# NHTSA Defect Petition DP83007
> **X-BODY LOCKUP OF REAR BRAKES** · Opened 1983-01-18 · Closed 1983-02-07
## Investigation
- **Action number:** DP83007
- **Type:** Defect Petition
- **Open date:** 1983-01-18
- **Close date:** 1983-02-07
- **Manufacturer:** General Motors, LLC
- **Affected makes:** CHEVROLET
- **Affected components:** SERVICE BRAKES, HYDRAULIC
- **Affected model years:** 1979
- **Affected (make, year) variants:** 1
## Summary

X-BODY LOCKUP OF REAR BRAKES

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP83007)
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