Shift on the fly not working
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Senior User
Joined: Apr 2007
Posts: 302
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From: Backwoods Near Pittsburgh
Shift on the fly not working
I just noticed that my shift on the fly doesnt work...I noticed because i took te back driveshaft off and had the truck in 4x4 AND ABOUT GOT RAN OVER!!!!! I had to stop the truck by pushing back on it before it crushed my dads 05 ranger..
Anyways when i manually lock in the hubs my 4x4 works, but not when i shift on the fly...What could be broke and how do i go about fixing it?
Anyways when i manually lock in the hubs my 4x4 works, but not when i shift on the fly...What could be broke and how do i go about fixing it?
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
I had the same problem on my 01', it turned out to be a vacuum hose at one of the wheels. Check for a broken hose or one that is dry rotted. Dealer said that was a common problem. You may have more problems than this. Good luck.
Posting Guru
Joined: Aug 2005
Posts: 1,768
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From: Central Alabama
Another option is to replace the factory hubs with the Warn Premium manual locking hubs (part# 38826). It takes about 30 minutes. Then plug the supply air line to and from the ESOF silenoid, located behind the passenger side battery mounted on the fender. You have to get out of the truck to lock the hubs but its reliable. Do a search on "Warn Hubs" and you'll get all kinds of information.
Postmaster
Joined: Jan 2004
Posts: 4,758
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From: colorado
Originally Posted by f350rebel
when i bought the truck the guy told me it had warn hubs, but i thought that the shift on the fly would still work with the warn ones.....
nope...if it has warn hubs they are manual only
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From: Backwoods Near Pittsburgh
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