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What about spline wear and inspection?
Worn splines can be dangerous!
Worn splines on a wheel will quickly wear the good splines on the
splined hub of the car; worn splines
on the hub of the car will quickly wear the good splines of a
new wheel.

On the hubshell of the wheel, the rear-most portion
of the splines (about 3/8") will show no wear (as they do
not mesh with any splines on the hub of the car). This allows a
very visual comparison
between the front-most worn splines and the rear-most “new” splines.
Also, by gently sliding a finger along the splines of the wheel,
you will feel a ridge at the point that the “new” and
the worn splines meet. |