# Service bulletin TSIB 26\-08

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.

- Type: Service bulletin
- NHTSA id: 11036148
- Published by NHTSA: 2026\-08\-12
- Manufacturer's number: TSIB 26\-08
- Manufacturer's date: 2026\-08\-14
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036148-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11036148-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Brakes

## Vehicles listed

- 2014 to 2025 NEW FLYER XCELSIOR

## Other bulletins for the same vehicles and component

- [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.
- [TSIB 22\-07](/bulletins/10219149.md), 2022-09-02, Service bulletin: SERVICE BRAKES, AIR. This Technical Service Information Bulletin \(TSIB\) \- New Flyer has developed several maintenance updates for Xcelsior buses specifically equipped with the optional Powerex electric air compressors. This TSIB introduces field modifications in order to simplify maintenance operations and/or improve compressor longevity
- [SMB179](/bulletins/10159335.md), 2019-05-01, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES, AIR; SERVICE BRAKES, HYDRAULIC. Service Manual Bulletin \- revised troubleshooting charts for MGM E\-Stroke brake monitoring system
- [SMB151](/bulletins/10095882.md), 2017-03-20, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC. SERVICE MANUAL BULLETIN \- FRONT \& REAR DISC BRAKE INSTALLATION.
- [SMB149](/bulletins/10095865.md), 2017-03-20, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC; SUSPENSION:FRONT:WHEEL BEARING. SERVICE MANUAL BULLETIN \- MAN AXLE FRONT \& REAR WHEEL BEARING INSPECTION.
- [SMB\-120](/bulletins/10050460.md), 2013-02-01, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. NEW FLYER: AT TIME OF PUBLICATION, PREVENTIVE MAINTENANCE INFORMATION ON CALIPERS, BRAKE CHAMBERS, AND DISC BRAKE PADS, MAY NOT BE AVAILABLE AT TIME OF PUBLICATION. SERVICE MANUAL BULLETIN IS PROVIDING INFORMATION. MODEL XCELSIOR. NO MODEL YEARS LISTED. \*PE

JSON: [/v1/bulletins/11036148](/v1/bulletins/11036148)

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