# NHTSA Defect Petition DP92003
> **DEFECTIVE HEATER CORES** · Opened 1992-03-03 · Closed 1992-03-23
## Investigation
- **Action number:** DP92003
- **Type:** Defect Petition
- **Open date:** 1992-03-03
- **Close date:** 1992-03-23
- **Manufacturer:** Volkswagen Group of America, Inc.
- **Affected makes:** VOLKSWAGEN
- **Affected components:** VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
- **Affected model years:** 1987
- **Affected (make, year) variants:** 1
## Summary

DEFECTIVE HEATER CORES

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP92003)
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