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Service bulletin SMB-141B

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10076619
Published by NHTSA2016-07-14
Manufacturer's numberSMB-141B
Manufacturer's date2016-01-26
NHTSA componentSTEERING; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

PREVENTIVE MAINTENANCE This bulletin provides revised OEM information for lubricating the front steering knuckle bearings on MAN VOK-07-F front axles. Revision B provides clarification and more detail on the lubrication procedure. This information supersedes all prior information on this subject already provided in your New Flyer Service Manuals. Make this Service Bulletin available to service personnel to inform them of changed information.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Equipment and accessories, Steering

Vehicles listed
NEW FLYER INVERO2006
NEW FLYER XCELSIOR2017

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
SMB141_B2021-05-24. Service bulletin. Steering Knuckle Lubrication Model Vok-07-F
TSIB 21-032021-05-06. Service bulletin. Technical Service Information Bulletin revising the lubrication schedule for the scroll bearing on specifically equipped vehicles with the Powerex direct drive electric air compressor.
SMB1782018-02-12. Service bulletin. This Service Manual Bulletin provides new OEM (Kongsberg) PM inspection requirements and new installation procedure for the adjustable floor pedal moveable arm on specifically equipped vehicles.
PMB0492018-02-12. Service bulletin. This Parts Manual Bulletin provides new part number information for the moveable arm kit for the Kongsberg brake and accelerator assembly on specifically equipped vehicles.
TSIB-17-012017-09-14. Service bulletin. This Technical Service Information Bulletin Describes the Recommended Maintenance for Flexible Coolant Hoses Located Above the Electronic Equipment Enclosure on Xcelsior Model Vehicles Equipped with Rooftop HVAC Sytems.
SMB1222017-08-04. Service bulletin. Service Manual Bulletin - Rear Axle Housing Oil Filter.
PMB-0402017-08-04. Service bulletin. Parts Manual Bulletin - Rear Axle Housing Oil Filter.
SMB121_B2017-08-04. Service bulletin. Service Manual Bulletin - Maintenance - Front & Rear Axle Fastener Replacements
SMB1382017-08-04. Service bulletin. Service Manual Bulletin - Steering Stop Adjustment
PMB-0392017-08-04. Service bulletin. Parts Manual Bulletin - Air Cleaner Assembly