So I have a 2014 silverado and wondering about the black plugs on rockers so I popped few out and notice build up of dust/fine dirt and wondering after i take air compressor to blow out if I can put hose up to plug hole to raise out....worried since my 2005 silverado rockers rusted out and had to repair them and don't want to have to do with this model. Any help is appreciated, and what everyone else is doing to prevent rust issues.
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