I don't know what to call it. But it looks like my turbo may be leaking around the seam where a handful of 8mm head bolts hold it together. They were surprisingly loose, so I tightened them all pretty good. On a side note, can overtightenning them cause the vanes to bind? Maybe it's just the bottom drain, which I snugged up those two bolts also.
-new Garrett been on there about 70k miles. No noticable shaft end play or oil out of the exhaust.

Thanks for any comments, been a long while since I dug into the vanes on one. I didn't know that they could leak through the side housing seams?

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05 CRD: H.D.S2 stat,WW Ironrock trilink&LCA's, OX rear,ARB front, 4.10's, ARB bumper, Suncoast,OME 3.5, JBA UCA,rock rails, Moabs&265/75 Duratracs, GDE tunes ,FFD fan,ARP's, 2 micron fuel, new valves,sasquatch battery tray & grid heater, tensioner relocated
Mech fan, VH & AC delete