Our rig is over 4 years old. We still find construction debris. Try taking the cover off and blowing in them or snake a small hose in the space.
My money is eventually it will stop.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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