# NHTSA Preliminary Evaluation PE89099
> **HEATER CORE FAILURE** · Opened 1989-03-14 · Closed 1989-07-05
## Investigation
- **Action number:** PE89099
- **Type:** Preliminary Evaluation
- **Open date:** 1989-03-14
- **Close date:** 1989-07-05
- **Manufacturer:** Hyundai Motor America
- **Affected makes:** HYUNDAI
- **Affected components:** VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
- **Affected model years:** 1986
- **Affected (make, year) variants:** 1
## Summary

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## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=PE89099)
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