# NHTSA Defect Petition DP90008
> **INADEQUATE BRAKES** · Opened 1990-04-19 · Closed 1990-08-29
## Investigation
- **Action number:** DP90008
- **Type:** Defect Petition
- **Open date:** 1990-04-19
- **Close date:** 1990-08-29
- **Manufacturer:** General Motors, LLC
- **Affected makes:** CHEVROLET
- **Affected components:** SERVICE BRAKES, HYDRAULIC
- **Affected model years:** 1987, 1988
- **Affected (make, year) variants:** 4
## Summary

INADEQUATE BRAKES

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP90008)
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