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.
Engine & cooling
Itasca Horizon Engine problems by year
3 complaints filed with NHTSA about the Itasca Horizon's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.
Engine complaints by model year
Engine recalls
Latest Horizon engine complaints
This complaint is about the cummins isl engine failures. A light on our dash pinged and flashed. I called freightliner and was told it was a stop engine light. I was told it was probably a "glitc" and it was okay to drive. However, we took it into a freightliner/cummins repair facility to just check it out. They found that the oil pressure was fine, no problem with the sending unit, or the dash instrument cluster, so they dropped the oil pan. They found that a thrust bushing had fallen off one of the crankshaft...
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bearings and 2 of the main bearings had spun out. Had we not stopped and taken the coach in to be looked at, that engine would have blown apart on the highway and possibly killed someone and definitely would have caused major damage to the coach. These cummins engines have already been recalled once, but the engine serial numbers need to be extended. My engine falls just outside the recall numbers.
Consumer stated while driving, the motorhome kept overhaeting. Consumer talked to a freightliner representative who told them that the radiator was in fact plugged with oil, dust, and dirt behind it. Consumer was informed that the oil breather tube was not long enough enough and the coolan fan would pick up the oil and throw it onto the radiator.*Scc
Body mounts ripped off the frame due to bolts losening while being driven on highway. Please describe details. *Ak
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data