This may not happen for several years, so keep your fingers crossed. I recommend heating the seams to boil any left over stuff in the spot welded seams as chemicals tend to leech out and ruin your pretty paint job. Often this is done with high pressure water to flush away the residue and debri left behind. You do need to ensure that the acids are neutralized properly before new paint is applied. The acid can remove rust too, so if you have a lot of pitted metal dipping can clean it. I like this methods for really rusty or thin metal cars such as the VW Beetle pictured above. Trapped air is one short coming of this method, so plan ahead.Īcid dipping a whole car is certainly a professional endeavor so make sure you ask lots of questions to whomever has the equipment to do the job right. It’s also best to remove any plugs that may prevent the acid solution from entering hidden cavities and channels.
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