CERTAIN TRUCKS FAIL TO COMPLY WITH THE BRAKE TIMING REGULATORY REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, “AIR BRAKE SYSTEMS.” THE BRAKE VALVE WAS MOVED TO THE OPPOSITE RAIL, INCREASING THE LENGTH OF THE AIR LINE, WHICH IN TURN INCREASED THE WHEELBASE REQUIRING A DUAL RELAY VALVE SYSTEM. THE VEHICLES WERE MANUFACTURED WITH A SINGLE VALVE SYSTEM.
PACCAR Incorporated – BRAKE TIMING/FMVSS 121
| Report Received Date | 03/09/2007 |
| NHTSA ID | 07V090000 |
| Consequence Summary | IF STOPPING DISTANCE WAS LIMITED, A VEHICLE CRASH COULD RESULT. |
| Corrective Action | DEALERS WILL CONVERT THE SINGLE RELAY VALVE TO A DUAL RELAY VALVE SYSTEM FREE OF CHARGE. THE RECALL BEGAN ON MAY 21, 2007. OWNERS MAY CONTACT KENWORTH AT 425-828-5440. |
| Recall Code | 07KW2 |
| Potentially Affected | 65 |
| Fire Risk When Parked | No |
| Do Not Drive | No |
| Recall Link | Go to Recall (https://www.nhtsa.gov/recalls?nhtsaId=07V090000) |
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