Service brakes, airRecall 21V-720 · 2020–2021 Peterbilt 520
PACCAR Incorporated recall 21V-720 covers 15 2020–2021 Peterbilt 520 for a service brakes, air problem, reported to NHTSA on September 16, 2021. The manufacturer's latest report (2023 Q3) shows 73% of affected vehicles repaired.
Source: NHTSA recall 21V720000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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 fix
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.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
73%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA. 2 vehicles were listed as unreachable.