No that's the bleed valve.  Do NOT inject grease into it.

Allan
--
1991 Vanagon GL

On Sun, 13 Sep 2009 07:15 -0700, "aaron bright" <vdub4uandme@YAHOO.COM> wrote:
> I was changing out my pads and just cleaning up my brake system and
> noticed what I thought to be a grease fitting on the back on my
> caliper(??) just wanted to make sure that it was a grease fitting before
> I shoved grease in it.� Thanks for the help
> �Thank you,
> Aaron Bright
> Louisville, KY 
> 
> 
>