NHTSA recall 23V423000
Electrical system
Peterbilt 579
Reported Jun 13, 20234,967 vehicles affectedPACCAR IncorporatedMaker’s number 23PBD
The defect
PACCAR, Incorporated (PACCAR) is recalling certain 2021-2023 Peterbilt 579 vehicles equipped with MX-13 engines and 160-amp alternators. A fastener on the front spring bracket may have been installed with the head on the outside of the frame rail, which can chafe and damage the alternator positive cable.
The risk
A damaged alternator cable increases the risk of a fire.
The remedy
Dealers will replace the frame fastener and secure the alternator cable, free of charge. Owner notification letters are expected to be mailed August 11, 2023. Owners may contact Peterbilt's customer service at 1-940-591-4220. PACCAR's number for this recall is 23PBD.