I just found out about a recall for mopar water pumps with an M on the bottom of the casting on the driver side (?). I think it was a letter from Chrysler. I got it right after I topped off the coolant tank. Pretty sure I have a bad one but I haven't checked yet.
2010 Liberty KK Sport, deep water blue, weathertech in channel vent visors, weathertech digital floor mats, Detoures backbone winch mount w/smittybilt XRC 10 comp winch, rigid industries dually led lights on smittybilt fairhead mount, Rocklizard skink supersliders and Gecko safari rack, cobra cb w/48" firestick antenna, general grabber at2 245/75-16, OME heavy duty springs, OME shocks, about 3" - 3 1/2" of lift, Detoures Knucklebone spare tire and Jerry can mount, mopar skids, class 3 hitch w/7 pin wire harness, headlight covers, 4.10's and Detroit TruTracs F&R