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Old 01-20-2013, 02:13 AM   #11
JustJeff
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I'm dissapointed that when I took my engine apart I did not find a smoking gun showing a blown out coolant seal and am concerned that I'll put this engine back together without identifying why/where/how the coolant seal failed.

Ted circled a pic in a previous post showing where he'd bet the seal failed. My concern is all my iron surfaces look very similar and seem to be tied to hylomar staining. Here's some pics with areas having similar staining.





Unrelated to staining, look how thin the wall is at this point. It looks cast that way and doesn't at all feel like corrosion. Should I be concerned?
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1990 Vert/ S5-JDM 13BT (rebuilt but with issues I'm working out). Rtek N370 1.7, 550/800 injectors, FD fuel pump, RB REV TII exhaust, Tein springs and Illuminas
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