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The angle grinder reveals the heavily damaged underlying structure. Be aware of the thicker piece of sheetmetal now hanging out in space, which is the main support for the door hinges. After scraping up the tar-like seam sealer and cleaning it up with mineral spirits, the floor pan looks deceptively solid.
1989 Pontiac Formula - Corrosion Cure

 The angle grinder reveals the heavily damaged underlying structure. Be aware of the thicker piece of sheetmetal now hanging out in space, which is the main support for the door hinges. After scraping up the tar-like seam sealer and cleaning it up with mineral spirits, the floor pan looks deceptively solid.  View Related Article

 

 

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