Thread: Coolant Leak

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Originally Posted by jerry clayton

I heard that they used Barr's leak on the Nautilus Nuke sub when it was new!!!!

It is possible that you just pushed it out because your recovery tank was too full or doesn't have enough capacity---a tube 17 x 1.5 (od?) doesn't have much room----

The drain tube from the recovery tank seems to be dry, and the residue is mostly on the opposite side of the block. The "tank" is one of the standard overflow receivers sold at all the shows - polished tube, more like 1-3/4"ID I suppose, but not large by any means. I guess I'll wash everything down to get rid of the green tint, blow it dry and start it up on some jack stands and watch it for a bit to see if I can find the leak point.

Originally Posted by rspears

The drain tube from the recovery tank seems to be dry, and the residue is mostly on the opposite side of the block. The "tank" is one of the standard overflow receivers sold at all the shows - polished tube, more like 1-3/4"ID I suppose, but not large by any means. I guess I'll wash everything down to get rid of the green tint, blow it dry and start it up on some jack stands and watch it for a bit to see if I can find the leak point.

As you know I recently got mine on the road and I also discovered a small coolant leak. Took a few tries but finally found it right at the bottom of the coolant "tank", same as yours, polished etc. etc. etc., The hose wasn't really tight so I had added a clamp and thought it would be fine. It wasn't. I had to get a smaller hose for the tank side and adapt it to the larger hose for the radiator side. Spun out a simple adapter on the lathe and seems ok now.

Might be something to check on yours?