Service Brakes, Air

NHTSA campaign 21V720000 · announced September 16, 2021 · filed by Paccar Incorporated · 15 units affected

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.

What to do

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.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Vehicles covered by this recall

• 2020 Peterbilt 520
• 2021 Peterbilt 520

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal or repair advice.