Locking Hubs ???
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New User
Joined: Apr 2003
Posts: 7
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From: Raleigh
Locking Hubs ???
On my F-250 I have <b>Locking front </b>hubs, which don't seem to make a difference when I use them. <P>I was trying to back up on a icy driveway. The wheels started to slip in 4 wheel drive. Which by the way only turned one front and one rear. (Shouldn't it be called 2 wheel drive?) well, anyways I got out and turn the locking hubs to lock. Same two wheels turned, nothing more. <P>I then tried all combinations of turning them on to lock then to free, then put it in 4 wheel drive. But the results were all the same. 2 wheel drive not 4, and both on the same side. Is this Correct??
<P>I thought at least the two front should turn when they were locked??
Any explanation would be appreciated.
Thanks,
Craig !!
<P>I thought at least the two front should turn when they were locked??
Any explanation would be appreciated.
Thanks,
Craig !!
Post Fiend
Joined: Jun 2003
Posts: 5,643
Likes: 8
From: NE Texas
Evidently, Craig, you have open differentials. That is, they are not Limited Slip. Open front diffs are standard equipment on the SD’s, but some have LS rear diffs. The way you can tell is on the ID tags. For instance, if your tag’s id numbers include this set: 4L10, then it is Limited Slip; if it’s 4 10, then it is open. Many people believe that if they have the LS rear then the fronts are LS also, but that is not the case, since the LS would jeopardize the gearing in the front due to extreme pressure when turning on hard surfaces.
Check your tags. There is a possibility that you have the LS rear, but that the clutches are bad.
Check your tags. There is a possibility that you have the LS rear, but that the clutches are bad.
Senior User
Joined: Dec 2003
Posts: 238
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From: Texas
Yes that is right.. If you want a true 4 wheel drive you would need lockers. Keep in mind most 2 wheel drives are really one unless it has pos track. There are diferant kinds of lockers and I am no expert, but I sure some here could give you good info on what kind would work best for you. If that is an option one may want..
Post Fiend
Joined: Jun 2003
Posts: 5,643
Likes: 8
From: NE Texas
Originally posted by CraigFire
As far as the Locking HUBS, what do they do ??? Or what are they suppose to do??
CraigFire
As far as the Locking HUBS, what do they do ??? Or what are they suppose to do??
CraigFire
This does not mean that it "locks" the axles in the differential. That is another can of worms and is taken care of by clutches or by "lockers" in the diff itself.
Power is transfered from the transfer case via the front driveshaft to the front diff. From there it goes to the hubs and either free-wheels when hubs are unlocked or engages when the hubs are locked. But...it all depends on the diff whether both axles will engage...not the locking hubs.
