There is a seal (there has to be between 2 metal surfaces, they can't
mate cleanly). However, you'll never find one you can buy. It's formed
by laying down a bead of RTV before putting the cover back on.
Removing the cover is the best way to drain, that way you can be sure to
get all the fluid and any metal shavings.
"John C. Worden" wrote:
>
> At 08:42 AM 11/23/01 -0500, you wrote:
> >Hi all,
> >
> >I want to change the gearlube in both my transfer cases in my '98 DAK 4x4.
> >I bought the right stuff (GL5 rated 80W90) and a hand powered pump to remove
> >the old stuff (I don't wanna change the seals and take off the covers).
> >
> >My question is how do the plugs come out of the cases? After looking around
> >under there, it seems like there is a rubber plug about 1/2 way up the cover
> >of the differential case. Does that just pull out? I think I can get the
> >pump's tube in that hole and pump out the existing fluid.
> >
> >Anyone done this and care to impart some advise? Thanks all!
>
> They don't have seals(at least not on the '98). Always a good idea to take
> the
> cover off though to check things over.
>
> John
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