Any chance it's theoil pressure sender in that same area ?
I have seldom seen that seal leak.
Perhaps if engine miles are extremely high.

On 10/23/2012 8:23 AM, JRodgers wrote:
> Got an oil leak on my 2.1 coming from under the pulley. Might be the oil
> pump, but I suspect a seal There is/was a large diameter "O" ring seal
> and a smaller seal - and the large "O" ring is for those engine with P/S
> and A/C. It seems this "O" ring is NLA. At least I cannot find any
> vendors that have it. Van-Cafe shows it on their website but they
> haven't been able to get it for some time.
>
> Question is - is this large "O"ring necessary or is the smaller seal by
> itself sufficient to do the job. I have never had this apart before so
> am not quite sure what I will face when I tear into it, but I sure would
> like to have the correct and necessary parts on hand before I start.
>
> Anyone have any ideas?
>
> Thanks,
>
> John Rodgers
> 88 GL Driver
> Birmingham
>