# Service bulletins for the 2025 New Flyer Xcelsior

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

4 bulletins from NHTSA, as of 2026-10-19.

- [TSIB 26\-08](/bulletins/11036148.md), 2026-08-12, Service bulletin: SERVICE BRAKES. This bulletin introduces new improved banjo bolts for buses equipped with a Haldex tandem air dryers. The updated banjo bolts feature enhanced corrosion resistance and are designed to replace the current banjo bolts to help minimize corrosion\-related issues that may affect air dryer performance and reliability.
- [ITS61783](/bulletins/11034102.md), 2026-06-26, Service bulletin: ELECTRICAL SYSTEM. Instructions for uploading a program to move existing J1939 message routing from DPS instrument cluster to PVSG.
- [TSIB 26\-06](/bulletins/11032698.md), 2026-05-14, Service bulletin: ELECTRICAL SYSTEM. Bulletin to follow when replacing LV batteries on buses equipped with certain Vanner battery equalizers.
- [TSIB 25\-03](/bulletins/11018099.md), 2025-05-07, Service bulletin: SERVICE BRAKES. This TSIB identifies the special procedures necessary when the bus is not in regular use and the air compressor is operated at a low duty cycle.

JSON: [/v1/vehicles/2025_new-flyer_xcelsior/bulletins](/v1/vehicles/2025_new-flyer_xcelsior/bulletins)

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