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#2 cylinder looks suspect, I see damage on the edge of the piston and bare metal instead of the soot.
What's up with the scratch mark on #1 cylinder piston?
A couple of the other pistons I can see pock marks - cavitation?
On the head, the cylinders 1-4 all show normal soot deposits, except on a couple it has gotten pulled off, probably when the seal was broken between the head and head gasket.
However, on cylinder #5 the head looks oily and I see droplets in the oil film.
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The OM 642/722.9 powered family
Still going strong
2014 ML350 Bluetec (wife's DD)
2013 E350 Bluetec (my DD)
both my kids cars went to junkyard in 2023
2008 ML320 CDI (Older son’s DD) fatal transmission failure, water soaked/fried rear SAM, numerous other issues, just too far gone to save (165k miles)
2008 E320 Bluetec (Younger son's DD) injector failed open and diluted oil with diesel, spun main bearings (240k miles)
1998 E300DT sold to TimFreeh
1987 300TD sold to vstech
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