# NHTSA Preliminary Evaluation PE05054
> **REAR COIL SPRING FRACTURE** · Opened 2005-09-27 · Closed 2006-01-24
## Investigation
- **Action number:** PE05054
- **Type:** Preliminary Evaluation
- **Open date:** 2005-09-27
- **Close date:** 2006-01-24
- **Manufacturer:** Ford Motor Company
- **Affected makes:** FORD; MERCURY
- **Affected components:** SUSPENSION:REAR:SPRINGS; SUSPENSION:REAR:SPRINGS:COIL SPRINGS
- **Affected model years:** 2000, 2001
- **Affected (make, year) variants:** 8
## Summary

THE OFFICE OF DEFECT INVESTIGATION (ODI) OPENED PRELIMINARY EVALUATION, PE05-054, BASED ON 131 VEHICLE OWNER QUESTIONNAIRES RELATED TO ALLEGED REAR COIL SPRING FRACTURES.SINCE OPENING THE INVESTIGATION THERE HAVE BEEN AN ADDITIONAL SIXTY-THREE (63) COMPLAINTS ALLEGING REAR COIL SPRING FRACTURE.AN ANALYSIS OF THE VEHICLE OWNER QUESTIONNAIRES (VOQS) SUBMITTED TO ODI REVEALS THAT 42% OF THE COMPLAINANTS ALLEGE THAT THE ADJACENT TIRE WAS PUNCTURED AS RESULT OF A REAR COIL SPRING FRACTURE. ADDITIONALLY, AN ANALYSIS OF THE COMPLAINT DATA RECEIVED BY ODI FROM FORD REVEALS THE FOLLOWING: THERE WERE A TOTAL OF 553 UNIQUE VEHICLE COMPLAINTS OF COIL SPRING FRACTURE. 30% OF THE COMPLAINTS ALLEGE THAT THE REAR COIL SPRING FRACTURE RESULTED IN THE ADJACENT TIRE BEING PUNCTURED. AN ENGINEERING ANALYSIS (EA06-002) IS BEING OPENED TO FURTHER EXAMINE THE POTENTIAL SAFETY IMPLICATIONS OF THE REAR COIL SPRING FRACTURES AS RELATED TO TIRE PUNCTURES.

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=PE05054)
---
*AI Analytics · CC0 1.0*