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No expert but it looks like rust. The Algae closer to black in color and slimy looking. I guess there could be a combination of both going on.
I would get some insurance; a set of new filters in the trunk in case they plug up again.
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84 300D, 82 Volvo 244Gl Diesel
Last edited by Diesel911; 08-31-2008 at 01:12 AM.
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