Another symptom of rear diff problem?

[GriffinGirl]

Okay, so my husband and I are looking at a '03 MDX, and realize this isn't an Acura forum, but hey, they all come from the same place and you all have a lot of useful help!

So, we test drove a potential buy from an individual, and think there is a prob with the rear dif from what we are reading, however when we are turning the steering wheel rocks back intermittently, pulling back to center. It is not the assisted power steering, its someting else and we are wondering if it is tied to the rear dif problem. Has anyone heard of this?

Thanks everyone!
Tiffany