# NHTSA Engineering Analysis EA01011
> **U-BOLT FAILURES ON DRIVE -AXLE ASSEMBLIE** · Opened 2001-04-18 · Closed 2002-07-30
## Investigation
- **Action number:** EA01011
- **Type:** Engineering Analysis
- **Open date:** 2001-04-18
- **Close date:** 2002-07-30
- **Manufacturer:** Volvo Trucks North America
- **Affected makes:** VOLVO
- **Affected components:** SUSPENSION
- **Affected model years:** 1996, 1997, 1998, 1999, 2000
- **Affected (make, year) variants:** 5
## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=EA01011)
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