# NHTSA Engineering Analysis EA91044
> **LOSS OF BRAKE EFFECTIVENES** · Opened 1991-10-30 · Closed 1992-10-30
## Investigation
- **Action number:** EA91044
- **Type:** Engineering Analysis
- **Open date:** 1991-10-30
- **Close date:** 1992-10-30
- **Manufacturer:** Ford Motor Company
- **Affected makes:** FORD
- **Affected components:** SERVICE BRAKES, HYDRAULIC
- **Affected model years:** 1988, 1989, 1990, 1991
- **Affected (make, year) variants:** 24
## 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=EA91044)
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