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NHTSA Recall 21V648000: Hoses, lines/piping, and fittings (service brakes)

PACCAR Incorporated reported this safety recall to NHTSA on , covering an estimated 163 vehicles. It affects 4 models including the Peterbilt 367.

163
vehicles potentially affected
4
models affected
2022
owners notified (March 11)
NHTSA campaign21V648000
Manufacturer campaign21PBJ
ComponentSERVICE BRAKES, HYDRAULIC › FOUNDATION COMPONENTS › HOSES, LINES/PIPING, AND FITTINGS
Report receivedAugust 19, 2021
Owner notificationMarch 11, 2022
Initiated byManufacturer

Defect

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.

Safety risk

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.

Vehicles covered by recall 21V648000

Make and modelModel years
Peterbilt 3672021, 2022
Peterbilt 3892021, 2022
Peterbilt 5672021, 2022
Peterbilt 5792021, 2022

Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.