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Service bulletin BS-1555A

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 id10055536
Published by NHTSA2014-06-09
Manufacturer's numberBS-1555A
Manufacturer's date2011-12-19
NHTSA componentSUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY

NHTSA's summary

NOVABUS: THE REAR AXLE HALF SHAFTS COULD FAIL OR BREAK WHILE IN SERVICE DUE TO INADEQUATE SURFACE TREATMENT AND NEEDS TO BE CHANGED. *PE

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

Suspension

Vehicles listed
NOVA BUS LFS2014

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