98 Expedition rear end issues
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From: Tecumseh,MI
98 Expedition rear end issues
Bought a 98 Exp about 2 months ago and was told it had true posi traction in the rear. I am no mechanic, so I believed him. It grabs and squeals going slow around corners or in parking lots. I did a lot a searching on forums and decided to change the rear fluids and put the modifier in. I opened the rear and found the spider gears are welded together.
Why would someone do this? Now it's going to cost me an *** load of $$$ to get it fixed right.
Why would someone do this? Now it's going to cost me an *** load of $$$ to get it fixed right.
Last edited by Greenheadkiller; May 10, 2011 at 02:46 PM. Reason: spelling
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From: location, location
it's a common way to inexpensively lock the rear axle ( instead of actually installing a locker). These are commonly referred to in the 4x4 world as Lincoln Lockers ( as in Lincoln Welders)
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From: Chesapeake, Va.
"Lincoln Lockers" work just fine on the street and only make some tire noise when turning. They can be hard to control in snow and ice at times, for the inexperienced.
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From: location, location
It's really not that unusual. Like Mel said, they can make noise and will "hop" a little in turns on pavement, but so will any axle with an actual Locker installed.
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From: TN Foothills
Locker
I'm sorry I laughed. But thanks for posting the photo. The 50's comment was good. The lawsuit comment shows common sense. The bad part is you already put it in writing......the seller told you it was a true posi trac. The nut didn't lie! How does it drive in rain, slick pavement turning a corner????
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From: Chesapeake, Va.
With the pressed axle bearings and lock rings like those used through the '70s the big problem was with the axle pulling out if the rear was not perfectly in line with the chassis/frame. There was also the times when too many right or left turns would make the axle walk out of the housing. Don't ask how I know this, as it's still a painful memory.
That was the reason most race sanctioning bodies either outlawed them or required safety hubs.
That was the reason most race sanctioning bodies either outlawed them or required safety hubs.
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From: Chesapeake, Va.
I'm sorry I laughed. But thanks for posting the photo. The 50's comment was good. The lawsuit comment shows common sense. The bad part is you already put it in writing......the seller told you it was a true posi trac. The nut didn't lie! How does it drive in rain, slick pavement turning a corner????
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From: Southern Cal
So with all said above, why would anyone go to this effort to lock up the rear unless major off roading? I'm sure the owner didn't take it down to the drag strip, not to mention whether he could have even lit up the tires. NOT! To drive this regularly on the street makes no sense. Eating up tires, axles possiblly working their way out, stability on ice, etc? The posi traction will help with most off roading, just not the real tough stuff. It's definitely something that the seller should have clarified, if nothing else, but from a safety standpoint.
Postmaster
Joined: Jan 2009
Posts: 4,584
Likes: 3
From: Chesapeake, Va.
So with all said above, why would anyone go to this effort to lock up the rear unless major off roading? I'm sure the owner didn't take it down to the drag strip, not to mention whether he could have even lit up the tires. NOT! To drive this regularly on the street makes no sense. Eating up tires, axles possiblly working their way out, stability on ice, etc? The posi traction will help with most off roading, just not the real tough stuff. It's definitely something that the seller should have clarified, if nothing else, but from a safety standpoint.
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