John Evans Manufacturing Co. air brake diaphragm on these vehicles may degrade and allow the brake system air to leak from the quick release valve causing the emergency brakes to engage.
The short version
John Evans Manufacturing Co. reported a problem with the supply quick release valve. Here is what owners need to know.
The air brake diaphragm on these vehicles may degrade and allow the brake system air to leak from the quick release valve causing the emergency brakes to engage.
Partial or full application of the emergency brakes can cause the wheel-end to overheat or a drag slowing or stopping the vehicle, increasing the risk of a crash.
John Evans will notify owners, and service centers will install heavy duty diaphragms in the quick release valves, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 17V-632.
| YEAR RANGE | MODEL |
|---|---|
| — | See NHTSA record 17V-632 |
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.
Not affiliated
MyAutoRecalls is not affiliated with John Evans Manufacturing Co. or the National Highway Traffic Safety Administration.