Reported risk: On certain trucks, the air dryer relief valve may be susceptible to freezing. Freeze-up of the relief valve in conjunction with a blockage in the air line between the air dryer and the wet tank may cause an overpressure condition which may cause the desiccant cartridge to separate from the dryer housing or cause breakage of the dryer housing. Either of these conditions may result in injury to persons standing near the dryer at the time of failure. Correction: Vehicles will be equipped with a redesigned relief valve and desiccant cartridge.
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ProductGuru indexes recall and safety-alert records from ~30 public agency registries. We are not lawyers, regulators or product-safety consultants. This page restates what the named agency published; consult the primary source above (or qualified counsel in your jurisdiction) before any commercial, medical or safety decision.