# NHTSA Engineering Analysis EA91049
> **JACK FAILURE** · Opened 1991-11-26 · Closed 1992-10-28
## Investigation
- **Action number:** EA91049
- **Type:** Engineering Analysis
- **Open date:** 1991-11-26
- **Close date:** 1992-10-28
- **Manufacturer:** General Motors, LLC
- **Affected makes:** BUICK; CHEVROLET; OLDSMOBILE; PONTIAC; SATURN
- **Affected components:** EQUIPMENT
- **Affected model years:** 1990, 1991
- **Affected (make, year) variants:** 10
## 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=EA91049)
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