Join Date: Jul 2004
Location: Redondo Beach CA
I think that sounds like the pinion gears, not saying they're bad, but I would also say check the fluid level. If you want to rule out the bearing take the axle back out and see how the bearing feels when you spin it by hand, you'd definitely be able to feel if the bearing was no good if it was the cause of that noise. If you have someone hold the opposite tire/axle and spin an axle you should see the driveshaft move again. With both freewheeling not so much.
69 Mach One, 428CJ, Legend 5 Speed, 3.91's.