# NHTSA Engineering Analysis EA89026
> **LOSS OF POWER STEERING** · Opened 1989-06-12 · Closed 1990-10-09
## Investigation
- **Action number:** EA89026
- **Type:** Engineering Analysis
- **Open date:** 1989-06-12
- **Close date:** 1990-10-09
- **Manufacturer:** General Motors, LLC
- **Affected makes:** BUICK; CHEVROLET; OLDSMOBILE; PONTIAC
- **Affected components:** STEERING
- **Affected model years:** 1987
- **Affected (make, year) variants:** 4
## Summary

SUMMARY: THE COMPLAINTS DESCRIBE A FAILURE OF THE PRESSURE HOSECONNECTED TO THE POWER STEERING PUMP.USED ONLY ON THE 4 CYL MODELS.THIS PART HAS BEEN REDESIGNED AND EACH GM DIVISION HAS ISSUED ASERVICE BULLETIN.WARRANTY CLAIMS AND PARTS SALES ARE VERY HIGH.===

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=EA89026)
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