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rotors 12mm or 14mm

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Old Mar 10, 2004 | 10:41 PM
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Question rotors 12mm or 14mm

I need to replace my rotors. I went to my local auot parts store and asked for a price. the sales man asked me if my rotors were 12mm or 14mm?? I told him I didn;t know. how would I find out if I have 12mm or 14mm?? any help would be great. 2000 Expy, EB, 2WD, 5.4
 
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Old Mar 10, 2004 | 10:58 PM
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Ford switched from 12mm lugs to 14mm lugs mid 2000 model year. Easiest way to tell the difference is with two sockets. If a 3/4" socket fits the lugs, they are 12mm. If a 13/16 socket fits, you've got 14mm.
 
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Old Jul 12, 2019 | 02:02 PM
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Hate to revive such an old thread, but there is too many unanswered threads.

So I have come to the conclusion that after July 1999, all Expeditions were installed with 14mm, not 12mm. I personally have a 2000. The question that I seem to have is on Rockauto, there is a "To 11/99" and "From 12/99". Does this pertain to what I said above? To 11/99 is 12mm and From 12/99 is 14mm?
 
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Old Jul 12, 2019 | 09:04 PM
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Old Jul 13, 2019 | 01:23 PM
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Originally Posted by Frozen_Joker
To 11/99 is 12mm and From 12/99 is 14mm?
That is correct. The build date should be on your door sticker.
 
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