Re: Dings and rust

Posted by NCWayne on June 02, 2010 at 07:32:41 from (166.82.79.195):

In Reply to: Dings and rust posted by 550Doug on June 02, 2010 at 05:44:41:

I don"t do much body work myself but I"ve got a buddy that is a professional body man and I"ve watched him enough over the years to know that working metal is an art. In other words if you don"t know what your doing to repair those dings you"ll wind up making them worse rather than better. Your best bet is to do like the other post said and take the area to bare metal with rough grit paper and fill them with Bondo and sand them from there. My buddy is good and I know him well enough to know that he"d tell you unless you were working on a "show quality" car that you"d be wasting your time trying to work the metal when bondo will make a repair alot faster and just as good for a "driver".

As for the rust I"m wondering why you"d want to drill a hole and open up a way for water to get to the other side of the panel unless you are 100% sure that there is rust there also. Even then spraying "oil"on it isn"t going to stop the rust. I hear people saying the rust is "coming from the other side" all the time but that is often a missleading statement. If the rust is coming from the other side of the panel then, for the most part, there is already a hole in the panel filled with nothing but rust. In other words the metal can be rusted on one side and not the other, or both sides and not in the center. Now if the rust actually started on one side and eat all the way through then there is nothing you can do about it until you remove all of the rust to the point the hole it created is empty. Doing anything else would be worthless due to the fact that even if you treated the rust showing on the surface there would be more active rust right under it still eating out and away from the center of the hole into the metal. That said, do the rusty spot the same as you"d do the dings and sand it to bare metal. If you start sanding and the rust never stops then you do have a spot rusted all the way through from one side or the other. If you run into new metal then the rust is on just the one side and you can treat it with something like Marhyde that turns any rust remaining into a primer. Once you have the rust stopped then prime and paint the area like you"d normally do. If you find the panel is rusted through from the rear you basically have three choices. One is you can remove all of the rust you can and treat the area to keep it from coming back, and then use a filler like Tiger Hair to fill in the hole and complete the repair from there like you would any other filler type repair. Second you can do it the "right" way and cut out the bad area and replace it with good material and go that route. Third you can replace the whole panel with a new one I"ve seen it done all three ways many times over the years. As I said the Right way is to replace the bad metal with good, but using a long fiber filler like Tiger hair works good too if done right. Although it won"t last forever most times the repair will outlast someone"s interest in a particular vehicle and the problem eventually belongs to the next guy or to the junk yard.

Whatever you decide to do, Good luck.

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