Locking Rear Axle
Post Fiend
Joined: Jan 2003
Posts: 10,323
Likes: 2
From: Montana Territory
L6 is the code for the ELD, which is not a limited slip axle. If you don't understand that I don't know how to make it any clearer. Look at the video above and the video on Ford's website describing the ELD. It is NOT a limited slip.
Junior User
Joined: Jun 2010
Posts: 73
Likes: 0
I ordered a 2011 F150 yesterday, and what probably adds to the confusion (even from dealers) is that the order book has the 3.73 e-locker under the "limited slip" group.
My dealer just sat there and said it had limited slip, even though the video from Ford (posted earlier in this thread) says otherwise.
My dealer just sat there and said it had limited slip, even though the video from Ford (posted earlier in this thread) says otherwise.
Laughing Gas
Joined: Oct 2005
Posts: 1,058
Likes: 1
From: South Jersey
I contacted my dealer's service dept. and provided them with my trucks vin # and axle code and he told me without a shadow of a doubt that my FX4 has a LS rear. If anyone doubts this info, contact a dealer service dept. and ask. When they look up the vin #, that tells everything about the truck as it left the factory. I have rebuilt enough rears to know how they work and how to identify them. Don't have to take my word for it, contact Ford, maybe not all E Lockers have LS, but mine does.
Junior User
Joined: Nov 2010
Posts: 69
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Have rebuilt many different sized LS rear ends and a limited slip will spin the other tire the other way.
Elder User
Joined: Jul 2010
Posts: 501
Likes: 1
From: Pacific NW
The only way to truly tell if it's a Limited slip is to open the pumpkin and take a look. Basically, the Spool you'll see is the E-locker, and the E-locker doesn't work unless energized. Just as what is posted earlier, under Ford's classification system, they call the E-locker a limited slip differential which is technically correct, but it is limited only when energized, otherwise it's and open diff. I have an FX4 with E-locker, and I can tell you for sure it's an open diff. I've put it on the beach and spun a tire. And yes, I do have the famed "L6" axle code on my door jam.
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Post Fiend
Joined: Jan 2003
Posts: 10,323
Likes: 2
From: Montana Territory
I contacted my dealer's service dept. and provided them with my trucks vin # and axle code and he told me without a shadow of a doubt that my FX4 has a LS rear. If anyone doubts this info, contact a dealer service dept. and ask. When they look up the vin #, that tells everything about the truck as it left the factory. I have rebuilt enough rears to know how they work and how to identify them. Don't have to take my word for it, contact Ford, maybe not all E Lockers have LS, but mine does.
You and your service department are misinformed, or basically you have no idea how one works. Besides, what they are calling a "limited slip" may be how some people refer to a locker. How many times have you heard somebody refer to a limited slip as a "Posi" unit, which was Chrysler's term for the limited slip.
Additionally, what would be the point of a limited slip with a locker in it? You would never know when to turn it on. Even though the locker is a spool gear drive and the limited slip is a set of spring clutches, they effectively achieve the same goal, with the strength edge going to the locker unit.
Cargo Master
Joined: Sep 2005
Posts: 2,963
Likes: 897
From: Montana
Dealers don't know anything but what is in the books, and ford classifies the locker in the Limited slip column in the books, probably just for simplicity's sake when printing the books. The e-locker is NOT a traditional LS. End of Story. Anyone who says otherwise is just trying to make themselves sound intelligible on the subject, but in reality are doing quite the opposite. next time you are on a slippery surface, in a safe area, turn the traction control off and floor it from a stop. With the LOCKER disengaged, you will get a one legger until the traction control kicks in above 25 or 35 MPH, whichever it is. To get the tires to slip easier, try turning while gassing it.
Junior User
Joined: Nov 2010
Posts: 69
Likes: 0
A locked rear end is designed to spin both tires -BEST Serious Off Road Truck must!!
A limited slip rear end can spin both tires but is limited -Better (Yes, I said can! in not all cases it provides power to both wheels)
A regular rear end will spin just one wheel
A limited slip rear end can spin both tires but is limited -Better (Yes, I said can! in not all cases it provides power to both wheels)
A regular rear end will spin just one wheel
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sancochojoe
1948 - 1956 F1, F100 & Larger F-Series Trucks
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Apr 16, 2004 03:01 PM
