if it only happen on acceleration then its going to be that outside bearing. you will have to drop the tranny and take off the case to replace it.
1995 F22B1(suspension mods)(SOLD)
1997 Grand Prix GTP
(intake, ported blower, 3.25" Pulley, 42.5# injectors, 75mm TB, 85mm MAF, Headers, 255lph fuel pump, worked heads, cammed, 3" downpipe, 2.5" catback, no cats, no egr, no evap)