I'm parting out a 1985 300TD 1985 300TD wagon parts.
and have someone intersted in the 2.88 diff. I know its hard to make out noises in videos but what do you thinking of this one here
http://www.youtube.com/watch?v=COn0MHRHVlE
and from inside the car. (warning, the ending has some noise as I forgot the rear brakes were off the car.)
http://www.youtube.com/watch?v=VAGgBBvr8No

The tranny whines when its cold so its hard to tell what noises are happening. I'm going to get down near the diff and listen with my wife on the throttle.

Could always put the diff in my 240D Automatic.

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Currently driving a very clean 1985 300SD from the West Coast.