Rockwood06, when I get a stress crack in plastic, aluminum, or even sheet metal, I drill a small hole (1/8 or 3/16 or so) at the end of the crack, making sure that I completely cover the very end of the crack with the hole. The hole relieves the stress, and will usually prevent further "creep".
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Chap , DW Joy, and Fur Baby Sango
2017 F350 Lariat CCSB, SRW, 4x4, 6.7 PS
2017 Grand Design Reflection 337RLS
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