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PORTLAND, Ore. – Daimler Trucks North America LLC has agreed to recall certain model-year 2023 Western Star trucks to rectify a potential braking-system defect.
The 13 WST 4900 models built between Feb. 28 and March 8, 2022, might have received a replacement chassis frame mounted inversion valve (because the normal valve was unavailable). Manufacturing operators may then have inadvertently interchanged the brake airline that connects the control port with the one that connects the balance port.
According to the National Highway Traffic Safety Administration Part 573 Safety Recall Report 22V-205, the safety risk for the Western Star vehicles would be, “Swapped airlines at the inversion valve, which if coupled with failure points in the primary air circuit, may potentially result in reduced brake effectiveness.”
The remedy, according to the NHTSA report, “Airlines connected to inversion valve will be inspected and repaired accordingly. Repairs will be performed by Daimler Truck North America authorized service facilities. Details of the reimbursement plan will be included in the owner’s notification letter.”
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Dealers and owners are scheduled to be notified about the recall beginning May 29th.
