Quote:
Originally Posted by Jamesp
Ok - I was going to wait 50 miles but just could not wait. I strapped rare earth magnets around the outside of the plastic oil filter housing and they did catch some ferrous material. There were 2 pieces of metal I would consider "chips" though quite small, and there was also what looked like aluminum dust, and some small pieces of sealant. I'm up in the air if I change the oil, or run another 50 miles then change the oil. The majority of what was caught I would categorize as ferrous dust. Perhaps finer than the filter could catch. The magnets are about 1 cm in diameter.
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Not to be pedantic, but if you had an IMS failure and did not take the engine apart and rebuild it, I'm afraid the odds on this engine surviving are very long against you. That metal is going to continue to circulate with the oil, abrading everything it touches, including the new IMS bearing. Oil flushes , magnets, and filter changes are not going to get it all out.
When an M96/97 suffers an internal failure that spreads metal debris through the engine, it is difficult, even in an engine cleaning tank, to get it all out. The best way to dislodge it is in an ultra sonic cleaning tank.