Yukon axles

DDayton71 said

i slid a tape in the axle tube and from the button to end of axle housing and it was 25 7/8"

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The Button. It has to removed on some center sections, like it was said before. Your axles are 28" long and you only have 25 7/8" of room. Sounds like the BUTTON is in the way of letting your axles in all the way.