Delayed Brake Timing/FMVSS 121
Official notice from a government agency or its published feed.
Problem: PACCAR Incorporated (PACCAR) is recalling certain 2027 Peterbilt 548 trucks23 reports about truck on this site. See them all →. 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 trailer20 reports about trailer on this site. See them all → gladhand application times. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
Risk: Delayed brake response time can increase the risk of a crash.
Fix: 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 recallThe maker or a government agency pulled this product. Check the model or lot number and stop using it until it's fixed or refunded. is 26PACF.
Units: 58 · Vehicle
Hazard: SERVICE BRAKES, AIR
View the NHTSA recall notice ↗ ← All reports