Shaunster,


there are all kinds of things up on the front of the engine that need to sealed when the engine is assembled. There are 3 timing chain guide pins, one of which might be your leaker. What ever it is you have to be able to get to it to tighten it up. I would pull it out enough to get some thread sealer on MOST of the threads and tighten it back up. Like PEH said you might want to pull the radiator.

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"