Paccar Incorporated vehicles may be missing a second R12 relay valve, causing increased brake activation timing.
The short version
PACCAR Incorporated reported a problem with the foundation components differential proportional valve. Here is what owners need to know.
The vehicles may be missing a second R12 relay valve, causing increased brake activation timing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."
Increased brake activation timing may lengthen vehicle stopping distance, increasing the risk of a crash.
PACCAR will notify owners, and Kenworth dealers will install a second R12 relay valve, free of charge.
Affected vehicles
These model years are included in NHTSA campaign 20V-086.
| YEAR RANGE | MODEL |
|---|---|
| — | See NHTSA record 20V-086 |
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 PACCAR Incorporated or the National Highway Traffic Safety Administration.