Quote:
Originally Posted by herb101
To those that have removed the soldered on filler tube - a question:
Is the filler tube assembly a flanged pipe that bolts to the outside of the tank, then the whole flange is filled over with solder? That is what appears to be the case.
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That's it. It looks like they place the filler tube over the studs, tighten it down with the nuts, and then fill up that flat area with solder.
The old tank was very easy to get the solder off. I heated it, undid the nuts, and heated it a little more to get the neck assembly loose.
The new tank I heated it, heated it more, bought a new torch and heated it more, took it to the radiator shop and he gave it a shot, and finally took it to another shop and they were finally able to get it off. They must use some sort of high heat solder on the new ones.