Yep, 17mm it is. You might want to get an allen "socket" that you can use
with a 3/8" drive. I find this easier to use than the standard L-shaped
allen wrench.

-Mark McCulley

At 08:44 PM 5/4/98 -0600, you wrote:
>Does anyone know the allen size of the final drive filler plug? I currently
>don't have this larger size and plan on going shopping for one. The thing
>is I only want one, not an entire larger allen set.
>
>My guess is 17mm. Is this correct?
>
>Thanks in advance
>
>Bill
>'85 GL
>[*Magic*Bus*]
>Big Sky Country
><><
>