if there are no axles installed..
the output flanges probably are turning some by themselves..

which to the park mechanizm, looks like the van is moving some, and you
don't want to put it in Park unless it's completely stopped.

On 06/11/2016 07:39 AM, C. Abney wrote:
> So I completed the rebuild, replaced the tranny/diff on the engine,
> reassembled all except the axles.
>
> Now I've filled it with fluid (gowesty's atf cooler--still empty from
> the flush--has yet to open, probably) and run 'til it's warm and put
> it through the gears to fill the valve body ways. No leaks, the drive
> line behaves as expected for a successful rebuild.  I'm about five
> quarts in, and the (warm) fluid comes up to minimum on the dipstick.
>
> But when I put it into park I get a rusty gate sound for about a
> second.  This doesn't grow less loud or long with repetition. Looking
> at the internals of the tranny, I'd say it's good as new, no wear at
> all.  pictures made during disassembly are here for reference:
>
> https://drive.google.com/open?id=0B62_BQnCIJQ6VmtLTVZ5NmthNms
>
> (I'm sure I marked that directory shareable, let me know if it is otherwise.
>
> What is it?  I'm scared, since I've never even lookekd inside a AT
> before, or any transmission.  Any clues from the experts in this mob
> of experts?
>
> --
> There's no .sig like the present