
Monaco is recalling 747 models. The years included are 2006-2007 Camelot, Diplomat, Dynasty, Holiday Rambler Endeavor, Specter, Imperial; model year 2006 Monaco Windsor; model year 2007 Beaver Contessa motorhomes built with Cummins ISL CM850 diesel engines.
Freightliner is recalling 642 model year 2007 XC-R and XC-F motorhomes built with Cummins ISL CM850 diesel engines.
Western Recreational is recalling 58 model year 2006-2007 Alpine and Apex motor coaches built with Cummins ISL CM850 diesel engines.
All of the above models may have connecting-rod machining defects in the wrist pin bushing of the rod that could cause a seizure of the piston pin. 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 crash. 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.
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