Recall 21V328000 — SERVICE BRAKES, AIR:DISC:CHAMBER Defect in 2021-2021 PETERBILT 579
RECALL This recall affects up to 13 vehicles.
Recall Summary
| NHTSA Campaign | 21V328000 |
| Manufacturer | PACCAR Incorporated |
| Vehicles Affected | 13 |
| Component | SERVICE BRAKES, AIR:DISC:CHAMBER |
| Date Notified | |
| Affected Vehicles |
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.
Related Recalls for PETERBILT
| Campaign | Vehicle | Component | Date | Affected |
|---|---|---|---|---|
| 25V795000 | 2026 PETERBILT 589 | SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK | 62 | |
| 24V190000 | 2021 PETERBILT 537 | POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT | 70,509 | |
| 25V182000 | 2024 PETERBILT MODEL 220 | ELECTRICAL SYSTEM:PROPULSION SYSTEM | 168 | |
| 25V353000 | 2026 PETERBILT 567 | SERVICE BRAKES, AIR:ANTILOCK:MODULATOR | 315 | |
| 25V436000 | 2025 PETERBILT 537 | EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE | 56,260 | |
| 24V903000 | 2025 PETERBILT 536 | POWER TRAIN:AXLE HUBS | 29 | |
| 25V181000 | 2022 PETERBILT 579 | ELECTRICAL SYSTEM:PROPULSION SYSTEM | 238 | |
| 25V014000 | 2023 PETERBILT 535 | VEHICLE SPEED CONTROL:ACCELERATOR PEDAL | 1,110 | |
| 25V041000 | 2024 PETERBILT 536 | EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE | 5,378 | |
| 24V915000 | 2024 PETERBILT 520 | ELECTRICAL SYSTEM:SOFTWARE | 220,764 |