# NHTSA Preliminary Evaluation PE89032
> **AIR BRAKE EMERGENCY VALVE** · Opened 1989-01-11 · Closed 1989-03-22
## Investigation
- **Action number:** PE89032
- **Type:** Preliminary Evaluation
- **Open date:** 1989-01-11
- **Close date:** 1989-03-22
- **Manufacturer:** INTERNATIONAL TRUCK & ENGINE CORPORATION
- **Affected makes:** INTERNATIONAL HARVESTER
- **Affected components:** SERVICE BRAKES, HYDRAULIC
- **Affected model years:** 1988
- **Affected (make, year) variants:** 1
## 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=PE89032)
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