, talk about some mis-information. The F-Superduty transmission IS a 4x4 ZF trans. Unbolt the parking brake assembly that is currently on there and bolt on your transfercase.... Some peoples' kids I swear. Take it from someone who has done the F-Superduty ZF swap more than twice. Yank that parking brake off, bolt your transfer case on and slap that bad boy in there!
Take it from someone who has done the F-Superduty ZF swap more than twice. Yank that parking brake off, bolt your transfer case on and slap that bad boy in there! 
And its going in a superduty 2wd
Hotshot
Joined: Feb 2004
Posts: 11,697
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From: Marengo, Iowa
I would say you have more of a clutch problem than a transmission problem. I don't believe there is synchros on the reverse gears, usually isn't. The input needs to fully stop to be able to shift a non synchro'd gear, and it obviously is not if it is grinding.Either the clutch is somehow hanging up, or the hydraulic system is not fully extending.