# NHTSA Defect Petition DP88003
> **POOR BRAKING ON PANIC STOP** · Opened 1987-10-23 · Closed 1988-02-20
## Investigation
- **Action number:** DP88003
- **Type:** Defect Petition
- **Open date:** 1987-10-23
- **Close date:** 1988-02-20
- **Manufacturer:** General Motors, LLC
- **Affected makes:** CHEVROLET
- **Affected components:** SERVICE BRAKES, HYDRAULIC
- **Affected model years:** 1984, 1985, 1986
- **Affected (make, year) variants:** 3
## Summary

POOR BRAKING ON PANIC STOP

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP88003)
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