851 ford diff==left wheel only

Chavey · Aug 26, 2010

It sems my first post on this topic didn't succeed.
the problem is I seem to have power only to the left tire. It spins way too easy, but the right one doesn't pull unless I hold the left brake on.
Tire are similar, and neither has fluid. Oh, I also have a loader on it. Sure needs power steering too!!
Thanks
chavey

john in la · Aug 26, 2010

It might be that we really do not understand your problem from your wording of the question because it is normal for only one wheel to pull.

In other words the tire with the least traction will spin and the other tire will just sit there.

Now with that said if you are trying to say the left tire is the only one that looses traction under every situation then we might start to think there is a problem like the right brake shoes are adjusted to tight; right axle bearings are starting to seize; causing friction in the right wheel.

Jack the rear end up and see if the right tire spins as freely as the left side does. From this info we can comment with better advise.

old · Aug 26, 2010

ALL and I do mean ALL cars trucks tractors will have one side pull better then the other unless they have posi track or limit slip or a diff. lock in them. Yours seeming to pull more on the left then the right is just how it is and it is normal as in not a thing wrong and that is just how a diff. works. If you say jack up the whole rear end and then put it in gear you might find the right side spins before the left does or you might find one side spins back wards and the other forwards. Or you might also have fluid in one side and no fluid in the other side and it that is the case your looking for a flip over problem

MarkB_MI · Aug 27, 2010

Maybe the right-hand brake is dragging. Jack up the right side and with the transmission in neutral see if you can easily turn the right-hand wheel.

souNdguy · Aug 27, 2010

after you jack up the rear and see if the right spins freely with trans in neutral, then slip the trans in gear and spin one rear wheel.. the toher should spint he opposite direction.. if so.. diffy is working like normal.

it may be that you have no rear ballast and the front laoder is lifting the rear and not leaving you with alot of traction, thus one wheel is spinning easilly.

put a big implement on the rear.. as big as you got then re-test it...

post back

soundguy

john_Bud · Aug 27, 2010

(quoted from post at 21:11:20 08/26/10)
Tire are similar, and neither has fluid. Oh, I also have a loader on it. Sure needs power steering too!!
Thanks
chavey

There's your problem. You need to fill the rear tires. Then you will still need to add a HEAVY rear implement or weight (2 cement filled 55gal drums or so) and maybe add wheel weights.

Think of a teeter-totter. The fulcrum is the front axle and when the loader picks up a load, it lightens the rear --> a lot. You need to add weight to the rear axle AND to the 3pt. Adding 3pt weight will lessen the weight on the front axle. really.

jb

Chavey · Aug 29, 2010

Differentals are intended to transfer power to both wheels equally. Of course the wheel with the least traction will slip first. Jacking it up and free-wheeling it will only indicated minor differeces in friction , unless one brake is seriously grabing. While it is jacked up, turning one wheel will cause the other to turn the opposite direction, as long as the transmission is engaged and the motor off.
But I understand that if the diff goes bad some handy men can fix the spider gears so that you only have one wheel driving, Just don't know if or how that may have been done or what to look for in there.
Thanks for your replies.Chavey

851 ford diff==left wheel only

Chavey

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john in la

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old

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MarkB_MI

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souNdguy

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john_Bud

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Chavey

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