1.
We took the axle housing out of the car
and set it up on a set of axle stands, with the
pinion rotated so that it faces up. We ran a
tape measure through the bare housing to
get the housing width from flange to flange.
Our housing measured 52.75 inches wide.
2.
We found the centerline of the pinion gear
and taped it over as shown here. We need
that to determine the next measurements.
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