Recall 21V328000
SERVICE BRAKES, AIR:DISC:CHAMBER
Report Date
20210510
Component
SERVICE BRAKES, AIR:DISC:CHAMBER
Affected Vehicles
2 models
Defect Description
PACCAR Incorporated (PACCAR) is recalling certain 2021 Peterbilt 348 and 579 vehicles. The spring brake chamber may have been assembled with incorrect springs that were out of specification, which may cause the pressure plate to shift.
Safety Consequence
The pressure plate may tear the diaphragm, causing a loss of air pressure and increasing the risk of a crash.
Remedy
Dealers will replace brake chambers, free of charge. Owner notification letters were mailed on July 9, 2021. Owners may contact PACCAR (Peterbilt) customer service at 1-940-591-4220. PACCAR's number for this recall is 21PBE.
Check your vehicle: Visit NHTSA.gov and enter your VIN to see if your specific vehicle is affected.