Quote:
Originally Posted by JEBalles
Head's probably cracked/warped.
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Not entirely true, the gasket was redesigned both independently of and along with the head in order to fix an oil leak failure in front of #1 cylinder. It's relatively quick to rule out a cracked head in these engines - once they are off.
Quote:
Originally Posted by JEBalles
It'd be cheaper/easier to just replace the whole engine probably.
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For an OM603 the whole engine is MUCH more costly than even a new head, the exception being finding one in a junk yard where the owners don't quite know what they have. OM617s are 'cheap' and plentiful in comparison.
Factory procedure tends to be lengthy.