It may look similar to a grease fitting but it is a bleeder valve for brake fluid.

DO NOT inject grease into that fitting.  (It wouldn't take much unless the valve was opened but it is still a wrong thing to do).

---------- Original Message ----------------------------------
From:         aaron bright <vdub4uandme@YAHOO.COM>
Reply-To:     aaron bright <vdub4uandme@YAHOO.COM>
Date:          Sun, 13 Sep 2009 07:15:05 -0700

>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
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