NISSAN DIESEL IS RECALLING 549 MY 2008 UD1800, UD2000, UD2300, UD2600, AND UD3300 MEDIUM DUTY TRUCKS. A FAILURE OF THE FUEL INJECTION PUMP DRIVE COUPLER CAN OCCUR. THE BOTTOM CORNER OF THE NOTCHED DRIVE SURFACE WAS IMPROPERLY MACHINED. WITH INCREASED FUEL PUMP PRESSURE, THE REQUIRED TURNING TORQUE ON THE DRIVE…
CONTINUED OPERATION WITH A CRACKED DRIVE COUPLER COULD RESULT IN THE COUPLER BECOMING BROKEN AND CAUSING THE ENGINE TO STALL AND NOT RESTART, INCREASING THE RISK OF A CRASH.
DEALERS WILL REPLACE THE FUEL INJECTION PUMP DRIVE COUPLER. THE RECALL BEGAN ON JANUARY 19, 2009. OWNERS MAY CONTACT NISSAN DIESEL AT 1-972-756-5500.