NHTSA investigationEA94030
Investigation EA94030: 1987–1990 Navistar School BUS
- Status
- CLOSED
- Opened
- Aug 19, 1994
- Closed
- Jul 31, 1996
- Model years
- 1987–1990
Subject
Allison transmission fails
Component: Power train
Summary
There is no summary currently available
An NHTSA investigation looks into whether a safety defect exists. Opening one is not a finding. Outcomes can include a recall, closure without action, or further inquiry.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.