# NHTSA Preliminary Evaluation PE91102
> **WNDSHLD DFRSTER DUCT SEPAR** · Opened 1991-07-21 · Closed 1991-11-22
## Investigation
- **Action number:** PE91102
- **Type:** Preliminary Evaluation
- **Open date:** 1991-07-21
- **Close date:** 1991-11-22
- **Manufacturer:** PACCAR Incorporated
- **Affected makes:** KENWORTH
- **Affected components:** VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
- **Affected model years:** 1990, 1991
- **Affected (make, year) variants:** 2
## Summary

There is no summary currently available

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=PE91102)
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