I took both my air deflector plates off in the Spring while I was under the car doing fuel filter and ATF leak work. They're pretty filthy. I was going to put them back on at some point, but thought I would clean them up first. Not wanting to start an argument about whether the shields are needed or not, just looking for some advice on cleaning them.
They're made of what, aluminum? Or something else? Any harm in going at them with an engine degreaser chemical spray? I have a couple of those. I also bought replacement edging strips, to cut into small pieces for those openings where the parking brake cables thread through.
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