# NHTSA Defect Petition DP85002
> **CRANKSHAFT PULLEY BOLT BREAKS** · Opened 1984-10-10 · Closed 1985-03-26
## Investigation
- **Action number:** DP85002
- **Type:** Defect Petition
- **Open date:** 1984-10-10
- **Close date:** 1985-03-26
- **Manufacturer:** General Motors, LLC
- **Affected makes:** CHEVROLET
- **Affected components:** ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
- **Affected model years:** 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984
- **Affected (make, year) variants:** 9
## Summary

CRANKSHAFT PULLEY BOLT BREAKS

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP85002)
---
*AI Analytics · CC0 1.0*