View Full Version : om612 coolant leak

03-18-2013, 07:12 PM
I have an early OM612 sprinter that is pissing coolant from what looks like a freeze plug on the head where the intake bolts to head. Its coming from a 3/4" port that is pluggede with a thin recessed cap with a hole in the middle. Is this a Freeze Plug ? I cant find any info.... Thanks.Phil

Eric Experience
03-19-2013, 10:18 AM
Sounds like a welsh plug. Has it had the factory coolant in it all its life? Eric

03-19-2013, 08:23 PM
Must be a 2002 or 2003 (NAFTA). There was a recall for the intake. Was yours ever changed?