Federal regulations mandate brake wear specifications. For example, air disc brakes must have 1⁄16 of an inch of lining; air drum brakes must have 1⁄4 of an inch. Some types of failures can cause a ...
PACCAR Incorporated (PACCAR) is recalling certain 2021 Peterbilt 348 and 579 vehicles. The spring brake chamber may have been assembled with incorrect springs that were out of specification, which may ...