NHTSA Campaign 07V354000

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Issued by NEWMAR CORPORATION · Reported Aug 8, 2007 · 308 vehicles affected

What's wrong

ON CERTAIN MOTOR HOMES BUILT ON SPARTAN MM CHASSIS 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, SPILLING OIL AND DEBRIS ONTO THE ROADWAY INCREASING THE RISK OF A VEHICLE CRASH.

Remedy

NEWMAR IS WORKING WITH SPARTAN AND 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 1-800-343-7357 , SPARTAN AT 517-543-6400, OR NEWMAR AT 1-574-773-7791.

Vehicles affected by this recall

Make Model Year Units
NEWMAR ALL STAR ME 2006 308
NEWMAR ALL STAR ME 2007 308
NEWMAR DUTCH STAR 2006 308
NEWMAR DUTCH STAR 2007 308
NEWMAR KOUNTRY STAR 2006 308
NEWMAR KOUNTRY STAR 2007 308
NEWMAR VENTANA 2006 308
NEWMAR VENTANA 2007 308

Source: NHTSA Campaign 07V354000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.