Known Recalls

Recall campaign · NHTSA 26V567000

Service brakes, air: controls: proportioning relay valve

PACCAR Incorporated filed this campaign with NHTSA on 2026-09-01.

Recall campaignNHTSA 26V567000

Service brakes, air: controls: proportioning relay valve

Component
Service brakes, air: controls: proportioning relay valve
Manufacturer
PACCAR Incorporated
Vehicles affected
58
Reported to NHTSA
2026-09-01

Defect description

PACCAR Incorporated (PACCAR) is recalling certain 2027 Peterbilt 548 trucks. The front brake valve and hoses may be the incorrect size, which can delay the rear service brake application and release, as well as the trailer gladhand application times. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

Safety risk

Delayed brake response time can increase the risk of a crash.

Manufacturer remedy

Dealers will replace the front brake valves and hoses, free of charge. Owner notification letters are expected to be mailed October 31, 2026. Owners may contact Peterbilt's customer service at 1-940-591-4220. PACCAR's number for this recall is 26PACF.

Scope of coverage

1 model year.

ModelYears on record
PETERBILT 5482027

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.