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Anonymous-0

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I filled the SH with coolant and I have a leak(s)at the small hose that connects the outlet to the water pump. The two parts don't line up exactly and there is a slight jog in that very short hose but I don't think that is why it is leaking. The cast iron was a little pitted on both parts and tightening the clamps only helped a little. I used new tower clamps and it doesn't seem like they do the job like a worm clamp. I'm going to replace them with two new wide worm clamps, fill it back up and see what happens. Any secrets to dealing with the pits if this doesn't work. I've thought of epoxy and sand it smooth. Can RTV be used with a hose? Help.
 
I have used silicone more then once for a problem like that. Put in a good bead of it install the hose and let it sit a few hours before refilling the cooling system and you should be good to go till the hose goes bad
Hobby farm
 
I believe you are on the right track with worm-drive clamps.

Tower clamps appear to work right on the first/initial install when everything is clean, plated, and everything slides and equalizes right. As they age/corrode/contaminate, their clampload isn't what it used to be.

Good suggestion on the RTV, I would add clean everything as good as possible, sandblast would be best, dental pick and sandpaper/scotchbrite would be next followed by a brake-cleaner wipe until clean towels are produced on the metal. RTV works in impressive ways when applied to clean, dry surfaces.
 
Permatex #2 does a good job in a situation such as this. We've used it on hose connections where roughness or pitting is present. It has enough body to seal well.
 
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