2NPNLD9X72M580799

ON CERTAIN TRUCKS EQUIPPED WITH CATERPILLAR 3126E HYDRAULICALLY CONTROLLED ELECTRONICALLY ACTUATED UNIT INJECTED DIESEL ENGINES WITH HIGH EFFICIENCY PUMPS (HEP8). THE PUMP COMPONENTS MAY EXPERIENCE A HIGH PRESSURE SEAL FAILURE WHICH CAN RESULT IN A SHORT PERIOD OF ROUGH RUNNING AND SUBSEQUENT ENGINE STALL DUE TO A LOSS OF INJECTION ACTUATION PRESSURE.

ONCE ENGINE STALL OCCURS, THE ENGINE CANNOT BE RESTARTED, INCREASING THE RISK OF A CRASH.

CATERPILLAR IS CONDUCTING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN. DEALERS WILL INSPECT THE PUMP SERIAL NUMBERS AND REPLACE THE PUMP IF NECESSARY. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CATERPILLAR AT 1-800-447-4986, OR KENWORTH AT 425-828-5440, OR PETERBILT AT 940-591-4201.

ON CERTAIN VEHICLES EQUIPPED WITH BENDIX TC-7 TRAILER CONTROL HAND-OPERATED VALVE WITH PUSH-TO-CONNECT FITTINGS. THE DELIVERY PORT IN THE VALVE BODY MAY BE PARTIALLY BLOCKED DUE TO A PROBLEM DURING THE MOLDING PROCESS.

SUCH BLOCKAGE MAY SLOW THE DELIVERY AND EXHAUST OF AIR TO AND FROM THE TRAILER BRAKES WHEN THEY ARE OPERATED BY THIS HAND-OPERATED TRAILER CONTROL VALVE.

PACCAR WILL NOTIFY ITS CUSTOMERS AND INSPECT AND REPLACE, IF NECESSARY, THE HAND VALVE FREE OF CHARGE. OWNER NOTIFICATION BEGAN OCTOBER 18, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT PETERBILT AT 940-591-4201.