NHTSA campaign 12V214000
Hazard
PACCAR IS RECALLING CERTAIN MODEL YEAR 2013 KENWORTH T680, AND PETERBILT 579 VEHICLES, FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD (FMVSS) NO. 121, "AIR BRAKE SYSTEMS." THESE VEHICLES EXCEED THE BRAKE TIMING TEST REQUIREMENTS OF FMVSS 121 FOR TRAILER CIRCUITS WHEN 15 FOOT COILED TRAILER LINES ARE USED.
Consequence
THE LONGER BRAKE APPLY TIME MAY RESULT IN EXTENDED STOPPING DISTANCES, INCREASING THE RISK OF A CRASH.
Remedy
PACCAR WILL NOTIFY OWNERS AND INSTALL A RELAY VALVE ON THE AFFECTED VEHICLES. ALL THE VEHICLES HAVE BEEN REPAIRED. OWNER MAY CONTACT KENWORTH AT 1-425-828-5440 AND PETERBILT AT 1-940-591-4196.
The text above is quoted verbatim from the NHTSA record. Confirm the affected units and the remedy with the manufacturer or NHTSA. Recall data may be incomplete, delayed, or superseded.