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.
The remedy
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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Micro Bird G5 School Bus | 2023, 2024, 2025, 2026 |
| Micro Bird MB II School Bus | 2024 |
Components: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PIPES, HOSES, AND FITTINGS
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Micro Bird G5 School Bus | 2023 | 0 | 12 |
| Micro Bird G5 School Bus | 2024 | 0 | 11 |
| Micro Bird G5 School Bus | 2025 | 1 | 7 |
| Micro Bird G5 School Bus | 2026 | 0 | 5 |
| Micro Bird MB II School Bus | 2024 | 0 | 5 |
Other engine and engine cooling recalls in 2026
17 of the 666 recall campaigns reported to NHTSA in 2026 concerned the engine and engine cooling; Corp. Micro Bird, Inc. filed 48 campaigns in all.
| 26V659000 7 Oct 2026 | Toyota Motor Engineering & Manufacturing |
| 26V573000 3 Sept 2026 | Nova Bus (US) Inc. |
| 26V548000 25 Aug 2026 | Ford Motor Company |
| 26V532000 13 Aug 2026 | Ford Motor Company |
| 26V343000 27 May 2026 | Ford Motor Company |
| 26V320000 20 May 2026 | Toyota Motor Engineering & Manufacturing |
| 26V286000 6 May 2026 | Corp. Micro Bird, Inc. |
| 26V274000 29 Apr 2026 | Storyteller Overland |
NHTSA recalls (public domain) · all recalls of 2026