Check your VIN

Newmar Corporation 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.

NHTSA campaign 07V-354 · Reported August 8, 2007 · thousands of vehicles affected

AFFECTED MODELS
Newmar Corporation
VEHICLES AFFECTED
thousands of
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.
COST
Free

The short version

NEWMAR CORPORATION reported a problem with the engine diesel. Here is what owners need to know.

WHAT

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.

WHY IT MATTERS

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.

WHAT TO DO

CUMMINS WILL ALSO INSTALL A NEW VALVE COVER WITH A CRANKCASE PRESSURE SENSOR FREE OF CHARGE (PLEASE SEE 07E033).

Affected vehicles

These model years are included in NHTSA campaign 07V-354.

YEAR RANGEMODEL
—See NHTSA record 07V-354

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with NEWMAR CORPORATION or the National Highway Traffic Safety Administration.