chasing a front end noise/vibration

[jdmser]

A while ago I started to hear what I thought was a wheel bearing noise on the drivers side so I replaced it. I also replaced the cv shaft while I was in there because the inner boot had a tear. The noise was better but, not gone. I noticed the diff had a wet spot under the seal so I replaced the inner axle bearing and seal today. Again the noise was better but, not gone. While it was jacked up I started to spin the tire while listening for noise. That's when I noticed the diff moving. As I spun the tire one full revolution the diff/engine would move about an 1/8" in one direction and then the other. I would imagine bad motor mounts but, I haven't noticed any engine shake. Any thoughts?

[Cable810]

Wonder if your diff is shot?

[jdmser]

I don't think so. There's not a lot of play in the axles or the pinion and the fluid came out dark but no metal.

[jdmser]

Turned out to be a combination of the motor mounts and passenger side wheel bearing. The passenger side mount was so flat that it was putting the driver side cv in a bind. The noise from the bad passenger wheel bearing was throwing me off.

[v7guy]

Thanks for updating the thread. Not the first time we've seen some garbage motor mounts.

[jdmser]

Not too bad for oem mounts with 140k on them. I was just surprised how fast they went once they started to go. I'm thinking the temperature in February(we averaged 27* for the month) slowed the failure and then once the fluid warmed they were done.