NHTSA recall 21V720000
Service brakes, air
Peterbilt 520
Reported Sep 16, 202115 vehicles affectedPACCAR IncorporatedMaker’s number 21PBK
The defect
PACCAR Incorporated (PACCAR) is recalling certain 2020-2021 Peterbilt 520 vehicles. The quick release valve on the rear brake signal hose may be missing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
The risk
A missing quick release valve cannot ensure correct rear brake release timing, increasing the risk of a crash or injury.
The remedy
Dealers will inspect the vehicles for a missing quick release valve, and install one if necessary, free of charge. Owner notification letters were mailed on October 7, 2021. Owners may contact PACCAR's customer service at 1-940-591-4220 (Peterbilt). PACCAR's number for this recall is 21PBK.