Help – Aluminum Stress Crack leak?

[Slick-Rick]

New to me '93 Tracker TX17, stress crack leaking at the outer most part of the rib and the sidewall. How can I fix this? There is a poor braze job over the outside skin along the crack, (and over two rivets) right at the bent of the sidewall. (See pics)

 

[dingbat]

Ends of cracks should have been drilled and filled with weld

Aluminum brazing suxs….should have been TIG welded

 

[Slick-Rick]

Ends of cracks should have been drilled and filled with weld

Aluminum brazing suxs….should have been TIG welded

I agree, just trying to clean up a mess now.

 

[dingbat]

I agree, just trying to clean up a mess now.

The beauty of metal….you can always grind or cut out and start over

 

[airshot]

Once you get the repairs done, that hull inside needs a good thorough cleaning and a coat of gluvit or other sealer. Pics show what appears to be some corrosion.

 

[Slick-Rick]

Once you get the repairs done, that hull inside needs a good thorough cleaning and a coat of gluvit or other sealer. Pics show what appears to be some corrosion.

What corrosion do you see? I’m new at this. There is lots of dried River sludge from it taking on water. Any help/ideas is very much appreciated! Blessings

 

[airshot]

That rough scaley area and sort of powdery stuff is corrosion. Where the surface has pitted and become rough is corrosion. It happens to old aluminum. Wire brush, scrape, sand blast, etc to remove what you can then seal with gluvit.