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Leak From Drain Plug Area...Suggestions?

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6.6K views 11 replies 10 participants last post by  jas415  
#1 ·
What's up 2cool? I have a aluminum boat that has two drain plugs at the stern. The one on the starboard side has a leak from the plug not seating properly. My neighbor gave me some thick grease, but it eventually washed out and started leaking again. I really just need one drain plug. If I was to fill the plug area with some marine silicone, and put the plug back in place, would that seal the leak? I just didn't want to take it in, and I have another drain plug on the port side. Thank you!
 
#6 ·
The black rubber on drain plugs gets old and hard after a couple of years and they lose their sealing effectiveness. Not seating properly may not be a hole problem, but a drain plug problem. You could seal the hole and eliminate that issue, but a set of fresh drain plugs may solve the issue too.

I prefer t-handle plugs for the stern drains. With the t-handle, I can turn the t-handle another turn or two to compress and expand the plug in the hole. I replace my drain plugs every couple years.
 
#7 ·
^^^ rubber does have a shelf life. Also, does not hurt to check your drain tubes because these will corrode or perhaps they are bent. I had to replace my drain tube on my Kenner due to corrosion. I really believe it was because I did not match the two metals (tube and plug).
 
#9 ·
Thank you all for the suggestions! I’m gonna try some white rectorseal first and see how that holds up. I had changed out several plugs in the past. It isn’t a tunnel hull. It’s a Alweld 1872. 🤙
 
#10 ·
Not sure what type of plug your using, T-handle vs Lever style and you have most likely checked this. Could it be as simple as tightening the brass nut on the opposite side of the handle to make it compress more and enlarge when you tighten the T-handle or swing the lever up?