4Affected configurations shown845Potential units affected87.7%Latest completion context
What can happen
Safety consequence
Unintended spring brake application may occur, increasing the risk of a crash.
What fixes it
Official remedy
Navistar will notify owners, and dealers will replace the SC-3 check valves, free of charge. Owner notification letters were mailed on May 28, 2021. Owners may contact Navistar customer service at 1-800-448-7825. Navistar's number for this recall is 21503.
Recall lifecycle
Repair completion history
Campaign-level completion reporting. This does not determine whether a particular VIN has been repaired.
2021-2
0.0%
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%
Affected vehicles
Vehicle configurations connected to 21V227000
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.