Date: 2007-07-20. Systems: ENGINE AND ENGINE COOLING.
Defect: 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. (excerpt)
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. (excerpt)
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 800-343-735 (excerpt)
Do not drive: No. Park outside: No.
Investigations
1 investigations; 0 open.
EQ08008
Opened: 2008-05-27. Closed: 2008-08-25.
FREIGHTLINER AAC AXLE STEERING BOLTS
ON 7/3/07 FREIGHTLINER LLC FILED A 573 DEFECT REPORT STATING CERTAIN FREIGHTLINER PRODUCED CHASSIS CONTAINED AAC AXLE STEERING ARM BOLTS CONTAIN A LATCH LEVER PIVOT BOLT ASSEMBLY THAT MAY HAVE BEEN OVER-TIGHTENED.OVER-TIGHTENED STEERING ARM BOLTS MAY FATIGUE AND FRACTURE. SHOULD THESE BOLTS BREAK APART, STEERING LOSS IS POSSIBLE LEADING TO LOSS OF VEHICLE CONTROL AND A CRASH.RMD MAILED INFORMATION
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NHTSA's complaints API and bulk file list no complaint for this make, model and model year in this data build.