Recall
Peterbilt 579 — 21V328000
NHTSA ID
21V328000
Make
Peterbilt
Model
579
Years Affected
2021
Recall Date
2021-05-10
Component
SERVICE BRAKES, AIR:DISC:CHAMBER
Units Affected
13
Completion Rate
—
Mfr Campaign No.
21PBE
Summary
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.
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.