# NHTSA Preliminary Evaluation PE03015
> **ENGINE COOLING FAN BLADE SEPARATION** · Opened 2003-04-15 · Closed 2003-08-15
## Investigation
- **Action number:** PE03015
- **Type:** Preliminary Evaluation
- **Open date:** 2003-04-15
- **Close date:** 2003-08-15
- **Manufacturer:** Volkswagen Group of America, Inc.
- **Affected makes:** VOLKSWAGEN
- **Affected components:** ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
- **Affected model years:** 1998, 1999, 2000
- **Affected (make, year) variants:** 3
## Summary

THE OFFICE OF DEFECTS INVESTIGATION OPENED A PRELIMINARY EVALUATION (PE)03-015 ON APRIL 15, 2003, BASED ON THREE REPORTS ALLEGING THAT FAN BLADES SEPARATED FROM THE ENGINE ELECTRONIC COOLING FAN.ALL THREE VEHICLES WERE WINNEBAGO RIALTA CLASS C MOTOR HOMES BUILT ON A VOLKSWAGEN EUROVAN CHASSIS.DURING THE PE INVESTIGATION, VOLKSWAGEN PROVIDED 125 ADDITIONAL REPORTS OF FAN FAILURES.THE ADDITIONAL REPORTS INCLUDED 107 REPORTS ON RIALTA VEHICLES (ALL USING A SIEMENS MANUFACTURED COOLING FAN) AND 18 REPORTS ON EUROVAN VEHICLES (15 USING SIEMENS FANS AND 3 USING BOSCH FANS).AN ENGINEERING ANALYSIS INVESTIGATION (EA03-013) HAS BEEN OPENED FOR FURTHER STUDY.

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=PE03015)
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