The Office Of Defects Investigation (ODI) opened this investigation based on four reportsalleging failure of an engine cooling fan in the subject vehicles.three of the complainants alleged the fan disintegrated and two of the three alleged the radiator was damaged as a result.the fourth complainant alleged that his vehicle experienced violent shaking and overheating.when the vehicle was inspected, it was noted that pieces of the fan were missing.all four vehicles were class C motor homes built on a Volkswagen Eurovan chassis.two of the vehicles are rialta models and two are vista models.based onadditional information received from Volkswagen ODI is upgrading this investigation toengineering analysis ea 08-002 for further study.
