Navistar is recalling approximately 25,822 trucks and buses because the hex flange lock nuts, used in the suspension and steering joints of the affected units, were improperly heat treated and may break, according to National Highway Traffic Safety Administration documents.
On the trucks side, affected trucks include model year 2021-2022 International CV Class 4/5 trucks, 2022-2023 International HV severe-duty trucks, 2023
