Navistar retainer was not properly seated in the SC-3 single check valve and may not provide source air isolation when pressure is applied.
The short version
Navistar, Inc. reported a problem with the service brakes, air. Here is what owners need to know.
A retainer was not properly seated in the SC-3 single check valve and may not provide source air isolation when pressure is applied. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."
Unintended spring brake application may occur, increasing the risk of a crash.
Navistar will notify owners, and dealers will replace the SC-3 check valves, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 21V-227.
| YEAR RANGE | MODEL |
|---|---|
| — | See NHTSA record 21V-227 |
What changed
Newest first. The record shows both when the recall began and what has changed since.
- Recall reported to NHTSA. LATEST
Drive one of these? Check your VIN to see if your specific vehicle is affected.
Check your VINWhat this record means
Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.
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MyAutoRecalls is not affiliated with Navistar, Inc. or the National Highway Traffic Safety Administration.