F150online Forums - 05 fx4. Locking diff? (stupid question)

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white05

02-24-2013 08:38 PM

05 fx4. Locking diff? (stupid question)

My brother just bought a 05 fx4. I was under the impression that all the fx4s had the locking diffs? Is that true? If so where is the switch? And i did do a search.

kingfish51

02-24-2013 09:16 PM

Quote:

Originally Posted by white05 (Post 4958298)

My brother just bought a 05 fx4. I was under the impression that all the fx4s had the locking diffs? Is that true? If so where is the switch? And i did do a search.

No, only the 09 up can have the locking diff. And it may not even be a limited slip. Look at the door code for the axle. If it is 2 numbers, it is an open diff. If a letter and a number, it is a LS.

tarpon

02-24-2013 09:17 PM

I have the same truck, mine is a limited slip

Gordon M.

02-25-2013 08:03 AM

No switch Limited Slip is likely check the Tag on the Rear Axle for info for example if it is a 3:73 Limited slip the tag will read 3L73

white05

02-25-2013 11:09 PM

Thanks for the help!!

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