NHTSA Campaign 07V312000

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Issued by FREIGHTLINER LLC · Reported Jul 20, 2007 · 642 vehicles affected

What's wrong

ON CERTAIN MOTOR HOMES BUILT WITH CUMMINS ISL CM850 DIESEL ENGINES, THE CONNECTING ROD CONTAINS A MACHINING DEFECT IN THE WRIST PIN BUSHING OF THE ROD THAT COULD CAUSE A SEIZURE OF THE PISTON PIN.

Consequence

IF ALLOWED TO PROGRESS, THIS CAN LEAD TO ENGINE FAILURE WITH THE POSSIBILITY OF THE ROD RUPTURING THE LOCK CAVITY, OIL AND DEBRIS ON THE ROADWAY AND VEHICLE CRASH.

Remedy

FREIGHTLINER IS WORKING WITH CUMMINS TO RECALIBRATE THE ENGINE CONTROL MODULE AND ENHANCE THE ENGINE PROTECTION SYSTEM ENABLING IT TO PROVIDE EARLY DETECTION OF THE FAILURE MODE AND AVOID MORE SERIOUS ENGINE DAMAGE AND RESULTANT SAFETY HAZARD. CUMMINS WILL ALSO INSTALL A NEW VALVE COVER WITH A CRANKCASE PRESSURE SENSOR FREE OF CHARGE (PLEASE SEE 07E033). OWNERS MAY CONTACT CUMMINS AT 800-343-7357 OR FREIGHTLINER AT 1-800-547-0712.

Vehicles affected by this recall

Make Model Year Units
FCCC XC-F 2006 642
FCCC XC-F 2007 642
FREIGHTLINER XC-R 2006 642
FREIGHTLINER XC-R 2007 642

Source: NHTSA Campaign 07V312000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.