PETERBILT 579 2021: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS

General Information

NHTSA Campaign ID Number: 21V648000

Make Model Year
PETERBILT 579 2021
Date Owners Notified Date Received by ODI Date Added to Database
2022-03-11 2021-08-19 2021-08-20

Manufacturers Involved: PACCAR Incorporated

Manufacturer Campaign Number: 21PBJ

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

Potential Number Of Units Affected: 163

Report Initiator: MFR MFR Report

Summary

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.

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.