Re: Crack/ hole in gas tank

Posted by dr.sportster on November 11, 2006 at 18:03:30 from (67.72.98.85):

In Reply to: Crack/ hole in gas tank posted by 1 Dollar on November 11, 2006 at 15:42:35:

You noticed it when you were getting ready to paint and [dont get mad]but then didnt fix it before paint?If its soldered now you will have damage from the heat of the soldering.I would mask off the entire tank with tape and newspaper,pressing tape firmly over that seam/crack/leak area and apply two coats of tank sealer to that area only.Pour a little in and move it around upside down and let it dry then do it again.I would skip the acid etch and other prep and just apply the sealer locally.I would use the alcohol proof sealer due to modern gas formulas.If you could just pump a little on that spot with a pump oil can or a syringe.You dont have to coat the whole tank just stop the leakage right there.Any sealer that gets on the painted surface will ruin it so mask well.Dont let the tank sealer puddle up and make a thick spot.If you dont think you can just get the sealer exactly on that spot then coat the entire tank using two coats of sealer following the instructions that come with it.Watch for any leakage from around the cap area and rotate the tank for awhile.Sealer instructions say to pour in entire can the drain excess however I find it better to estimate the amount for an even coating and add a littte if you look in and see dry spots rather than to try to get it to drain out.The drain hole might be a pipe thread plug size or use a tight rubber stopper.Good luck and keep a good hold of the tank while rotating it to spread the sealer if you go the coat the whole thing route.Make sure the sealer dosent clog vents in your cap if you use the cap while spraeding sealer.Ive done it with the cap off and looked in at the flow of sealer also.Main thing now is to not damage the new paint job.Looks nice in the picture.

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