# NHTSA Defect Petition DP00003
> **FLEX FAN BREAKAGE** · Opened 2000-08-02 · Closed 2001-10-18
## Investigation
- **Action number:** DP00003
- **Type:** Defect Petition
- **Open date:** 2000-08-02
- **Close date:** 2001-10-18
- **Manufacturer:** General Motors, LLC
- **Affected makes:** GMC
- **Affected components:** ENGINE AND ENGINE COOLING
- **Affected model years:** 1973, 1974, 1975, 1976, 1977, 1978, 1979
- **Affected (make, year) variants:** 7
## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP00003)
---
*AI Analytics · CC0 1.0*