2023–2026 Micro Bird G5 School Bus, 2024 Micro Bird MB II School Bus Recall: Drive belt pulley may contact and damage the the oil lines
NHTSA campaign 26V287000 · Engine and Engine Cooling · filed May 6, 2026 · verified Jul 30, 2026
The defect
Corp. Micro Bird, Inc. (Micro Bird) is recalling certain 2023-2026 G5 and 2024 MB II school buses built on a GM chassis and equipped with a second air conditioning compressor kit. The drive belt pulley may contact and damage the the oil lines.
The risk
A damaged oil like may leak, increasing the risk of a fire in the presence of an ignition source.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Dealers will secure the oil lines, free of charge. Owner notification letters are expected to be mailed June 29, 2026. Owners can contact Micro Bird Customer Service at 819-477-2012. Micro Bird's number for this recall is 26-121-OUS.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Micro Bird | G5 School Bus | 2023, 2024, 2025, 2026 |
| Micro Bird | MB II School Bus | 2024 |
Related recalls
More Micro Bird G5 School Bus recalls
- 2006–2026 Micro Bird G5 School Bus and 2 other models — An installation error may prevent the wheelchair tie-downs…
- 2021–2026 Micro Bird G5 School Bus and 2 other models — Power cable providing electricity to the air conditioning…
- 2026 Micro Bird G5 School Bus — Retractors may not lock, preventing the wheelchair from…
- 2023–2026 Micro Bird G5 School Bus and 1 other model — Retractors may not lock, preventing the wheelchair from…
- 2025 Micro Bird G5 School Bus and 1 other model — Rod-eye rings attaching the front and rear door panels to…
Other campaigns involving Micro Bird vehicles
- 2023–2025 Micro Bird G5 Transit Bus — Drive belt pulley may contact and damage the the oil lines
- 2026 Micro Bird G5 Transit Bus — An installation error may prevent the wheelchair tie-downs…
- 2008–2026 Micro Bird G5 Transit Bus and 2 other models — An installation error may prevent the wheelchair tie-downs…
All Micro Bird G5 School Bus recalls → · All Micro Bird recalls →
Source: NHTSA recall database, campaign 26V287000 (manufacturer number 26-121-OUS). Data last verified Jul 30, 2026.