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Service bulletin BS-1933E

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 id10055569
Published by NHTSA2014-06-14
Manufacturer's numberBS-1933E
Manufacturer's date2012-12-11
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

NOVABUS: ON SOME BUSES, A COOLANT LEAK CAN DEVELOP DUE TO CERTAIN CLAMPS BECOMING LOOSE. *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

Engine, Cooling system

Vehicles listed
NOVABUS BUS

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