You didn't have it replaced? Get under the front and look at the axle. See if the boots are ripped. Grab it and see if it moves at all.

__________________
1997 B2300 reg cab 2.3 Lima, 15x8.5 Mickey Thompson classic 2, 31x10.50 cooper discover at3, 7.5 open 4.10 rear, dynomax super turbo catback, alpine iva-w200 w/ nav, kicker 6x8s, alpine type R 8, alpine 250W mono amp, power bass 400.4, tool box & camper shell, compustar alarm/remote start.
1956 Ford F100 rust bucket with big plans!