NHTSA investigationPE94033
Investigation PE94033: 1987–1990 Navistar School BUS
- Status
- CLOSED
- Opened
- Apr 21, 1994
- Closed
- Aug 19, 1994
- 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 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.