Quote:
Originally Posted by Stugist
I was planning on doing an engine flush here soon next time I change my oil on my 240D. Don't know if the PO did or not. What's the generally accepted method/material you guys use?
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Why do you want to flush the engine? Diesels generally don't sludge up as much as a gas engine. Be aware that any sludge that is sitting in crevasses and corners will come loose and likely clog the oil pickup screen. This will lead to loss of oil pressure or if a chunk of carbon gets past the screen a locked oil pump.
Left alone and changing the oil on time or say 1000 miles eariler than normal, any sludge wil stay put and not bother anything or slowly be washed away.
If you really wanted to do something, pull the oil pan and manually clean the pan and pickup as this is where most of the junk will be.