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How to deal with a few rust areas fenders/sills - 95 legacy (pics)
Posted 25 October 2012 - 01:49 PM
thx for looking
Posted 25 October 2012 - 02:37 PM
For the last two pictures [the back], take off the paint with the 3m wheel, then use a drumel cutting wheel to remove anything that's severely rusted.
For surface rust, use the grinder on the drumel to get the last amounts of surface rust. Then it's converter, fiberglass, bondo, prime and paint. You can't leave any rust on the inside or outside, hence the advice to cut when in doubt. Rust never sleeps.
For the front, same procedure but it looks worse. Only time will tell when you hit it with the dremel cutting wheel.
If that's all the rust you have on a 95, you should thank your lucky stars
Posted 26 October 2012 - 08:26 PM
And well, I didn't do the best job I guess, but within a year or two, it just rotted out again.
So roughly speaking I gave up. I just paint over the rust spots with a paint of roughly the same color. Yes it loooks cheesy. But it's cheaper and much less time spent for roughly the same result anyway I guess ..
Posted 26 October 2012 - 08:28 PM
The front fenders need to be replaced or have new sheet metal welded on. Replacement is probably the easiest route. I don't know if patch panels for that area are available. There are much more common rust points on these cars that you can't get patch panels for. That bottom section is what holds the lower leg of the fender. You can try cutting out the rusted area but there will probably not be much metal left to hold the bottom of the fender on the car.
The rear dog-leg can be cut out and filled with fiberglass or bondo.
Those may turn out to be OK after you grind the surface rust off, but be prepared to cut out a fairly large section, you may find a lot more rust than what you see.
Posted 26 October 2012 - 08:37 PM
Posted 27 October 2012 - 07:35 AM
Posted 27 October 2012 - 09:16 AM
Dirt and leaves will accumulate there holding moisture and causing it to rust. be sure to spray with the power wash wand inside the fender withthe door open or peel back the inner lineer to wash it regularly to prevent this. the rear fender rust is caused by the same debris hiding behind the mud flaps.
you can remove the flaps and inner fenders once a year to blast out debris. It is not a bad idea to treat these areas with an undercoating product while you have it apart to prevent more rust.
Posted 27 October 2012 - 02:17 PM
Use a wire wheel to clean the bubbled paint down, then coat it with a rust converter primer and after that cures, paint. You're just buying time after the rust starts, but you can prolong the agony quite a while with rust converter and paint.
You can also use wax based sprays to soak the inside of the panels to help keep rust from spreading.
Bondo actually holds moisture, so it will rust the metal out around it if it isn't completely sealed with paint from both sides.
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