# NHTSA Engineering Analysis EA92020
> **BRAKE DISC/HUB SEPARATION** · Opened 1992-06-12 · Closed 1993-08-02
## Investigation
- **Action number:** EA92020
- **Type:** Engineering Analysis
- **Open date:** 1992-06-12
- **Close date:** 1993-08-02
- **Manufacturer:** General Motors, LLC
- **Affected makes:** CHEVROLET; GMC
- **Affected components:** SERVICE BRAKES, HYDRAULIC
- **Affected model years:** 1988, 1989, 1990, 1991, 1992
- **Affected (make, year) variants:** 31
## 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=EA92020)
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