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NHTSA Campaign 06V461000

TRAILER HITCHES:FIFTH WHEEL ASSEMBLY

Issued by PACCAR INCORPORATED · Reported Nov 30, 2006 · 86 vehicles affected

What's wrong

ON CERTAIN TRUCKS, AN RA529 KING PIN RELEASE AIR VALVE WAS MANUFACTURED WITH THE INTERNAL SPOOL INSTALLED BACKWARDS. THIS RESULTS IN THE AIR OPTION OF THE KING PIN RELEASE SYSTEM BEING INOPERABLE. TO CORRECT THIS SITUATION, THE VEHICLE'S AIR LINES WERE REVERSED RATHER THAN REPLACING THE VALVE.

Consequence

WITH THE LINES REVERSED, THE KING PIN CAN BE RELEASED WITHOUT THE DRIVER'S KNOWLEDGE. WHEN THIS OCCURS, THE DRIVER COULD DRIVE AWAY AND THE TRAILER COULD BECOME DISENGAGED, INCREASING THE RISK OF A CRASH.

Remedy

KENWORTH WILL INSPECT THE KING PIN RELEASE SYSTEM AND SUSPECT VALVE. IF ANY VEHICLES HAVE A NONCONFORMING VALVE OR INCORRECT PLUMBING, IT WILL BE REPLACED AND RE-PLUMBED. THE RECALL BEGAN ON NOVEMBER 29, 2006. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440.

Vehicles affected by this recall

Make Model Year Units
KENWORTH T600 2006 86
KENWORTH T800 2006 86
KENWORTH W900 2006 86

Source: NHTSA Campaign 06V461000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.