# NHTSA Engineering Analysis EA99022
> **UPPER AND LOWER CONTROL ARM BALL JOINT** · Opened 1999-07-30 · Closed 2001-08-28
## Investigation
- **Action number:** EA99022
- **Type:** Engineering Analysis
- **Open date:** 1999-07-30
- **Close date:** 2001-08-28
- **Manufacturer:** General Motors, LLC
- **Affected makes:** CHEVROLET; GMC; OLDSMOBILE
- **Affected components:** SUSPENSION
- **Affected model years:** 1996
- **Affected (make, year) variants:** 6
## Summary

There is no summary currently available

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=EA99022)
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