You're now in the deep end, but you're not alone. I seem to remember a thread here about replacing that wavy piece on the cam. At least it didn't grenade the engine.

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2009 E320 Bluetec 117,000
1995 E300D 306,000 Sold
1996 Ford Taurus LX 130,000 Sold
1985 300TD Still 225,000 Sold
2016 Ford Fusion 24,900