2Affected configurations shown13Potential units affected92.3%Latest completion context
What can happen
Safety consequence
The pressure plate may tear the diaphragm, causing a loss of air pressure and increasing the risk of a crash.
What fixes it
Official 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.
Recall lifecycle
Repair completion history
Campaign-level completion reporting. This does not determine whether a particular VIN has been repaired.
2021-3
0.0%
2021-4
0.0%
2022-1
0.0%
2022-2
0.0%
2022-3
0.0%
2022-4
0.0%
2023-1
0.0%
2023-2
0.0%
Affected vehicles
Vehicle configurations connected to 21V328000
Owner action
Campaign pages describe the public recall record. To determine whether your specific vehicle has an unrepaired recall, use your VIN and verify the current status through NHTSA.