# NHTSA Engineering Analysis EA91055
> **W-CAR HINGE PIN FAILURE** · Opened 1991-12-05 · Closed 1992-08-17
## Investigation
- **Action number:** EA91055
- **Type:** Engineering Analysis
- **Open date:** 1991-12-05
- **Close date:** 1992-08-17
- **Manufacturer:** General Motors, LLC
- **Affected makes:** BUICK; OLDSMOBILE; PONTIAC
- **Affected components:** STRUCTURE
- **Affected model years:** 1988, 1989
- **Affected (make, year) variants:** 6
## 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=EA91055)
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