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In Reply to: Good fix Bob, but...more posted by Carlin 74CSA on November 09, 2000 at 00:03:21:
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Since Tahi used the term "rust bubble" I could only assume he meant rust bubble. Obviously, if it is a paint bubble, then he need not weld in a patch.
Often, a paint bubble forms from hydrostatic pressure from a pin hope in the metal still too small to see with the naked eye.
If I see a bubble in a panel, I remove the paint locally ONLY and try poking an awl in the center of it. 98% of the time it goes right through. It is unusual for just one or two bubbles to spontaneously form in paint-if there's a paint problem, there are usually LOTS of blisters.
Bob