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Message: <blockquote data-quote="bttpe" data-source="post: 131198" data-attributes="member: 19457"><p>I attempted to do a compression test and broke off two glow plugs when trying to remove.  In the process of removing them we lost one of the electrodes down into the cylinder and had to pull the head.  Pulled the head and found a blown head gasket.  See pictures.  I though Duetz used 3 layer metal head gaskets.  This one isn't.  As I have said before I know the original owner all my life.  He swears the head was never touched.  He couldn't confirm if Bobcat touched it without him knowing.  When we purchased it they ran it through their shop and said that an oring on the dipstick caused the oil loss (1 gallon/hour).  Some shenanigans somewhere.  We damaged the sealing point for the glow plugs in two holes.  For now I'm going to plug them with bolts and crush washers.  I just want to verify that this solves the problem.  I'll buy or repair the head later if this solves the original problem.</p></blockquote><p></p>