2021 - Limited Slip axle or no?

duneslider said:

I have not seen a true LS offered on the Gen 4 Expedition, only the electronic model. If there was a true LSD that would be news to me.

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LazSlate said:

Does your sticker list Control Trac with ELSD.

The actuator is for Non-Limited Slip axels to allow electronic locking. From what I gather there are 3 types

Non-Limited Slip
Non-Limited Slip w/Control Trac Electronic Limited Slip Diff
Limited-Slip (normal clutch type posi)

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LazSlate said:

True I have not seen any on the Gen4 either.

I think we are getting to caught up in the Limited Slip which is OLD tech per say. I have a Ford Van with Non Limited Slip but it does have the Advance Trac which uses a non limited slip diff and applys brake to the spinning wheel. It works remarkably well I got caught in snow in Flagstaff with summer tires and it handled excellet. I was surprised.

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GlennSullivan said:

I looked at a build for a 2022, when you select HD Trailer Tow, it includes 3:73 non-limited slip Differential. There is then another option item which provides “Control Trac with ELSD”.

for those that have the 3L axle on the compliance certification sticker in the door post, do you have the separate line item on the window sticker?

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Rob6805 said:

My window sticker lists 3.73 non limited slip. Hence the confusion. Because my cert sticker lists 3L for limited slip.

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mrmustang said:

The bottom line is, if you do not have the solenoid for the electrically applied limited slip, you do not have limited slip, it really is that simple.

For me, I believe what we have here is a simple "typo" on the door data tag. As with everything else in life, it's rare, but it happens.


Bill

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Rob6805 said:

I believe that every vehicle with the same config has this "typo". HD tow with 3.73 non LSD axle. The error started when Ford separated the ELSD from HD tow I suspect.

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