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Old 12-22-2017, 10:30 AM
GregMN GregMN is offline
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Join Date: Aug 2009
Location: MN
Posts: 1,253
I have experience with things in the chamber. The tip of 2 pre-chambers broke off and were banging around in there for a while ( in my mind "a while " in a running engine could be 5 seconds, it happened for the previous owner, so I don't know ) . The engine still ran. I drove it 70 miles home. It did not run well because of the broken off pre-chambers, but the pistons and valves were fine. The top of the pistons looked like someone took a hammer to it, with little divots marks in the top, but no material seemed to be missing. Based on that experience, I would run it with a piece of plastic in it.

Again, I would, doesn't mean you should.
Attached Thumbnails
OM606 (95 E300D) Plastic retainer piece fell into the combustion chamber-pre-chamber-1.jpg   OM606 (95 E300D) Plastic retainer piece fell into the combustion chamber-pre-chamber-2.jpg  
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Greg
2012 S350 BlueTEC 4Matic
2007 ML 320 CDI
2007 Leisure Travel Serenity
2006 Sprinter 432k
2005 E320 CDI
1998 SLK230 (teal)
1998 SLK230 (silver)
1996 E300D 99k, 30k on WVO
Previous:
1983 240D, on WVO
1982 300D, on WVO
1983 300CD, on WVO
1986 300SDL 237k, 25k on WVO (Deerslayer)
1991 350SDL 249k, 56k on WVO - Retired to a car spa in Phoenix
1983 380 SEC w/603 diesel, 8k on WVO
1996 E300D 351k, 177k on WVO
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