NHTSA Campaign 21V648000

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

Issued by PACCAR Incorporated · Reported Aug 19, 2021 · 163 vehicles affected

What's wrong

PACCAR, Inc. (PACCAR) is recalling certain 2021-2022 Peterbilt 367, 389, 567, and 579 vehicles. The cross member mounted Hill Start Assist valve assembly may have insufficient clearance to the rear axle, causing damage to the rear brake hose and loss of the rear brake signal.

Consequence

If loss of the rear brake signal occurs, the vehicle could experience reduced rear braking capability or loss of brakes to the rear axle(s), increasing the risk of a crash.

Remedy

Dealers will inspect for clearance and re-work the assembly to conform with an updated design, free of charge. Interim owner notification letters were mailed on September 24, 2021. Owner notification letters were mailed on March 11, 2022. Owners may contact PACCAR's customer service at 1-940-591-4220 (Peterbilt). PACCAR's number for this recall is 21PBJ.

Vehicles affected by this recall

Make Model Year Units
PETERBILT 367 2021 163
PETERBILT 367 2022 163
PETERBILT 389 2021 163
PETERBILT 389 2022 163
PETERBILT 567 2021 163
PETERBILT 567 2022 163
PETERBILT 579 2021 163
PETERBILT 579 2022 163

Source: NHTSA Campaign 21V648000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.