# NHTSA Preliminary Evaluation PE97016
> **FRONT SEAT BACK COLLAPSE** · Opened 1997-04-07 · Closed 1997-09-30
## Investigation
- **Action number:** PE97016
- **Type:** Preliminary Evaluation
- **Open date:** 1997-04-07
- **Close date:** 1997-09-30
- **Manufacturer:** General Motors, LLC
- **Affected makes:** CHEVROLET; OLDSMOBILE; PONTIAC
- **Affected components:** SEATS
- **Affected model years:** 1990, 1991
- **Affected (make, year) variants:** 6
## Summary

SUBJECT VEHICLES ARE ALLEGED TO EXPERIENCE INADVERTENT FRONT SEAT BACK COLLAPSE DUE TO FRACTURE OF FRONT SEAT RECLINER MOUNTING BOLTS.

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=PE97016)
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